| Substance | Relationship Strength | Studies | Trials | Classes | Roles |
|---|
2-keto-4-methylvalerate
alpha-ketoisocaproic acid: RN given refers to parent cpd. 4-methyl-2-oxopentanoate : A 2-oxo monocarboxylic acid anion that is the conjugate base of 4-methyl-2-oxopentanoic acid.. 4-methyl-2-oxopentanoic acid : A 2-oxo monocarboxylic acid that is pentanoic acid (valeric acid) substituted with a keto group at C-2 and a methyl group at C-4. A metabolite that has been found to accumulate in maple syrup urine disease. | 1.98 | 1 | 0 | 2-oxo monocarboxylic acid;
branched-chain keto acid | algal metabolite;
human metabolite |
3-phenylpropionic acid
3-phenylpropionic acid: RN given refers to parent cpd. 3-phenylpropionic acid : A monocarboxylic acid that is propionic acid substituted at position 3 by a phenyl group. | 2.41 | 2 | 0 | benzenes;
monocarboxylic acid | antifungal agent;
human metabolite;
plant metabolite |
4-hydroxybenzaldehyde
[no description available] | 2.02 | 1 | 0 | hydroxybenzaldehyde | EC 1.14.17.1 (dopamine beta-monooxygenase) inhibitor;
mouse metabolite;
plant metabolite |
acetic acid
Acetic Acid: Product of the oxidation of ethanol and of the destructive distillation of wood. It is used locally, occasionally internally, as a counterirritant and also as a reagent. (Stedman, 26th ed). acetic acid : A simple monocarboxylic acid containing two carbons. | 2.8 | 3 | 0 | monocarboxylic acid | antimicrobial food preservative;
Daphnia magna metabolite;
food acidity regulator;
protic solvent |
acetone
methyl ketone : A ketone of formula RC(=O)CH3 (R =/= H). | 2.41 | 1 | 0 | ketone body;
methyl ketone;
propanones;
volatile organic compound | EC 3.5.1.4 (amidase) inhibitor;
human metabolite;
polar aprotic solvent |
allantoin
[no description available] | 4.45 | 1 | 1 | imidazolidine-2,4-dione;
ureas | Escherichia coli metabolite;
human metabolite;
Saccharomyces cerevisiae metabolite;
vulnerary |
butyric acid
Butyric Acid: A four carbon acid, CH3CH2CH2COOH, with an unpleasant odor that occurs in butter and animal fat as the glycerol ester.. butyrate : A short-chain fatty acid anion that is the conjugate base of butyric acid, obtained by deprotonation of the carboxy group.. butyric acid : A straight-chain saturated fatty acid that is butane in which one of the terminal methyl groups has been oxidised to a carboxy group. | 2.31 | 1 | 0 | fatty acid 4:0;
straight-chain saturated fatty acid | human urinary metabolite;
Mycoplasma genitalium metabolite |
4-hydroxymandelic acid
4-hydroxymandelic acid: RN given refers to cpd without isomeric designation. 4-hydroxymandelic acid : A 2-hydroxy carboxylic acid that is mandelic acid bearing a phenolic hydroxy substituent at position 4. | 1.98 | 1 | 0 | 2-hydroxy carboxylic acid;
phenols | metabolite |
gallic acid
gallate : A trihydroxybenzoate that is the conjugate base of gallic acid. | 2.17 | 1 | 0 | trihydroxybenzoic acid | antineoplastic agent;
antioxidant;
apoptosis inducer;
astringent;
cyclooxygenase 2 inhibitor;
EC 1.13.11.33 (arachidonate 15-lipoxygenase) inhibitor;
geroprotector;
human xenobiotic metabolite;
plant metabolite |
3-hydroxybutyric acid
3-Hydroxybutyric Acid: BUTYRIC ACID substituted in the beta or 3 position. It is one of the ketone bodies produced in the liver.. 3-hydroxybutyric acid : A straight-chain 3-hydroxy monocarboxylic acid comprising a butyric acid core with a single hydroxy substituent in the 3- position; a ketone body whose levels are raised during ketosis, used as an energy source by the brain during fasting in humans. Also used to synthesise biodegradable plastics. | 2.47 | 2 | 0 | (omega-1)-hydroxy fatty acid;
3-hydroxy monocarboxylic acid;
hydroxybutyric acid | human metabolite |
hippuric acid
hippuric acid: RN given refers to parent cpd; structure in Merck Index, 9th ed, #4591. N-benzoylglycine : An N-acylglycine in which the acyl group is specified as benzoyl. | 4.94 | 2 | 1 | N-acylglycine | human blood serum metabolite;
uremic toxin |
malic acid
malic acid : A 2-hydroxydicarboxylic acid that is succinic acid in which one of the hydrogens attached to a carbon is replaced by a hydroxy group.. 2-hydroxydicarboxylic acid : Any dicarboxylic acid carrying a hydroxy group on the carbon atom at position alpha to the carboxy group. | 2.78 | 3 | 0 | 2-hydroxydicarboxylic acid;
C4-dicarboxylic acid | food acidity regulator;
fundamental metabolite |
3,4-dihydroxyphenylacetic acid
3,4-Dihydroxyphenylacetic Acid: A deaminated metabolite of LEVODOPA.. (3,4-dihydroxyphenyl)acetic acid : A dihydroxyphenylacetic acid having the two hydroxy substituents located at the 3- and 4-positions. It is a metabolite of dopamine.. dihydroxyphenylacetic acid : A dihydroxy monocarboxylic acid consisting of phenylacetic acid having two phenolic hydroxy substituents. | 3.56 | 1 | 1 | catechols;
dihydroxyphenylacetic acid | human metabolite |
lactic acid
Lactic Acid: A normal intermediate in the fermentation (oxidation, metabolism) of sugar. The concentrated form is used internally to prevent gastrointestinal fermentation. (From Stedman, 26th ed). 2-hydroxypropanoic acid : A 2-hydroxy monocarboxylic acid that is propanoic acid in which one of the alpha-hydrogens is replaced by a hydroxy group. | 9.23 | 16 | 0 | 2-hydroxy monocarboxylic acid | algal metabolite;
Daphnia magna metabolite |
glycerol
Moon: The natural satellite of the planet Earth. It includes the lunar cycles or phases, the lunar month, lunar landscapes, geography, and soil. | 2.11 | 1 | 0 | alditol;
triol | algal metabolite;
detergent;
Escherichia coli metabolite;
geroprotector;
human metabolite;
mouse metabolite;
osmolyte;
Saccharomyces cerevisiae metabolite;
solvent |
hydrogen
Hydrogen: The first chemical element in the periodic table with atomic symbol H, and atomic number 1. Protium (atomic weight 1) is by far the most common hydrogen isotope. Hydrogen also exists as the stable isotope DEUTERIUM (atomic weight 2) and the radioactive isotope TRITIUM (atomic weight 3). Hydrogen forms into a diatomic molecule at room temperature and appears as a highly flammable colorless and odorless gas.. dihydrogen : An elemental molecule consisting of two hydrogens joined by a single bond. | 2 | 1 | 0 | elemental hydrogen;
elemental molecule;
gas molecular entity | antioxidant;
electron donor;
food packaging gas;
fuel;
human metabolite |
dihydroxyphenylalanine
Dihydroxyphenylalanine: A beta-hydroxylated derivative of phenylalanine. The D-form of dihydroxyphenylalanine has less physiologic activity than the L-form and is commonly used experimentally to determine whether the pharmacological effects of LEVODOPA are stereospecific.. dopa : A hydroxyphenylalanine carrying hydroxy substituents at positions 3 and 4 of the benzene ring. | 2.05 | 1 | 0 | hydroxyphenylalanine;
