dihydro-3-coumaric acid
dihydro-3-coumaric acid: intermediate in biosynthesis of dihydrophenanthrenes from phenylalanine. 3-(3-hydroxyphenyl)propanoic acid : A monocarboxylic acid that is propionic acid carrying a 3-hydroxyphenyl substituent at C-3. | 5.06 | 3 | 1 | monocarboxylic acid | Escherichia coli metabolite;
human xenobiotic 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. | 3.9 | 4 | 0 | benzenes;
monocarboxylic acid | antifungal agent;
human metabolite;
plant metabolite |
4-hydroxyphenylacetic acid
4-hydroxyphenylacetic acid : A monocarboxylic acid that is acetic acid in which one of the methyl hydrogens is substituted by a 4-hydroxyphenyl group. | 6.75 | 23 | 1 | monocarboxylic acid;
phenols | fungal metabolite;
human metabolite;
mouse metabolite;
plant metabolite |
4-hydroxybenzoic acid
4-hydroxybenzoic acid : A monohydroxybenzoic acid that is benzoic acid carrying a hydroxy substituent at C-4 of the benzene ring. | 2.74 | 3 | 0 | monohydroxybenzoic acid | algal metabolite;
plant metabolite |
acetaldehyde
Acetaldehyde: A colorless, flammable liquid used in the manufacture of acetic acid, perfumes, and flavors. It is also an intermediate in the metabolism of alcohol. It has a general narcotic action and also causes irritation of mucous membranes. Large doses may cause death from respiratory paralysis.. acetaldehyde : The aldehyde formed from acetic acid by reduction of the carboxy group. It is the most abundant carcinogen in tobacco smoke.. aldehyde : A compound RC(=O)H, in which a carbonyl group is bonded to one hydrogen atom and to one R group.. acetyl group : A group, formally derived from acetic acid by dehydroxylation, which is fundamental to the biochemistry of all forms of life. When bound to coenzyme A, it is central to the metabolism of carbohydrates and fats. | 2.41 | 1 | 0 | aldehyde | carcinogenic agent;
EC 3.5.1.4 (amidase) inhibitor;
electron acceptor;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
mutagen;
oxidising agent;
Saccharomyces cerevisiae metabolite;
teratogenic agent |
benzoic acid
Benzoic Acid: A fungistatic compound that is widely used as a food preservative. It is conjugated to GLYCINE in the liver and excreted as hippuric acid.. benzoic acid : A compound comprising a benzene ring core carrying a carboxylic acid substituent.. aromatic carboxylic acid : Any carboxylic acid in which the carboxy group is directly bonded to an aromatic ring. | 3.63 | 3 | 0 | benzoic acids | algal metabolite;
antimicrobial food preservative;
drug allergen;
EC 1.13.11.33 (arachidonate 15-lipoxygenase) inhibitor;
EC 3.1.1.3 (triacylglycerol lipase) inhibitor;
human xenobiotic metabolite;
plant metabolite |
2,3-butylene glycol
2,3-butylene glycol: RN given refers to cpd without isomeric designation. butane-2,3-diol : A butanediol in which hydroxylation is at C-2 and C-3. | 2.6 | 1 | 0 | butanediol;
glycol;
secondary alcohol | |
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. | 2.6 | 1 | 0 | fatty acid 4:0;
straight-chain saturated fatty acid | human urinary metabolite;
Mycoplasma genitalium metabolite |
cadaverine
[no description available] | 2.41 | 1 | 0 | alkane-alpha,omega-diamine | Daphnia magna metabolite;
Escherichia coli metabolite;
mouse metabolite;
plant metabolite |
formic acid
formic acid: RN given refers to parent cpd. formic acid : The simplest carboxylic acid, containing a single carbon. Occurs naturally in various sources including the venom of bee and ant stings, and is a useful organic synthetic reagent. Principally used as a preservative and antibacterial agent in livestock feed. Induces severe metabolic acidosis and ocular injury in human subjects. | 2.08 | 1 | 0 | monocarboxylic acid | antibacterial agent;
astringent;
metabolite;
protic solvent;
solvent |
catechol