non-proteinogenic alpha-amino acid;
tyrosine derivative | human metabolite |
inositol
Inositol: An isomer of glucose that has traditionally been considered to be a B vitamin although it has an uncertain status as a vitamin and a deficiency syndrome has not been identified in man. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1379) Inositol phospholipids are important in signal transduction.. inositol : Any cyclohexane-1,2,3,4,5,6-hexol.. 1D-chiro-inositol : Belonging to the inositol family of compounds, D-chiro-inositol (DCI) is an isomer of glucose. It is an important secondary messenger in insulin signal transduction.. muco-inositol : An inositol that is cyclohexane-1,2,3,4,5,6-hexol having a (1R,2R,3r,4R,5S,6r)-configuration. | 4.45 | 1 | 1 | cyclitol;
hexol | |
oxalic acid
Oxalic Acid: A strong dicarboxylic acid occurring in many plants and vegetables. It is produced in the body by metabolism of glyoxylic acid or ascorbic acid. It is not metabolized but excreted in the urine. It is used as an analytical reagent and general reducing agent.. oxalic acid : An alpha,omega-dicarboxylic acid that is ethane substituted by carboxyl groups at positions 1 and 2. | 2.21 | 1 | 0 | alpha,omega-dicarboxylic acid | algal metabolite;
human metabolite;
plant metabolite |
phenylpyruvic acid
phenylpyruvic acid: RN given refers to parent cpd. phenylpyruvate : A 2-oxo monocarboxylic acid anion resulting from deprotonation of the carboxy group of either keto- or enol-phenylpyruvic acid.. keto-phenylpyruvic acid : A 2-oxo monocarboxylic acid that is 3-phenylpropanoic acid substituted by an oxo group at position 2. It is an intermediate metabolite in the phenylalanine pathway. | 4.26 | 18 | 0 | 2-oxo monocarboxylic acid | chromogenic compound;
EC 6.4.1.1 (pyruvate carboxylase) inhibitor;
fundamental metabolite |
phenylacetic acid
phenylacetic acid : A monocarboxylic acid that is toluene in which one of the hydrogens of the methyl group has been replaced by a carboxy group. | 3.07 | 5 | 0 | benzenes;
monocarboxylic acid;
phenylacetic acids | allergen;
Aspergillus metabolite;
auxin;
EC 6.4.1.1 (pyruvate carboxylase) inhibitor;
Escherichia coli metabolite;
human metabolite;
plant growth retardant;
plant metabolite;
Saccharomyces cerevisiae metabolite;
toxin |
phenethylamine
phenethylamine: RN given refers to parent cpd; structure in Merck Index, 9th ed, #7016. 2-phenylethylamine : A phenylethylamine having the phenyl substituent at the 2-position. | 1.98 | 1 | 0 | alkaloid;
aralkylamine;
phenylethylamine | Escherichia coli metabolite;
human metabolite;
mouse metabolite |
propionic acid
propionic acid : A short-chain saturated fatty acid comprising ethane attached to the carbon of a carboxy group. | 2.38 | 2 | 0 | saturated fatty acid;
short-chain fatty acid | antifungal drug |
pteridines
[no description available] | 2.17 | 1 | 0 | azaarene;
mancude organic heterobicyclic parent;
ortho-fused heteroarene;
pteridines | |
taurine
[no description available] | 2.06 | 1 | 0 | amino sulfonic acid;
zwitterion | antioxidant;
Escherichia coli metabolite;
glycine receptor agonist;
human metabolite;
mouse metabolite;
nutrient;
radical scavenger;
Saccharomyces cerevisiae metabolite |
mandelic acid
SAMMA: mandelic acid condensation polymer | 2.68 | 3 | 0 | 2-hydroxy monocarboxylic acid;
benzenes | antibacterial agent;
human xenobiotic metabolite |
atrolactic acid
atrolactic acid: see also 3-isomer; RN given refers to parent cpd without isomeric designation; structure | 1.98 | 1 | 0 | 2-hydroxy monocarboxylic acid | |
1-anilino-8-naphthalenesulfonate
1-anilino-8-naphthalenesulfonate: RN given refers to parent cpd. 8-anilinonaphthalene-1-sulfonic acid : A naphthalenesulfonic acid that is naphthalene-1-sulfonic acid substituted by a phenylamino group at position 8. | 2.07 | 1 | 0 | aminonaphthalene;
naphthalenesulfonic acid | fluorescent probe |
meglutol
Meglutol: An antilipemic agent which lowers cholesterol, triglycerides, serum beta-lipoproteins and phospholipids. It acts by interfering with the enzymatic steps involved in the conversion of acetate to hydroxymethylglutaryl coenzyme A as well as inhibiting the activity of HYDROXYMETHYLGLUTARYL COA REDUCTASES which is the rate limiting enzyme in the biosynthesis of cholesterol.. 3-hydroxy-3-methylglutaric acid : A dicarboxylic acid that is glutaric acid in which one of the two hydrogens at position 3 is substituted by a hydroxy group, while the other is substituted by a methyl group. It has been found to accumulate in urine of patients suffering from HMG-CoA lyase (3-hydroxy-3-methylglutaryl-CoA lyase, EC 4.1.3.4) deficiency. It occurs as a plant metabolite in Crotalaria dura. | 2.41 | 1 | 0 | 3-hydroxy carboxylic acid;
dicarboxylic acid;
tertiary alcohol | anticholesteremic drug;
antimetabolite;
EC 1.1.1.34/EC 1.1.1.88 (hydroxymethylglutaryl-CoA reductase) inhibitor;
human metabolite;
plant metabolite |
homovanillic acid
Homovanillic Acid: A 3-O-methyl ETHER of (3,4-dihydroxyphenyl)acetic acid.. homovanillate : A hydroxy monocarboxylic acid anion which is obtained by deprotonation of the carboxy group of homovanillic acid.. homovanillic acid : A monocarboxylic acid that is the 3-O-methyl ether of (3,4-dihydroxyphenyl)acetic acid. It is a catecholamine metabolite. | 3.56 | 1 | 1 | guaiacols;
monocarboxylic acid | human metabolite;
mouse metabolite |
aspirin
Aspirin: The prototypical analgesic used in the treatment of mild to moderate pain. It has anti-inflammatory and antipyretic properties and acts as an inhibitor of cyclooxygenase which results in the inhibition of the biosynthesis of prostaglandins. Aspirin also inhibits platelet aggregation and is used in the prevention of arterial and venous thrombosis. (From Martindale, The Extra Pharmacopoeia, 30th ed, p5). acetylsalicylate : A benzoate that is the conjugate base of acetylsalicylic acid, arising from deprotonation of the carboxy group.. acetylsalicylic acid : A member of the class of benzoic acids that is salicylic acid in which the hydrogen that is attached to the phenolic hydroxy group has been replaced by an acetoxy group. A non-steroidal anti-inflammatory drug with cyclooxygenase inhibitor activity. | 2.15 | 1 | 0 | benzoic acids;
phenyl acetates;
salicylates | anticoagulant;
antipyretic;
cyclooxygenase 1 inhibitor;
cyclooxygenase 2 inhibitor;
drug allergen;
EC 1.1.1.188 (prostaglandin-F synthase) inhibitor;
geroprotector;
non-narcotic analgesic;
non-steroidal anti-inflammatory drug;
plant activator;
platelet aggregation inhibitor;
prostaglandin antagonist;
teratogenic agent |
celecoxib