[no description available] | 2.1 | 1 | 0 | catechols | allelochemical;
genotoxin;
plant metabolite |
citric acid, anhydrous
Citric Acid: A key intermediate in metabolism. It is an acid compound found in citrus fruits. The salts of citric acid (citrates) can be used as anticoagulants due to their calcium chelating ability.. citric acid : A tricarboxylic acid that is propane-1,2,3-tricarboxylic acid bearing a hydroxy substituent at position 2. It is an important metabolite in the pathway of all aerobic organisms. | 2.15 | 1 | 0 | tricarboxylic acid | antimicrobial agent;
chelator;
food acidity regulator;
fundamental metabolite |
gallic acid
gallate : A trihydroxybenzoate that is the conjugate base of gallic acid. | 5.35 | 2 | 2 | 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 |
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. | 5.03 | 3 | 1 | N-acylglycine | human blood serum metabolite;
uremic toxin |
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. | 6.25 | 13 | 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. | 2.41 | 1 | 0 | 2-hydroxy monocarboxylic acid | algal metabolite;
Daphnia magna metabolite |
dimethyl sulfoxide
Dimethyl Sulfoxide: A highly polar organic liquid, that is used widely as a chemical solvent. Because of its ability to penetrate biological membranes, it is used as a vehicle for topical application of pharmaceuticals. It is also used to protect tissue during CRYOPRESERVATION. Dimethyl sulfoxide shows a range of pharmacological activity including analgesia and anti-inflammation.. dimethyl sulfoxide : A 2-carbon sulfoxide in which the sulfur atom has two methyl substituents. | 2.05 | 1 | 0 | sulfoxide;
volatile organic compound | alkylating agent;
antidote;
Escherichia coli metabolite;
geroprotector;
MRI contrast agent;
non-narcotic analgesic;
polar aprotic solvent;
radical scavenger |
glyceric acid
glyceric acid: found in urine of patient with D-glyceric acidemia & hyperglycinaemia; RN given refers to parent cpd without isomeric designation. glycerol ether : Any ether having glyceryl as at least one of the O-substituents.. glyceric acid : A trionic acid that consists of propionic acid substituted at positions 2 and 3 by hydroxy groups. | 2.41 | 1 | 0 | trionic acid | fundamental 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. | 2.41 | 1 | 0 | alditol;
triol | algal metabolite;
detergent;
Escherichia coli metabolite;
geroprotector;
human metabolite;
mouse metabolite;
osmolyte;
Saccharomyces cerevisiae metabolite;
solvent |
glycolic acid
glycolic acid: RN given refers to parent cpd. glycolic acid : A 2-hydroxy monocarboxylic acid that is acetic acid where the methyl group has been hydroxylated. | 2.9 | 2 | 0 | 2-hydroxy monocarboxylic acid;
primary alcohol | keratolytic drug;
metabolite |
malonic acid
malonic acid : An alpha,omega-dicarboxylic acid in which the two carboxy groups are separated by a single methylene group.. dicarboxylic acid : Any carboxylic acid containing two carboxy groups. | 2.08 | 1 | 0 | alpha,omega-dicarboxylic acid | human metabolite |
niacinamide
nicotinamide : A pyridinecarboxamide that is pyridine in which the hydrogen at position 3 is replaced by a carboxamide group. | 2.08 | 1 | 0 | pyridine alkaloid;
pyridinecarboxamide;
vitamin B3 | anti-inflammatory agent;
antioxidant;
cofactor;
EC 2.4.2.30 (NAD(+) ADP-ribosyltransferase) inhibitor;
EC 3.5.1.98 (histone deacetylase) inhibitor;
Escherichia coli metabolite;
geroprotector;
human urinary metabolite;
metabolite;
mouse metabolite;
neuroprotective agent;
Saccharomyces cerevisiae metabolite;
Sir2 inhibitor |
phenol
[no description available] | 2.02 | 1 | 0 | phenols | antiseptic drug;
disinfectant;
human xenobiotic metabolite;
mouse 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. | 3.48 | 8 | 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. | 3.06 | 5 | 0 | alkaloid;
aralkylamine;
phenylethylamine | Escherichia coli metabolite;
human metabolite;
mouse metabolite |
pyrogallol
benzenetriol : A triol in which three hydroxy groups are substituted onto a benzene ring. | 3.46 | 1 | 1 | benzenetriol;
phenolic donor | plant metabolite |
pyruvic acid
Pyruvic Acid: An intermediate compound in the metabolism of carbohydrates, proteins, and fats. In thiamine deficiency, its oxidation is retarded and it accumulates in the tissues, especially in nervous structures. (From Stedman, 26th ed). pyruvic acid : A 2-oxo monocarboxylic acid that is the 2-keto derivative of propionic acid. It is a metabolite obtained during glycolysis. | 1.97 | 1 | 0 | 2-oxo monocarboxylic acid | cofactor;
fundamental metabolite |
succinic acid
Succinic Acid: A water-soluble, colorless crystal with an acid taste that is used as a chemical intermediate, in medicine, the manufacture of lacquers, and to make perfume esters. It is also used in foods as a sequestrant, buffer, and a neutralizing agent. (Hawley's Condensed Chemical Dictionary, 12th ed, p1099; McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed, p1851). succinic acid : An alpha,omega-dicarboxylic acid resulting from the formal oxidation of each of the terminal methyl groups of butane to the corresponding carboxy group. It is an intermediate metabolite in the citric acid cycle. | 1.97 | 1 | 0 | alpha,omega-dicarboxylic acid;
C4-dicarboxylic acid | anti-ulcer drug;
fundamental metabolite;
micronutrient;
nutraceutical;
radiation protective agent |
tryptamine
[no description available] | 2.36 | 2 | 0 | aminoalkylindole;
aralkylamino compound;
indole alkaloid;
tryptamines | human metabolite;
mouse metabolite;
plant metabolite |
catechin
[no description available] | 2.1 | 1 | 0 | hydroxyflavan | |
vanilmandelic acid
Vanilmandelic Acid: A 3-O-methyl ether of 3,4-dihydroxymandelic acid. It is an end-stage metabolite of CATECHOLAMINES; EPINEPHRINE; and NOREPINEPHRINE.. vanillylmandelic acid : An aromatic ether that is the 3-O-methyl ether of 3,4-dihydroxymandelic acid. | 1.97 | 1 | 0 | 2-hydroxy monocarboxylic acid;
aromatic ether;
phenols | human metabolite |
mandelic acid
SAMMA: mandelic acid condensation polymer | 1.97 | 1 | 0 | 2-hydroxy monocarboxylic acid;
benzenes | antibacterial agent;
human xenobiotic metabolite |
3-methoxytyramine
3-methoxytyramine: RN given refers to parent cpd. 3-methoxytyramine : A monomethoxybenzene that is dopamine in which the hydroxy group at position 3 is replaced by a methoxy group. It is a metabolite of the neurotransmitter dopamine and considered a potential biomarker of pheochromocytomas and paragangliomas. | 2.37 | 2 | 0 | monomethoxybenzene;
phenols;
phenylethylamine;
primary amino compound | biomarker;
human blood serum metabolite;
human urinary 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. | 3.77 | 11 | 0 | guaiacols;
monocarboxylic acid | human metabolite;
mouse metabolite |
hydroxyindoleacetic acid
(5-hydroxyindol-3-yl)acetic acid : A member of the class of indole-3-acetic acids that is indole-3-acetic acid substituted by a hydroxy group at C-5. | 1.97 | 1 | 0 | indole-3-acetic acids | drug metabolite;
human metabolite;
mouse metabolite |
aristolochic acid i
aristolochic acid I: phospholipase A inhibitor. aristolochic acid A : An aristolochic acid that is phenanthrene-1-carboxylic acid that is substituted by a methylenedioxy group at the 3,4 positions, by a methoxy group at position 8, and by a nitro group at position 10. It is the most abundant of the aristolochic acids and is found in almost all Aristolochia (birthworts or pipevines) species. It has been tried in a number of treatments for inflammatory disorders, mainly in Chinese and folk medicine. However, there is concern over their use as aristolochic acid is both carcinogenic and nephrotoxic. | 2.15 | 1 | 0 | aristolochic acids;