[no description available] | 2.15 | 1 | 0 | organofluorine compound;
pyrazoles;
sulfonamide;
toluenes | cyclooxygenase 2 inhibitor;
geroprotector;
non-narcotic analgesic;
non-steroidal anti-inflammatory drug |
guazatine
iminoctadine : A member of the class of guanidines that is dioctylamine in which a hydrogen from each of the terminal methyl groups is replaced by a guanidino group. Once used as a fungicidal seed dressing, it is no longer approved for use in the European Union. | 2.05 | 1 | 0 | aliphatic nitrogen antifungal agent;
guanidines;
secondary amino compound | antifungal agrochemical |
ibuprofen
Midol: combination of cinnamedrine, phenacetin, aspirin & caffeine | 2.15 | 1 | 0 | monocarboxylic acid | antipyretic;
cyclooxygenase 1 inhibitor;
cyclooxygenase 2 inhibitor;
drug allergen;
environmental contaminant;
geroprotector;
non-narcotic analgesic;
non-steroidal anti-inflammatory drug;
radical scavenger;
xenobiotic |
mexiletine
Mexiletine: Antiarrhythmic agent pharmacologically similar to LIDOCAINE. It may have some anticonvulsant properties.. mexiletine : An aromatic ether which is 2,6-dimethylphenyl ether of 2-aminopropan-1-ol. | 7.04 | 1 | 0 | aromatic ether;
primary amino compound | anti-arrhythmia drug |
fenclonine
Fenclonine: A selective and irreversible inhibitor of tryptophan hydroxylase, a rate-limiting enzyme in the biosynthesis of serotonin (5-HYDROXYTRYPTAMINE). Fenclonine acts pharmacologically to deplete endogenous levels of serotonin. | 1.96 | 1 | 0 | phenylalanine derivative | |
oxophenylarsine
oxophenylarsine: inhibits protein-tyrosine-phosphatase. phenylarsine oxide : An arsine oxide derived from phenylarsine. | 2.02 | 1 | 0 | arsine oxides | antineoplastic agent;
apoptosis inducer;
EC 3.1.3.48 (protein-tyrosine-phosphatase) inhibitor |
trigonelline
trigonelline: in hydra among other organisms; RN given refers to hydroxide inner salt; structure. N-methylnicotinic acid : A pyridinium ion consisting of nicotinic acid having a methyl substituent on the pyridine nitrogen.. N-methylnicotinate : An iminium betaine that is the conjugate base of N-methylnicotinic acid, arising from deprotonation of the carboxy group. | 4.45 | 1 | 1 | alkaloid;
iminium betaine | food component;
human urinary metabolite;
plant metabolite |
troglitazone
Troglitazone: A chroman and thiazolidinedione derivative that acts as a PEROXISOME PROLIFERATOR-ACTIVATED RECEPTORS (PPAR) agonist. It was formerly used in the treatment of TYPE 2 DIABETES MELLITUS, but has been withdrawn due to hepatotoxicity. | 2.11 | 1 | 0 | chromanes;
thiazolidinone | anticoagulant;
anticonvulsant;
antineoplastic agent;
antioxidant;
EC 6.2.1.3 (long-chain-fatty-acid--CoA ligase) inhibitor;
ferroptosis inhibitor;
hypoglycemic agent;
platelet aggregation inhibitor;
vasodilator agent |
hydroxyproline
Hydroxyproline: A hydroxylated form of the imino acid proline. A deficiency in ASCORBIC ACID can result in impaired hydroxyproline formation.. hydroxyproline : A proline derivative that is proline substituted by at least one hydroxy group. | 2.44 | 2 | 0 | 4-hydroxyproline;
L-alpha-amino acid zwitterion | human metabolite;
mouse metabolite;
plant metabolite |
alanine
Alanine: A non-essential amino acid that occurs in high levels in its free state in plasma. It is produced from pyruvate by transamination. It is involved in sugar and acid metabolism, increases IMMUNITY, and provides energy for muscle tissue, BRAIN, and the CENTRAL NERVOUS SYSTEM.. alanine : An alpha-amino acid that consists of propionic acid bearing an amino substituent at position 2. | 1.98 | 1 | 0 | alanine zwitterion;
alanine;
L-alpha-amino acid;
proteinogenic amino acid;
pyruvate family amino acid | EC 4.3.1.15 (diaminopropionate ammonia-lyase) inhibitor;
fundamental metabolite |
glutamine
Glutamine: A non-essential amino acid present abundantly throughout the body and is involved in many metabolic processes. It is synthesized from GLUTAMIC ACID and AMMONIA. It is the principal carrier of NITROGEN in the body and is an important energy source for many cells.. L-glutamine : An optically active form of glutamine having L-configuration.. glutamine : An alpha-amino acid that consists of butyric acid bearing an amino substituent at position 2 and a carbamoyl substituent at position 4. | 1.95 | 1 | 0 | amino acid zwitterion;
glutamine family amino acid;
glutamine;
L-alpha-amino acid;
polar amino acid zwitterion;
proteinogenic amino acid | EC 1.14.13.39 (nitric oxide synthase) inhibitor;
Escherichia coli metabolite;
human metabolite;
metabolite;
micronutrient;
mouse metabolite;
nutraceutical;
Saccharomyces cerevisiae metabolite |
lysine
Lysine: An essential amino acid. It is often added to animal feed.. lysine : A diamino acid that is caproic (hexanoic) acid bearing two amino substituents at positions 2 and 6.. L-lysine : An L-alpha-amino acid; the L-isomer of lysine. | 1.95 | 1 | 0 | aspartate family amino acid;
L-alpha-amino acid zwitterion;
L-alpha-amino acid;
lysine;
organic molecular entity;
proteinogenic amino acid | algal metabolite;
anticonvulsant;
Escherichia coli metabolite;
human metabolite;
micronutrient;
mouse metabolite;
nutraceutical;
plant metabolite;
Saccharomyces cerevisiae metabolite |
galactose
galactopyranose : The pyranose form of galactose. | 4.45 | 1 | 1 | D-galactose;
galactopyranose | Escherichia coli metabolite;
mouse metabolite |
benzoxazolone
benzoxazolone: RN given refers to parent cpd; structure. 2-benzoxazolinone : A member of the class of benzoxazoles that is 2,3-dihydro-1,3-benzoxazole carrying an oxo group at position 2. | 2.02 | 1 | 0 | benzoxazole | allelochemical;
phytoalexin |
tyrosine
Tyrosine: A non-essential amino acid. In animals it is synthesized from PHENYLALANINE. It is also the precursor of EPINEPHRINE; THYROID HORMONES; and melanin.. tyrosine : An alpha-amino acid that is phenylalanine bearing a hydroxy substituent at position 4 on the phenyl ring. | 3.09 | 5 | 0 | amino acid zwitterion;
erythrose 4-phosphate/phosphoenolpyruvate family amino acid;
L-alpha-amino acid;
proteinogenic amino acid;
tyrosine | EC 1.3.1.43 (arogenate dehydrogenase) inhibitor;
fundamental metabolite;
micronutrient;
nutraceutical |
leucine
Leucine: An essential branched-chain amino acid important for hemoglobin formation.. leucine : A branched-chain amino acid that consists of glycine in which one of the hydrogens attached to the alpha-carbon is substituted by an isobutyl group. | 1.98 | 1 | 0 | amino acid zwitterion;
L-alpha-amino acid;
leucine;
proteinogenic amino acid;
pyruvate family amino acid | algal metabolite;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
plant metabolite;
Saccharomyces cerevisiae metabolite |
lactose