aromatic ether;
C-nitro compound;
cyclic acetal;
monocarboxylic acid;
organic heterotetracyclic compound | carcinogenic agent;
metabolite;
mutagen;
nephrotoxin;
toxin |
norfenefrine
norfenefrine: RN given refers to cpd without isomeric designation; structure | 1.96 | 1 | 0 | phenols | |
octopamine
Octopamine: An alpha-adrenergic sympathomimetic amine, biosynthesized from tyramine in the CNS and platelets and also in invertebrate nervous systems. It is used to treat hypotension and as a cardiotonic. The natural D(-) form is more potent than the L(+) form in producing cardiovascular adrenergic responses. It is also a neurotransmitter in some invertebrates.. octopamine : A member of the class of phenylethanolamines that is phenol which is substituted at the para- position by a 2-amino-1-hydroxyethyl group. A biogenic phenylethanolamine which has been found to act as a neurotransmitter, neurohormone or neuromodulator in invertebrates. | 1.96 | 1 | 0 | phenylethanolamines;
tyramines | neurotransmitter |
pargyline
Pargyline: A monoamine oxidase inhibitor with antihypertensive properties. | 1.96 | 1 | 0 | aromatic amine | |
probenecid
Probenecid: The prototypical uricosuric agent. It inhibits the renal excretion of organic anions and reduces tubular reabsorption of urate. Probenecid has also been used to treat patients with renal impairment, and, because it reduces the renal tubular excretion of other drugs, has been used as an adjunct to antibacterial therapy.. probenecid : A sulfonamide in which the nitrogen of 4-sulfamoylbenzoic acid is substituted with two propyl groups. | 2.37 | 2 | 0 | benzoic acids;
sulfonamide | uricosuric drug |
tyramine
[no description available] | 3.57 | 9 | 0 | monoamine molecular messenger;
primary amino compound;
tyramines | EC 3.1.1.8 (cholinesterase) inhibitor;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
neurotransmitter |
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. | 2.08 | 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 |
apomorphine
Apomorphine: A derivative of morphine that is a dopamine D2 agonist. It is a powerful emetic and has been used for that effect in acute poisoning. It has also been used in the diagnosis and treatment of parkinsonism, but its adverse effects limit its use. | 1.96 | 1 | 0 | aporphine alkaloid | alpha-adrenergic drug;
antidyskinesia agent;
antiparkinson drug;
dopamine agonist;
emetic;
serotonergic drug |
phenylethyl alcohol
Phenylethyl Alcohol: An antimicrobial, antiseptic, and disinfectant that is used also as an aromatic essence and preservative in pharmaceutics and perfumery.. 2-phenylethanol : A primary alcohol that is ethanol substituted by a phenyl group at position 2. | 2.02 | 1 | 0 | benzenes;
primary alcohol | Aspergillus metabolite;
fragrance;
plant growth retardant;
plant metabolite;
Saccharomyces cerevisiae metabolite |
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. | 4.06 | 3 | 1 | 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 |
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. | 2.36 | 2 | 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 |
dimethyl sulfone
[no description available] | 2.05 | 1 | 0 | sulfone | |
threonine
Threonine: An essential amino acid occurring naturally in the L-form, which is the active form. It is found in eggs, milk, gelatin, and other proteins.. threonine : An alpha-amino acid in which one of the hydrogens attached to the alpha-carbon of glycine is substituted by a 1-hydroxyethyl group. | 2.41 | 1 | 0 | amino acid zwitterion;
aspartate family amino acid;
L-alpha-amino acid;
proteinogenic amino acid;
threonine | algal metabolite;
Escherichia coli metabolite;
human metabolite;
micronutrient;
mouse metabolite;
nutraceutical;
plant metabolite;