Lactose: A disaccharide of GLUCOSE and GALACTOSE in human and cow milk. It is used in pharmacy for tablets, in medicine as a nutrient, and in industry.. lactose : A glycosylglucose disaccharide, found most notably in milk, that consists of D-galactose and D-glucose fragments bonded through a beta-1->4 glycosidic linkage. The glucose fragment can be in either the alpha- or beta-pyranose form, whereas the galactose fragment can only have the beta-pyranose form.. beta-lactose : The beta-anomer of lactose. | 4.45 | 1 | 1 | lactose | |
phenylalanine
Phenylalanine: An essential aromatic amino acid that is a precursor of MELANIN; DOPAMINE; noradrenalin (NOREPINEPHRINE), and THYROXINE.. L-phenylalanine : The L-enantiomer of phenylalanine.. phenylalanine : An aromatic amino acid that is alanine in which one of the methyl hydrogens is substituted by a phenyl group. | 4.01 | 14 | 0 | amino acid zwitterion;
erythrose 4-phosphate/phosphoenolpyruvate family amino acid;
L-alpha-amino acid;
phenylalanine;
proteinogenic amino acid | algal metabolite;
EC 3.1.3.1 (alkaline phosphatase) inhibitor;
Escherichia coli metabolite;
human xenobiotic metabolite;
micronutrient;
mouse metabolite;
nutraceutical;
plant metabolite;
Saccharomyces cerevisiae metabolite |
valine
Valine: A branched-chain essential amino acid that has stimulant activity. It promotes muscle growth and tissue repair. It is a precursor in the penicillin biosynthetic pathway.. valine : A branched-chain amino acid that consists of glycine in which one of the hydrogens attached to the alpha-carbon is substituted by an isopropyl group.. L-valine : The L-enantiomer of valine. | 1.98 | 1 | 0 | L-alpha-amino acid zwitterion;
L-alpha-amino acid;
proteinogenic amino acid;
pyruvate family amino acid;
valine | algal metabolite;
Escherichia coli metabolite;
human metabolite;
micronutrient;
mouse metabolite;
nutraceutical;
Saccharomyces cerevisiae metabolite |
tryptophan
Tryptophan: An essential amino acid that is necessary for normal growth in infants and for NITROGEN balance in adults. It is a precursor of INDOLE ALKALOIDS in plants. It is a precursor of SEROTONIN (hence its use as an antidepressant and sleep aid). It can be a precursor to NIACIN, albeit inefficiently, in mammals.. tryptophan : An alpha-amino acid that is alanine bearing an indol-3-yl substituent at position 3. | 2.41 | 2 | 0 | erythrose 4-phosphate/phosphoenolpyruvate family amino acid;
L-alpha-amino acid zwitterion;
L-alpha-amino acid;
proteinogenic amino acid;
tryptophan zwitterion;
tryptophan | antidepressant;
Escherichia coli metabolite;
human metabolite;
micronutrient;
mouse metabolite;
nutraceutical;
plant metabolite;
Saccharomyces cerevisiae metabolite |
arginine
Arginine: An essential amino acid that is physiologically active in the L-form.. arginine : An alpha-amino acid that is glycine in which the alpha-is substituted by a 3-guanidinopropyl group. | 2 | 1 | 0 | arginine;
glutamine family amino acid;
L-alpha-amino acid;
proteinogenic amino acid | biomarker;
Escherichia coli metabolite;
micronutrient;
mouse metabolite;
nutraceutical |
pyocyanine
Pyocyanine: Antibiotic pigment produced by Pseudomonas aeruginosa.. pyocyanine : An iminium betaine that is 5-methylphenazin-5-ium which is substituted at position 1 by an oxidanidyl group. An antibiotic pigment produced by Pseudomonas aeruginosa. | 2.63 | 2 | 0 | iminium betaine;
phenazines | antibacterial agent;
bacterial metabolite;
biological pigment;
virulence factor |
2-naphthoic acid
2-naphthoic acid: RN given refers to parent cpd. 2-naphthoic acid : A naphthoic acid that is naphthalene carrying a carboxy group at position 2. | 2.08 | 1 | 0 | naphthoic acid | mouse metabolite;
xenobiotic metabolite |
4-butyrolactone
4-Butyrolactone: One of the FURANS with a carbonyl thereby forming a cyclic lactone. It is an endogenous compound made from gamma-aminobutyrate and is the precursor of gamma-hydroxybutyrate. It is also used as a pharmacological agent and solvent.. tetrahydrofuranone : Any oxolane having an oxo- substituent at any position on the tetrahydrofuran ring.. gamma-butyrolactone : A butan-4-olide that is tetrahydrofuran substituted by an oxo group at position 2. | 2.15 | 1 | 0 | butan-4-olide | metabolite;
neurotoxin |
pyrrolidonecarboxylic acid
Pyrrolidonecarboxylic Acid: A cyclized derivative of L-GLUTAMIC ACID. Elevated blood levels may be associated with problems of GLUTAMINE or GLUTATHIONE metabolism.. 5-oxo-L-proline : An optically active form of 5-oxoproline having L-configuration. | 2.41 | 1 | 0 | 5-oxoproline;
L-proline derivative;
non-proteinogenic L-alpha-amino acid | algal metabolite |
pyrroles
1H-pyrrole : A tautomer of pyrrole that has the double bonds at positions 2 and 4.. pyrrole : A five-membered monocyclic heteroarene comprising one NH and four CH units which forms the parent compound of the pyrrole group of compounds. Its five-membered ring structure has three tautomers. A 'closed class'.. azole : Any monocyclic heteroarene consisting of a five-membered ring containing nitrogen. Azoles can also contain one or more other non-carbon atoms, such as nitrogen, sulfur or oxygen. | 2.41 | 1 | 0 | pyrrole;
secondary amine | |
2-naphthalenesulfonic acid
naphthalene-2-sulfonic acid : A naphthalenesulfonic acid in which the sulfo group is linked to position 2 of the naphthalene ring. | 2.08 | 1 | 0 | naphthalenesulfonic acid | environmental contaminant;
xenobiotic |
2-naphthoxyacetic acid
2-naphthoxyacetic acid: used as plant hormone to promote the growth of roots on clippings, to prevent fruit from falling prematurely; structure | 1.95 | 1 | 0 | naphthyloxyacetic acid | |
shikimic acid
Shikimic Acid: A tri-hydroxy cyclohexene carboxylic acid important in biosynthesis of so many compounds that the shikimate pathway is named after it.. shikimic acid : A cyclohexenecarboxylic acid that is cyclohex-1-ene-1-carboxylic acid substituted by hydroxy groups at positions 3, 4 and 5 (the 3R,4S,5R stereoisomer). It is an intermediate metabolite in plants and microorganisms. | 2.21 | 1 | 0 | alpha,beta-unsaturated monocarboxylic acid;
cyclohexenecarboxylic acid;
hydroxy monocarboxylic acid | Escherichia coli metabolite;
plant metabolite;
Saccharomyces cerevisiae metabolite |
estragole
estragole : A phenylpropanoid that is chavicol in which the hydroxy group is replaced by a methoxy group. | 2.21 | 1 | 0 | alkenylbenzene;
monomethoxybenzene;
phenylpropanoid | carcinogenic agent;
flavouring agent;
genotoxin;
insect attractant;
plant metabolite |
benzoxazoles
1,3-benzoxazole : A benzoxazole in which the benzene ring is fused to a 1,3-oxazole ring across positions 4 and 5.. benzoxazole : Compounds based on a fused 1,2- or 1,3-oxazole and benzene bicyclic ring skeleton. | 2.02 | 1 | 0 | 1,3-benzoxazoles;
mancude organic heterobicyclic parent | |
pyrazines
Pyrazines: A heterocyclic aromatic organic compound with the chemical formula C4H4N2.. pyrazine : A diazine that is benzene in which the carbon atoms at positions 1 and 4 have been replaced by nitrogen atoms. | 2.41 | 1 | 0 | diazine;
pyrazines | Daphnia magna metabolite |
4-hydroxyphenyllactic acid
4-hydroxyphenyllactic acid: tyrosing metabolite; RN given refers to cpd without isomeric designation. 3-(4-hydroxyphenyl)lactic acid : A 2-hydroxy carboxylic acid that is lactic acid in which one of the methyl hydrogens is substituted by a 4-hydroxyphenyl group. | 2.93 | 4 | 0 | 2-hydroxy carboxylic acid;
phenols | bacterial metabolite;
human metabolite |
osthol
osthol: from Cnidium monnieri and Angelica pubescens (both Apiaceae); structure given in first source | 2.15 | 1 | 0 | botanical anti-fungal agent;
coumarins | metabolite |
phloretic acid
phloretic acid: structure. N-hydroxysuccinimide ester : An ester of N-hydroxysuccinimide.. phloretic acid : A hydroxy monocarboxylic acid consisting of propionic acid having a 4-hydroxyphenyl group at the 3-position. | 2.11 | 1 | 0 | hydroxy monocarboxylic acid | plant metabolite |
coumarin-3-carboxylic acid
coumarin-3-carboxylic acid: structure given in first source | 2.08 | 1 | 0 | coumarins | |
alpha-hydroxy-gamma-methylmercaptobutyric acid
alpha-hydroxy-gamma-methylmercaptobutyric acid: RN given refers to parent cpd | 1.95 | 1 | 0 | thia fatty acid | |
ethylmalonic acid
ethylmalonic acid: don't confuse with diethyl malonate, which is a diester. ethylmalonate : A dicarboxylic acid anion obtained by deprotonation of at least one of the carboxy groups of ethylmalonic acid.. ethylmalonic acid : A dicarboxylic acid obtained by substitution of one of the methylene hydrogens of malonic acid by an ethyl group. | 2.41 | 1 | 0 | dicarboxylic acid;
dicarboxylic fatty acid | human metabolite |
phenylglyoxylic acid
phenylglyoxylic acid: styrene metabolite. phenylglyoxylic acid : A 2-oxo monocarboxylic acid that is glyoxylic acid in which the aldehyde hydrogen is substituted by a phenyl group. | 2.4 | 2 | 0 | 2-oxo monocarboxylic acid | biomarker;
human xenobiotic metabolite |
2-hydroxyphenylacetic acid
2-hydroxyphenylacetic acid: structure. (2-hydroxyphenyl)acetic acid : A hydroxy monocarboxylic acid that is acetic acid in which one of the methyl hydrogens is substituted by a 2-hydroxyphenyl group. It is a metabolite of phenylalanine and is excreted in the urine of patients suffering from diseases like phenylketonuria. | 1.96 | 1 | 0 | hydroxy monocarboxylic acid;
phenols | human metabolite;
mouse metabolite |
2-allylphenol
2-allylphenol: structure given in first source. 2-allylphenol : A member of the class of phenols that is phenol carrying an allyl group at position 2. | 2.21 | 1 | 0 | phenols | antifungal agrochemical |
(4-tert-Butyl-phenoxy)-acetic acid
[no description available] | 1.95 | 1 | 0 | monocarboxylic acid | |
4-hydroxyphenoxyacetic acid
[no description available] | 1.95 | 1 | 0 | monocarboxylic acid | |
guaiacoxyacetic acid
guaiacoxyacetic acid: structure given in first source | 1.95 | 1 | 0 | | |
2-tert-butylhydroquinone
2-tert-butylhydroquinone: an anticarcinogenic and chemopreventive agent. 2-tert-butylhydroquinone : A member of the class of hydroquinones in which one of the ring hydrogens of hydroquinone is replaced by a tert-butyl group. | 2.15 | 1 | 0 | hydroquinones | food antioxidant |
phenoxyacetic acid
phenoxyacetic acid : A monocarboxylic acid that is the O-phenyl derivative of glycolic acid. A metabolite of 2-phenoxyethanol, it is used in the manufacture of pharmaceuticals, pesticides, fungicides and dyes. | 2.39 | 2 | 0 | aromatic ether;
monocarboxylic acid | allergen;
Aspergillus metabolite;
human xenobiotic metabolite;
plant growth retardant |
calcium propionate
[no description available] | 2.21 | 1 | 0 | dicarboxylic acid | |
acetylglucosamine
Acetylglucosamine: The N-acetyl derivative of glucosamine.. N-acetyl-beta-D-glucosamine : An N-acetyl-D-glucosamine having beta-configuration at the anomeric centre. | 2.25 | 1 | 0 | N-acetyl-D-glucosamine | epitope |
4-chlorophenoxyacetic acid
4-chlorophenoxyacetic acid: RN given refers to parent cpd; structure. (4-chlorophenoxy)acetic acid : A chlorophenoxyacetic acid that is phenoxyacetic acid carrying a chloro substituent at position 4. | 1.95 | 1 | 0 | chlorophenoxyacetic acid;
monochlorobenzenes | phenoxy herbicide |
2,4-dihydroxy-1,4-benzoxazin-3-one
2,4-dihydroxy-1,4-benzoxazin-3-one: structure in first source. DIBOA : A lactol that consists of 1,4-benzoxazine bearing two hydroxy substituents at positions 2 and 4 as well as a keto group at position 3. | 2.02 | 1 | 0 | benzoxazine;
cyclic hydroxamic acid;
lactol | allelochemical;
herbicide;
phytotoxin;
plant metabolite |
phenyl acetate
phenyl acetate: The ester formed between phenol and acetic acid. Don't confuse with phenylacetic acid derivatives listed under PHENYLACETATES.. phenyl acetate : An acetate ester obtained by the formal condensation of phenol with acetic acid. | 3.56 | 1 | 1 | benzenes;
phenyl acetates | |
butylated hydroxytoluene
2,6-di-tert-butyl-4-methylphenol : A member of the class of phenols that is 4-methylphenol substituted by tert-butyl groups at positions 2 and 6. | 2.15 | 1 | 0 | phenols | antioxidant;
ferroptosis inhibitor;
food additive;
geroprotector |
oxypeucadanin, (s)-(-)-isomer
[no description available] | 2.15 | 1 | 0 | epoxide;
furanocoumarin;
lactone | plant metabolite |
enilconazole
enilconazole: RN given refers to parent cpd. enilconazole : A racemate comprising equimolar amounts of (R)- and (S)-enilconazole. A fungicide used to control a wide range of fungi including Tilletia and Helminthosporium spp. on fruit, vegetables and ornamentals. In veterinary medicine, it is used topically for the treatment of fungal skin infections in cattle, dogs, and horses; it is also used by inhalation for the treatment of aspergillosis in ostriches.. 1-[2-(allyloxy)-2-(2,4-dichlorophenyl)ethyl]imidazole : A member of the class of imidazoles in which the hydrogen at position 1 is replaced by a 2-(allyloxy)-2-(2,4-dichlorophenyl)ethyl group. | 2.05 | 1 | 0 | dichlorobenzene;
ether;
imidazoles | |
glucose, (beta-d)-isomer
beta-D-glucose : D-Glucopyranose with beta configuration at the anomeric centre.. (1->4)-beta-D-glucan : A beta-D-glucan in which the glucose units are connected by (1->4) linkages.. (1->3)-beta-D-glucan : A beta-D-glucan in which the glucose units are connected by (1->3) linkages. | 2.48 | 2 | 0 | D-glucopyranose | epitope;
mouse metabolite |
isoimperatorin