Saccharomyces cerevisiae metabolite |
quinoxalines
quinoxaline : A naphthyridine in which the nitrogens are at positions 1 and 4. | 1.97 | 1 | 0 | mancude organic heterobicyclic parent;
naphthyridine;
ortho-fused heteroarene | |
propylparaben
Parabens: Methyl, propyl, butyl, and ethyl esters of p-hydroxybenzoic acid. They have been approved by the FDA as antimicrobial agents for foods and pharmaceuticals. (From Hawley's Condensed Chemical Dictionary, 11th ed, p872) | 2.05 | 1 | 0 | benzoate ester;
paraben;
phenols | antifungal agent;
antimicrobial agent |
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. | 2.59 | 2 | 0 | 5-oxoproline;
L-proline derivative;
non-proteinogenic L-alpha-amino acid | algal metabolite |
3-hydroxybenzoic acid
3-hydroxybenzoic acid: RN given refers to parent cpd. 3-hydroxybenzoic acid : A monohydroxybenzoic acid that is benzoic acid substituted by a hydroxy group at position 3. It has been isolated from Taxus baccata. It is used as an intermediate in the synthesis of plasticisers, resins, pharmaceuticals, etc. | 1.99 | 1 | 0 | monohydroxybenzoic acid | bacterial metabolite;
plant metabolite |
vanillic acid
Vanillic Acid: A flavoring agent. It is the intermediate product in the two-step bioconversion of ferulic acid to vanillin. (J Biotechnol 1996;50(2-3):107-13).. vanillic acid : A monohydroxybenzoic acid that is 4-hydroxybenzoic acid substituted by a methoxy group at position 3. | 2.31 | 1 | 0 | methoxybenzoic acid;
monohydroxybenzoic acid | plant metabolite |
catechin
Catechin: An antioxidant flavonoid, occurring especially in woody plants as both (+)-catechin and (-)-epicatechin (cis) forms.. catechin : Members of the class of hydroxyflavan that have a flavan-3-ol skeleton and its substituted derivatives.. rac-catechin : A racemate comprising equimolar amounts of (+)- and (-)-catechin. (+)-catechin : The (+)-enantiomer of catechin and a polyphenolic antioxidant plant metabolite. | 5.27 | 2 | 1 | catechin | antioxidant;
plant metabolite |
4-methylcatechol
[no description available] | 2.1 | 1 | 0 | methylcatechol | antioxidant;
carcinogenic agent;
hapten;
human metabolite;
plant metabolite |
monomethyl succinate
methylsuccinic acid: RN given refers to cpd without isomeric designation. methylsuccinic acid : A racemate comprising equimolar amounts of (R)- and (S)-methylsuccinic acid. 2-methylbutanedioic acid : A dicarboxylic acid that is butanedioic acid substituted at position 2 by a methyl group. | 2.15 | 1 | 0 | dicarboxylic acid | |
4-hydroxyphenylethanol
4-hydroxyphenylethanol: in chest gland secretion of galagos. 2-(4-hydroxyphenyl)ethanol : A phenol substituted at position 4 by a 2-hydroxyethyl group. | 2.02 | 1 | 0 | phenols | anti-arrhythmia drug;
antioxidant;
cardiovascular drug;
fungal metabolite;
geroprotector;
plant metabolite;
protective agent |
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. | 2.02 | 1 | 0 | hydroxy monocarboxylic acid | plant metabolite |
4-hydroxybutyric acid
4-hydroxybutyric acid: was an entry term to Sodium Oxybate (74-98). 4-hydroxybutyric acid : A 4-hydroxy monocarboxylic acid that is butyric acid in which one of the hydrogens at position 4 is replaced by a hydroxy group. | 2.02 | 1 | 0 | 4-hydroxy monocarboxylic acid;
hydroxybutyric acid | general anaesthetic;
GHB receptor agonist;
neurotoxin;
sedative |
syringic acid
syringic acid: RN given refers to parent cpd; structure in third source. syringic acid : A dimethoxybenzene that is 3,5-dimethyl ether derivative of gallic acid. | 3.46 | 1 | 1 | benzoic acids;
dimethoxybenzene;
phenols | plant metabolite |
3-hydroxyflavone
3-hydroxyflavone: structure given in first source. flavonol : A monohydroxyflavone that is the 3-hydroxy derivative of flavone. | 2.39 | 2 | 0 | flavonols;
monohydroxyflavone | |
3-tyramine