isoimperatorin: tumor necrosis factor antagonist isolated from Glehniae root. isoimperatorin : A member of the class of psoralens that is psoralen substituted by a prenyloxy group at position 5. Isolated from Angelica dahurica and Angelica koreana, it acts as a acetylcholinesterase inhibitor. | 2.15 | 1 | 0 | psoralens | EC 3.1.1.7 (acetylcholinesterase) inhibitor;
metabolite |
2-Oxo-4-phenylbutyric acid
[no description available] | 2.21 | 1 | 0 | benzenes | |
3,4-dihydroxymandelic acid
3,4-dihydroxymandelic acid: metabolite of L-dopa; RN given refers to parent cpd without isomeric designation. 3,4-dihydroxymandelic acid : A catechol that is the 3,4-dihydroxy derivative of mandelic acid; a metabolite of L-dopa. | 3.82 | 2 | 1 | 2-hydroxy monocarboxylic acid;
catechols | antioxidant;
drug metabolite;
human metabolite;
mouse metabolite |
3-hydroxymandelic acid
3-hydroxymandelic acid : A 2-hydroxy monocarboxylic acid that is mandelic acid substituted by a hydroxy group at position 3'. | 1.98 | 1 | 0 | 2-hydroxy monocarboxylic acid;
phenols | human metabolite |
coenzyme a
[no description available] | 2 | 1 | 0 | adenosine 3',5'-bisphosphate | coenzyme;
Escherichia coli metabolite;
mouse metabolite |
alpha-hydroxyisocaproic acid
alpha-hydroxyisocaproic acid: alpha-hydroxy analog of leucine; RN given refers to cpd without isomeric designation. 2-hydroxy-4-methylvaleric acid : A valeric acid derivative having a hydroxy substituent at the 2-position and a methyl substituent at the 4-position; an alpha-hydroxy analogue of leucine. A bacterial metabolite, it has also been isolated from amniotic fluid, was found in a patient with dihydrolipoyl dehydrogenase deficiency and is present in the urine of patients with short bowel syndrome. | 3.09 | 5 | 0 | 2-hydroxy fatty acid;
branched-chain fatty acid | metabolite |
indole-3-lactic acid
indole-3-lactic acid: RN given refers to cpd without isomeric designation. 3-(indol-3-yl)lactic acid : A hydroxy monocarboxylic acid that is lactic acid substituted by a 1H-indol-3-yl group at position 3. It is a metabolite of tryptophan. | 2.42 | 2 | 0 | hydroxy monocarboxylic acid;
indol-3-yl carboxylic acid | human metabolite |
salicylamide-2-acetic acid
salicylamide-2-acetic acid: solubilizer of theophylline in Solosin; RN given refers to parent cpd | 1.95 | 1 | 0 | monocarboxylic acid | |
2-chloromandelic acid
2-chloromandelic acid: structure in first source | 1.95 | 1 | 0 | | |
4-fluoro-alpha-hydroxybenzeneacetic acid
4-fluoro-alpha-hydroxybenzeneacetic acid: an aprepitant urinary metabolite; structure in first source | 1.95 | 1 | 0 | | |
fingolimod hydrochloride
Fingolimod Hydrochloride: A sphingosine-derivative and IMMUNOSUPPRESSIVE AGENT that blocks the migration and homing of LYMPHOCYTES to the CENTRAL NERVOUS SYSTEM through its action on SPHINGOSINE 1-PHOSPHATE RECEPTORS. It is used in the treatment of MULTIPLE SCLEROSIS.. fingolimod hydrochloride : The hydrochloride salt of 2-amino-2-[2-(4-octylphenyl) ethyl]-1,3-propanediol (fingolimod). | 2.41 | 1 | 0 | hydrochloride | immunosuppressive agent;
prodrug;
sphingosine-1-phosphate receptor agonist |
prolinamide
prolinamide: RN given refers to cpd without isomeric designation. L-prolinamide : The carboxamide derivative of L-proline. | 2.05 | 1 | 0 | amino acid amide;
L-proline derivative;
pyrrolidinecarboxamide | |
prunasin
prunasin: cyanogenic glycoside; RN given refers to cpd without isomeric designation | 2.06 | 1 | 0 | prunasin | |
eutypine
eutypine: isolated from Eutypa lata; structure in first source | 2.02 | 1 | 0 | | |
aspartame
[no description available] | 1.98 | 1 | 0 | carboxylic acid;
dipeptide zwitterion;
dipeptide;
methyl ester | apoptosis inhibitor;
EC 3.1.3.1 (alkaline phosphatase) inhibitor;
environmental contaminant;
micronutrient;
nutraceutical;
sweetening agent;
xenobiotic |
xylose
xylopyranose: structure in first source | 2.11 | 1 | 0 | D-xylose | |
proline
Proline: A non-essential amino acid that is synthesized from GLUTAMIC ACID. It is an essential component of COLLAGEN and is important for proper functioning of joints and tendons.. proline : An alpha-amino acid that is pyrrolidine bearing a carboxy substituent at position 2. | 2.05 | 1 | 0 | amino acid zwitterion;
glutamine family amino acid;
L-alpha-amino acid;
proline;
proteinogenic amino acid | algal metabolite;
compatible osmolytes;
Escherichia coli metabolite;
micronutrient;
mouse metabolite;
nutraceutical;
Saccharomyces cerevisiae metabolite |
hyoscyamine
Hyoscyamine: The 3(S)-endo isomer of atropine.. (S)-atropine : An atropine with a 2S-configuration. | 2.25 | 1 | 0 | tropane alkaloid | |
naproxen
Naproxen: An anti-inflammatory agent with analgesic and antipyretic properties. Both the acid and its sodium salt are used in the treatment of rheumatoid arthritis and other rheumatic or musculoskeletal disorders, dysmenorrhea, and acute gout.. naproxen : A methoxynaphthalene that is 2-methoxynaphthalene substituted by a carboxy ethyl group at position 6. Naproxen is a non-steroidal anti-inflammatory drug commonly used for the reduction of pain, fever, inflammation and stiffness caused by conditions such as osteoarthritis, kidney stones, rheumatoid arthritis, psoriatic arthritis, gout, ankylosing spondylitis, menstrual cramps, tendinitis, bursitis, and for the treatment of primary dysmenorrhea. It works by inhibiting both the COX-1 and COX-2 enzymes. | 2.15 | 1 | 0 | methoxynaphthalene;
monocarboxylic acid | antipyretic;
cyclooxygenase 1 inhibitor;
cyclooxygenase 2 inhibitor;
drug allergen;
environmental contaminant;
gout suppressant;
non-narcotic analgesic;
non-steroidal anti-inflammatory drug;
xenobiotic |
alpha-ketocaproic acid
alpha-ketocaproic acid: RN given refers to parent cpd. 2-oxohexanoic acid : A straight-chain fatty acid consisting of hexanoic acid having an oxo group at position 2. | 1.95 | 1 | 0 | 2-oxo monocarboxylic acid;
medium-chain fatty acid;
oxo fatty acid;
straight-chain fatty acid | human blood serum metabolite |
methylinositol
methylinositol: from Ebenus haussknechtii; structure in first source. pinitol : A cyclitol ether formed by etherification of the 3-hydroxy group of chiro-inositol. It is plant metabolite isolated from the leaves of Sutherlandia frutescens.. 1D-4-O-methyl-myo-inositol : A member of the class of methyl myo-inositols that is cyclohexane-1,2,3,4,5-pentol substituted by a methoxy group at position 6 (the 1R,2S,3S,4S,5S,6S-isomer).. D-pinitol : The D-enantiomer of pinitol. | 4.45 | 1 | 1 | | |
enniatin b