3-tyramine: MH Tyramine refers to 4-tyramine; RN given refers to parent cpd. m-tyramine : A primary amino compound that is 2-phenylethanamine substituted by a hydroxy group at position 3. | 2.36 | 2 | 0 | primary amino compound;
tyramines | human urinary metabolite;
neurotransmitter |
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. | 2.02 | 1 | 0 | hydroxy monocarboxylic acid;
phenols | human metabolite;
mouse metabolite |
mannose
mannopyranose : The pyranose form of mannose. | 2.41 | 1 | 0 | D-aldohexose;
D-mannose;
mannopyranose | metabolite |
3-o-methylgallic acid
3-O-methylgallic acid: structure in first source. 3-O-methylgallic acid : A member of the class of benzoic acids that is gallic acid in which the phenolic hydroxy group at position 3 is converted into the corresponding methyl ether. | 4.39 | 1 | 1 | benzoic acids;
catechols | |
fructosamine
Fructosamine: An amino sugar formed when glucose non-enzymatically reacts with the N-terminal amino group of proteins. The fructose moiety is derived from glucose by the classical Amadori rearrangement. | 3.19 | 1 | 0 | | |
norleucine
Norleucine: An unnatural amino acid that is used experimentally to study protein structure and function. It is structurally similar to METHIONINE, however it does not contain SULFUR.. L-norleucine : A non-proteinogenic L-alpha-amino acid comprising hexanoic acid carrying an amino group at C-2. It does not occur naturally. | 2.41 | 1 | 0 | 2-aminohexanoic acid;
L-alpha-amino acid zwitterion;
non-proteinogenic L-alpha-amino acid | |
molindone
Molindone: An indole derivative effective in schizophrenia and other psychoses and possibly useful in the treatment of the aggressive type of undersocialized conduct disorder. Molindone has much lower affinity for D2 receptors than most antipsychotic agents and has a relatively low affinity for D1 receptors. It has only low to moderate affinity for cholinergic and alpha-adrenergic receptors. Some electrophysiologic data from animals indicate that molindone has certain characteristics that resemble those of CLOZAPINE. (From AMA Drug Evaluations Annual, 1994, p283) | 1.96 | 1 | 0 | indoles | |
deuterium
Deuterium: The stable isotope of hydrogen. It has one neutron and one proton in the nucleus. | 1.95 | 1 | 0 | dihydrogen | |
n-methylnicotinamide
N-methylnicotinamide: structure. N-methylnicotinamide : A pyridinecarboxamide that is nicotinamide in which one of the amide hydrogens is substituted by a methyl group. | 2.08 | 1 | 0 | pyridinecarboxamide | metabolite |
3-aminoisobutyric acid
3-aminoisobutyric acid: RN given refers to cpd without isomeric designation. 3-aminoisobutyric acid : A beta-amino-acid that is isobutyric acid in which one of the methyl hydrogens is substituted by an amino group. | 2.41 | 1 | 0 | amino acid zwitterion;
beta-amino acid | metabolite |
epigallocatechin gallate
epigallocatechin gallate: a steroid 5alpha-reductase inhibitor and antimutagen in green tea (Camellia sinensis). (-)-epigallocatechin 3-gallate : A gallate ester obtained by the formal condensation of gallic acid with the (3R)-hydroxy group of (-)-epigallocatechin. | 4.39 | 1 | 1 | flavans;
gallate ester;
polyphenol | antineoplastic agent;
antioxidant;
apoptosis inducer;
geroprotector;
Hsp90 inhibitor;
neuroprotective agent;
plant metabolite |
2,4-dihydroxyphenylacetic acid
[no description available] | 3.01 | 1 | 0 | | |
docarpamine
docarpamine: a dopamine prodrug; RN given refers to (S)-isomer; structure given in first source | 1.97 | 1 | 0 | organic molecular entity | |
3,4-dihydroxyphenylethanol
3,4-dihydroxyphenylethanol: serotonin metabolite; structure | 2.02 | 1 | 0 | catechols;
primary alcohol | antineoplastic agent;
antioxidant;
metabolite |
3-hydroxymandelic acid
3-hydroxymandelic acid : A 2-hydroxy monocarboxylic acid that is mandelic acid substituted by a hydroxy group at position 3'. | 1.96 | 1 | 0 | 2-hydroxy monocarboxylic acid;
phenols | human metabolite |
3-(3-hydroxyphenyl)-3-hydroxypropanoic acid
3-(3-hydroxyphenyl)-3-hydroxypropanoic acid : A dihydroxy monocarboxylic acid that is 3-hydroxypropanoic acid substituted by a 3-hydroxyphenyl group at position 3. | 2.13 | 1 | 0 | dihydroxy monocarboxylic acid;
phenols | human urinary metabolite |
procyanidin
Proanthocyanidins: Dimers and oligomers of flavan-3-ol units (CATECHIN analogs) linked mainly through C4 to C8 bonds to leucoanthocyanidins. They are structurally similar to ANTHOCYANINS but are the result of a different fork in biosynthetic pathways. | 3.01 | 1 | 0 | proanthocyanidin | |
valerates
Valerates: Derivatives of valeric acid, including its salts and esters. | 3.01 | 1 | 0 | short-chain fatty acid anion;
straight-chain saturated fatty acid anion | plant metabolite |
procyanidin b2
procyanidin B2 : A proanthocyanidin consisting of two molecules of (-)-epicatechin joined by a bond between positions 4 and 8' in a beta-configuration. Procyanidin B2 can be found in Cinchona pubescens (Chinchona, in the rind, bark and cortex), in Cinnamomum verum (Ceylon cinnamon, in the rind, bark and cortex), in Crataegus monogyna (Common hawthorn, in the flower and blossom), in Uncaria guianensis (Cat's claw, in the root), in Vitis vinifera (Common grape vine, in the leaf), in Litchi chinensis (litchi, in the pericarp), in the apple, in Ecdysanthera utilis and in red wine. | 3.01 | 1 | 0 | biflavonoid;
hydroxyflavan;
polyphenol;
proanthocyanidin | antioxidant;
metabolite |
proanthocyanidin a2
procyanidin A2: structure in first source. proanthocyanidin A2 : A proanthocyanidin obtained by the condensation of (-)-epicatechin units. | 3.01 | 1 | 0 | hydroxyflavan;
proanthocyanidin | angiogenesis modulating agent;
anti-HIV agent;
antioxidant;
metabolite |
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. | 2.41 | 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 |
4-hydroxyhippuric acid
p-hydroxyhippuric acid : An N-acylglycine that is the 4-hydroxy derivative of hippuric acid. | 2.05 | 1 | 0 | N-acylglycine | human blood serum 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. | 2.44 | 2 | 0 | (dihydroxyphenyl)propanoic acid | antioxidant;
human xenobiotic metabolite |
naringenin
(S)-naringenin : The (S)-enantiomer of naringenin. | 2.46 | 2 | 0 | (2S)-flavan-4-one;
naringenin | expectorant;
plant metabolite |
eriodictyol
eriodictyol: structure. eriodictyol : A tetrahydroxyflavanone that is flavanone substituted by hydroxy groups at positions 5, 7, 3' and 4' respectively. | 2.1 | 1 | 0 | 3'-hydroxyflavanones;
tetrahydroxyflavanone | |
ferulic acid
ferulate : A monocarboxylic acid anion obtained by the deprotonation of the carboxy group of ferulic acid. | 2.1 | 1 | 0 | ferulic acids | anti-inflammatory agent;
antioxidant;
apoptosis inhibitor;
cardioprotective agent;
MALDI matrix material;
plant metabolite |
3-hydroxyhippuric acid
3-hydroxyhippuric acid: a kynureninase inhibitor; structure in first source. m-hydroxyhippuric acid : An N-acylglycine that is hippuric acid (N-benzoylglycine) substituted at position 3 on the phenyl ring by a hydroxy group. | 3.89 | 2 | 1 | N-acylglycine;
phenols | metabolite |
glycosides
[no description available] | 2.41 | 1 | 0 | | |
caffeic acid
trans-caffeic acid : The trans-isomer of caffeic acid. | 2.46 | 2 | 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. | 2.1 | 1 | 0 | alkyl caffeate ester;
methyl ester | |
D-fructopyranose
[no description available] | 2.11 | 1 | 0 | cyclic hemiketal;
D-fructose;
fructopyranose | sweetening agent |
quercetin 3-o-glucuronide