enniatins: cyclohexadepsipeptides containing valine, isoleucine & valeric acid from Fusarian; form complexes with cations & cellular membranes; there are at least three different enniatins H, B & C; minor descriptor (76-86); on-line & INDEX MEDICUS search PEPTIDES, CYCLIC (76-86); see also record for enniatin D, E, F. enniatin B : An enniatin obtained from formal cyclocondensation of three N-[(2R)-2-hydroxy-3-methylbutanoyl]-N-methyl-L-valine units. | 2.03 | 1 | 0 | enniatin | antimicrobial agent |
lignin
Lignin: The most abundant natural aromatic organic polymer found in all vascular plants. Lignin together with cellulose and hemicellulose are the major cell wall components of the fibers of all wood and grass species. Lignin is composed of coniferyl, p-coumaryl, and sinapyl alcohols in varying ratios in different plant species. (From Merck Index, 11th ed). lignin : A polyphenylpropanoid derived from three monolignol monomers: trans-p-coumaryl alcohol, coniferol and trans-sinapyl alcohol. There is extensive cross-linking and no defined primary structure. | 2.11 | 1 | 0 | | |
aflatoxin b1
Aflatoxin B1: A potent hepatotoxic and hepatocarcinogenic mycotoxin produced by the Aspergillus flavus group of fungi. It is also mutagenic, teratogenic, and causes immunosuppression in animals. It is found as a contaminant in peanuts, cottonseed meal, corn, and other grains. The mycotoxin requires epoxidation to aflatoxin B1 2,3-oxide for activation. Microsomal monooxygenases biotransform the toxin to the less toxic metabolites aflatoxin M1 and Q1.. aflatoxin B1 : An aflatoxin having a tetrahydrocyclopenta[c]furo[3',2':4,5]furo[2,3-h]chromene skeleton with oxygen functionality at positions 1, 4 and 11. | 2.6 | 1 | 0 | aflatoxin;
aromatic ether;
aromatic ketone | carcinogenic agent;
human metabolite |
3,4-dihydroxyphenylpropionic acid
3,4-dihydroxyphenylpropionic acid: metabolite of caffeic acid; RN given refers to parent cpd; structure. 3-(3,4-dihydroxyphenyl)propanoic acid : A monocarboxylic acid that is 3-phenylpropionic acid substituted by hydroxy groups at positions 3 and 4. Also known as dihydrocaffeic acid, it is a metabolite of caffeic acid and exhibits antioxidant activity. | 2.08 | 1 | 0 | (dihydroxyphenyl)propanoic acid | antioxidant;
human xenobiotic metabolite |
3,4-dihydroxyphenyllactic acid
3,4-dihydroxyphenyllactic acid: from S. miltiorhiza Bge; dilates coronary artery; RN given refers to parent cpd without isomeric designation | 1.96 | 1 | 0 | 2-hydroxy monocarboxylic acid;
catechols | |
littorine
littorine: RN given refers to (3(R)-endo)-isomer; RN for cpd without isomeric designation not avail 3/90; isolated from a Duboisia hybrid | 2.25 | 1 | 0 | tropane alkaloid | |
betadex
beta-Cyclodextrins: Cyclic GLUCANS consisting of seven (7) glucopyranose units linked by 1,4-glycosidic bonds. | 2.4 | 2 | 0 | cyclodextrin | |
e-z cinnamic acid
cinnamic acid : A monocarboxylic acid that consists of acrylic acid bearing a phenyl substituent at the 3-position. It is found in Cinnamomum cassia.. trans-cinnamic acid : The E (trans) isomer of cinnamic acid | 2.51 | 2 | 0 | cinnamic acid | plant metabolite |
trans-4-coumaric acid
hydroxycinnamic acid : Any member of the class of cinnamic acids carrying one or more hydroxy substituents.. trans-4-coumaric acid : The trans-isomer of 4-coumaric acid.. 4-coumaric acid : A coumaric acid in which the hydroxy substituent is located at C-4 of the phenyl ring. | 2.5 | 2 | 0 | 4-coumaric acid | food component;
mouse metabolite;
plant metabolite |
glycosides
[no description available] | 2.17 | 1 | 0 | | |
Methylenedioxycinnamic acid
[no description available] | 2.08 | 1 | 0 | hydroxycinnamic acid | |
sorbic acid
Sorbic Acid: Mold and yeast inhibitor. Used as a fungistatic agent for foods, especially cheeses.. (2E,4E)-hexa-2,4-dienoic acid : A sorbic acid having trans-double bonds at positions 2 and 4; a food preservative that can induce cutaneous vasodilation and stinging upon topical application to humans. It is the most thermodynamically stable of the four possible geometric isomers possible, as well as the one with the highest antimicrobial activity.. sorbic acid : A hexadienoic acid with double bonds at C-2 and C-4; it has four geometrical isomers, of which the trans,trans-form is naturally occurring. | 2.21 | 1 | 0 | alpha,beta-unsaturated monocarboxylic acid;
sorbic acid | |
caffeic acid
trans-caffeic acid : The trans-isomer of caffeic acid. | 2.08 | 1 | 0 | caffeic acid | geroprotector;
mouse metabolite |
methyl caffeate
methyl caffeate: from plant Gaillardia pulchella. methyl caffeate : An alkyl caffeate ester formed by the formal condensation of caffeic acid with methyl alcohol. | 2.08 | 1 | 0 | alkyl caffeate ester;
methyl ester | |
3-(3,4-dimethoxyphenyl)propenoic acid
3-(3,4-dimethoxyphenyl)propenoic acid: structure given in first source; RN given refers to parent cpd. 3,4-dimethoxycinnamic acid : A methoxycinnamic acid that is trans-cinnamic acid substituted by methoxy groups at positions 3' and 4' respectively. | 2.08 | 1 | 0 | methoxycinnamic acid | |
isoferulic acid
isoferulic acid: isomer of ferulic acid; structure. isoferulic acid : A ferulic acid consisting of trans-cinnamic acid bearing methoxy and hydroxy substituents at positions 4 and 3 respectively on the phenyl ring. | 2.08 | 1 | 0 | ferulic acids | antioxidant;
biomarker;
metabolite |
aurapten
aurapten: RN refers to (E)-isomer; structure given in first source. auraptene : A member of the class of coumarins that is umbelliferone in which the phenolic hydrogen has been replaced by a geranyl group. Ii is isolated from several edible fruits and vegetables and exhibits a variety of therapeutic properties. | 2.06 | 1 | 0 | coumarins;
monoterpenoid | antihypertensive agent;
antineoplastic agent;
antioxidant;
apoptosis inducer;
dopaminergic agent;
EC 2.7.11.24 (mitogen-activated protein kinase) inhibitor;
gamma-secretase modulator;
gastrointestinal drug;
hepatoprotective agent;
matrix metalloproteinase inhibitor;
neuroprotective agent;
plant metabolite;
PPARalpha agonist;
vulnerary |
cinnamonitrile
cinnamonitrile: RN given refers to cpd without isomeric designation | 2.08 | 1 | 0 | | |
nadp
[no description available] | 2 | 1 | 0 | | |
homoserine lactone
homoserine lactone: a putative signal for starvation in E. coli; structure in first source. homoserinium lactone : The conjugate acid of homoserine lactone; major species at pH 7.3.. homoserine lactone : A butan-4-olide having an amino substituent at the 2-position. | 2.15 | 1 | 0 | ammonium ion derivative;
organic cation | |
quercetin 3-o-glucopyranoside
quercetin 3-O-glucopyranoside: structure in first source. quercetin 3-O-beta-D-glucopyranoside : A quercetin O-glucoside that is quercetin with a beta-D-glucosyl residue attached at position 3. Isolated from Lepisorus contortus, it exhibits antineoplastic activityand has been found to decrease the rate of polymerization and sickling of red blood cells | 2.06 | 1 | 0 | beta-D-glucoside;