quercetin 3-O-glucuronide: structure in first source. miquelianin : A quercetin O-glycoside that consists of quercetin attached to a beta-D-glucuronopyranosyl moiety at position 3 via a glycosidic linkage. Isolated from Salvia and Phaseolus vulgaris, it exhibits antioxidant and antidepressant activities. | 2.1 | 1 | 0 | beta-D-glucosiduronic acid;
quercetin O-glycoside | antidepressant;
antioxidant;
metabolite |
quercetin
[no description available] | 3.45 | 7 | 0 | 7-hydroxyflavonol;
pentahydroxyflavone | antibacterial agent;
antineoplastic agent;
antioxidant;
Aurora kinase inhibitor;
chelator;
EC 1.10.99.2 [ribosyldihydronicotinamide dehydrogenase (quinone)] inhibitor;
geroprotector;
phytoestrogen;
plant metabolite;
protein kinase inhibitor;
radical scavenger |
dinoprostone
prostaglandin E2 : Prostaglandin F2alpha in which the hydroxy group at position 9 has been oxidised to the corresponding ketone. Prostaglandin E2 is the most common and most biologically potent of mammalian prostaglandins. | 2.47 | 2 | 0 | prostaglandins E | human metabolite;
mouse metabolite;
oxytocic |
apigenin
Chamomile: Common name for several daisy-like plants (MATRICARIA; TRIPLEUROSPERMUM; ANTHEMIS; CHAMAEMELUM) native to Europe and Western Asia, now naturalized in the United States and Australia. | 2.1 | 1 | 0 | trihydroxyflavone | antineoplastic agent;
metabolite |
luteolin
[no description available] | 2.1 | 1 | 0 | 3'-hydroxyflavonoid;
tetrahydroxyflavone | angiogenesis inhibitor;
anti-inflammatory agent;
antineoplastic agent;
apoptosis inducer;
c-Jun N-terminal kinase inhibitor;
EC 2.3.1.85 (fatty acid synthase) inhibitor;
immunomodulator;
nephroprotective agent;
plant metabolite;
radical scavenger;
vascular endothelial growth factor receptor antagonist |
rutin
Hydroxyethylrutoside: Monohydroxyethyl derivative of rutin. Peripheral circulation stimulant used in treatment of venous disorders. | 2.15 | 1 | 0 | disaccharide derivative;
quercetin O-glucoside;
rutinoside;
tetrahydroxyflavone | antioxidant;
metabolite |
kaempferol
[no description available] | 2.1 | 1 | 0 | 7-hydroxyflavonol;
flavonols;
tetrahydroxyflavone | antibacterial agent;
geroprotector;
human blood serum metabolite;
human urinary metabolite;
human xenobiotic metabolite;
plant metabolite |
3-methylquercetin
isorhamnetin : A monomethoxyflavone that is quercetin in which the hydroxy group at position 3' is replaced by a methoxy group. | 2.1 | 1 | 0 | 7-hydroxyflavonol;
monomethoxyflavone;
tetrahydroxyflavone | anticoagulant;
EC 1.14.18.1 (tyrosinase) inhibitor;
metabolite |
methyl ferulate
methyl ferulate: inhibits LDL oxidation; isolated from Chrysanthemum coronarium; structure in first source. trans-methylferulate : A cinnamate ester that is the methyl ester of ferulic acid. It has been isolated from Pisonia aculeata. | 2.1 | 1 | 0 | cinnamate ester;
guaiacols;
methyl ester | plant metabolite |
3-tyrosine
3-tyrosine: RN given refers to cpd with unspecified isomeric designation. L-m-tyrosine : A hydroxyphenylalanine that is L-phenylalanine with a substituent hydroxy group at position 3. | 1.96 | 1 | 0 | hydroxyphenylalanine;
L-alpha-amino acid zwitterion;
L-phenylalanine derivative;
non-proteinogenic L-alpha-amino acid;
phenols | plant metabolite |
procyanidin b1
procyanidin B1 : A proanthocyanidin consisting of (-)-epicatechin and (+)-catechin units joined by a bond between positions 4 and 8' respectively in a beta-configuration.. Procyanidin B1 can be found in Cinnamomum verum (Ceylon cinnamon, in the rind, bark or cortex), in Uncaria guianensis (cat's claw, in the root), and in Vitis vinifera (common grape vine, in the leaf) or in peach. | 2.1 | 1 | 0 | biflavonoid;
hydroxyflavan;
polyphenol;
proanthocyanidin | anti-inflammatory agent;
EC 3.4.21.5 (thrombin) inhibitor;
metabolite |
butaclamol
Butaclamol: A benzocycloheptapyridoisoquinolinol that has been used as an antipsychotic, especially in schizophrenia. | 1.96 | 1 | 0 | | |