monosaccharide derivative;
quercetin O-glucoside;
tetrahydroxyflavone | antineoplastic agent;
antioxidant;
antipruritic drug;
bone density conservation agent;
geroprotector;
histamine antagonist;
osteogenesis regulator;
plant metabolite |
6-ketoprostaglandin f1 alpha
6-Ketoprostaglandin F1 alpha: The physiologically active and stable hydrolysis product of EPOPROSTENOL. Found in nearly all mammalian tissue.. 6-oxoprostaglandin F1alpha : A prostaglandin Falpha that is prostaglandin F1alpha bearing a keto substituent at the 6-position. | 1.96 | 1 | 0 | prostaglandins Falpha | human metabolite;
mouse metabolite |
astragalin
kaempferol-3-O-glucoside: isolated from the pit of Mahkota dewa; structure in first source. kaempferol 3-O-beta-D-glucoside : A kaempferol O-glucoside in which a glucosyl residue is attached at position 3 of kaempferol via a beta-glycosidic linkage. | 2.06 | 1 | 0 | beta-D-glucoside;
kaempferol O-glucoside;
monosaccharide derivative;
trihydroxyflavone | plant metabolite;
trypanocidal drug |
thromboxane b2
Thromboxane B2: A stable, physiologically active compound formed in vivo from the prostaglandin endoperoxides. It is important in the platelet-release reaction (release of ADP and serotonin).. thromboxane B2 : A member of the class of thromboxanes B that is (5Z,13E)-thromboxa-5,13-dien-1-oic acid substituted by hydroxy groups at positions 9, 11 and 15. | 1.96 | 1 | 0 | thromboxanes B | human metabolite;
mouse metabolite |
ethyl caffeate
(E)-ethyl 3-(3,4-dihydroxyphenyl)prop-2-enoate: structure in first source. ethyl trans-caffeate : An ethyl ester resulting from the formal condensation of the carboxy group of trans-caffeic acid with ethanol. | 2.08 | 1 | 0 | alkyl caffeate ester;
ethyl ester;
hydroxycinnamic acid | anti-inflammatory agent;
antineoplastic agent;
metabolite |
arsenic
Arsenic: A shiny gray element with atomic symbol As, atomic number 33, and atomic weight 75. It occurs throughout the universe, mostly in the form of metallic arsenides. Most forms are toxic. According to the Fourth Annual Report on Carcinogens (NTP 85-002, 1985), arsenic and certain arsenic compounds have been listed as known carcinogens. (From Merck Index, 11th ed) | 2.02 | 1 | 0 | metalloid atom;
pnictogen | micronutrient |
cinnamoyl-coenzyme a
(E)-cinnamoyl-CoA : The (E)-isomer of cinnamoyl-CoA. | 2 | 1 | 0 | cinnamoyl-CoA | |
thiomandelic acid
thiomandelic acid: structure in first source | 2.17 | 1 | 0 | | |
scopolamine hydrobromide
[no description available] | 2.25 | 1 | 0 | | |
1-O-feruloyl-beta-D-glucose
1-O-feruloyl-beta-D-glucose : A beta-D-glucoside resulting from the formal condensation of the carboxy group of ferulic acid with the anomeric hydroxy group of beta-D-glucose. | 2.06 | 1 | 0 | aromatic ether;
beta-D-glucoside;
cinnamate ester;
phenols | antioxidant;
plant metabolite |
nad
NAD(1-) : An anionic form of nicotinamide adenine dinucleotide arising from deprotonation of the two OH groups of the diphosphate moiety. | 4.41 | 6 | 0 | organophosphate oxoanion | cofactor;
human metabolite;
hydrogen acceptor;
Saccharomyces cerevisiae metabolite |
glucagon
Glucagon: A 29-amino acid pancreatic peptide derived from proglucagon which is also the precursor of intestinal GLUCAGON-LIKE PEPTIDES. Glucagon is secreted by PANCREATIC ALPHA CELLS and plays an important role in regulation of BLOOD GLUCOSE concentration, ketone metabolism, and several other biochemical and physiological processes. (From Gilman et al., Goodman and Gilman's The Pharmacological Basis of Therapeutics, 9th ed, p1511). glucagon : A 29-amino acid peptide hormone consisting of His, Ser, Gln, Gly, Thr, Phe, Thr, Ser, Asp, Tyr, Ser, Lys, Tyr, Leu, Asp, Ser, Arg, Arg, Ala, Gln, Asp, Phe, Val, Gln, Trp, Leu, Met, Asn and Thr residues joined in sequence. | 1.96 | 1 | 0 | peptide hormone | |
cellulose
DEAE-Cellulose: Cellulose derivative used in chromatography, as ion-exchange material, and for various industrial applications. | 2.11 | 1 | 0 | glycoside | |
natriuretic peptide, brain
Natriuretic Peptide, Brain: A PEPTIDE that is secreted by the BRAIN and the HEART ATRIA, stored mainly in cardiac ventricular MYOCARDIUM. It can cause NATRIURESIS; DIURESIS; VASODILATION; and inhibits secretion of RENIN and ALDOSTERONE. It improves heart function. It contains 32 AMINO ACIDS. | 3.56 | 1 | 1 | polypeptide | |
ascorbic acid
Ascorbic Acid: A six carbon compound related to glucose. It is found naturally in citrus fruits and many vegetables. Ascorbic acid is an essential nutrient in human diets, and necessary to maintain connective tissue and bone. Its biologically active form, vitamin C, functions as a reducing agent and coenzyme in several metabolic pathways. Vitamin C is considered an antioxidant.. L-ascorbic acid : The L-enantiomer of ascorbic acid and conjugate acid of L-ascorbate.. L-ascorbate : The L-enantiomer of ascorbate and conjugate base of L-ascorbic acid, arising from selective deprotonation of the 3-hydroxy group. Required for a range of essential metabolic reactions in all animals and plants.. vitamin C : Any member of a group of vitamers that belong to the chemical structural class called butenolides that exhibit biological activity against vitamin C deficiency in animals. The vitamers include L-ascorbic acid and its salt, ionized and oxidized forms. | 2.5 | 2 | 0 | ascorbic acid;
vitamin C | coenzyme;
cofactor;
flour treatment agent;
food antioxidant;
food colour retention agent;
geroprotector;
plant metabolite;
skin lightening agent |
agar
Agar: A complex sulfated polymer of galactose units, extracted from Gelidium cartilagineum, Gracilaria confervoides, and related red algae. It is used as a gel in the preparation of solid culture media for microorganisms, as a bulk laxative, in making emulsions, and as a supporting medium for immunodiffusion and immunoelectrophoresis.. agar : A complex mixture of polysaccharides extracted from species of red algae. Its two main components are agarose and agaropectin. Agarose is the component responsible for the high-strength gelling properties of agar, while agaropectin provides the viscous properties. | 2.41 | 1 | 0 | | |
t-2 toxin
T-2 Toxin: A potent mycotoxin produced in feedstuffs by several species of the genus FUSARIUM. It elicits a severe inflammatory reaction in animals and has teratogenic effects.. T-2 toxin : A trichothecene mycotoxin produced by fungi of the genus Fusarium. It is a common contaminant in food and feedstuffs of cereal origin and is known to cause a range of toxic effects in humans and animals. | 2.25 | 1 | 0 | | |