| Substance | Relationship Strength | Studies | Trials | Classes | Roles |
|---|
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. | 3.91 | 3 | 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 |
acetoin
[no description available] | 2.07 | 1 | 0 | methyl ketone;
secondary alpha-hydroxy ketone | metabolite |
benzaldehyde
[no description available] | 3.31 | 1 | 0 | benzaldehydes | EC 3.1.1.3 (triacylglycerol lipase) inhibitor;
EC 3.5.5.1 (nitrilase) inhibitor;
flavouring agent;
fragrance;
odorant receptor agonist;
plant metabolite |
butyraldehyde
[no description available] | 2 | 1 | 0 | butanals | biomarker;
Escherichia coli metabolite;
mouse 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. | 2.05 | 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. | 2.07 | 1 | 0 | fatty acid 4:0;
straight-chain saturated fatty acid | human urinary metabolite;
Mycoplasma genitalium 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. | 2.11 | 1 | 0 | tricarboxylic acid | antimicrobial agent;
chelator;
food acidity regulator;
fundamental metabolite |
caprylic aldehyde
caprylic aldehyde: structure in Merck Index, 9th ed, #1765. octanal : A saturated fatty aldehyde formally arising from reduction of the carboxy group of caprylic acid (octanoic acid). | 2.31 | 1 | 0 | medium-chain fatty aldehyde;
n-alkanal;
saturated fatty aldehyde | plant metabolite |
propionaldehyde
propionaldehyde: may cause respiratory irritation; RN given refers to parent cpd; structure. propanal : An aldehyde that consists of ethane bearing a formyl substituent. The parent of the class of propanals. | 2 | 1 | 0 | alpha-CH2-containing aldehyde;
propanals | Escherichia coli metabolite |
diacetyl
butane-2,3-dione : An alpha-diketone that is butane substituted by oxo groups at positions 2 and 3. It is a metabolite produced during the malolactic fermentation. | 2.07 | 1 | 0 | alpha-diketone | Escherichia coli metabolite;
Saccharomyces cerevisiae metabolite |
phenylacetaldehyde
[no description available] | 3.91 | 3 | 0 | alpha-CH2-containing aldehyde;
phenylacetaldehydes | Escherichia coli metabolite;
human metabolite;
mouse metabolite;
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. | 2.1 | 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. | 2.1 | 1 | 0 | D-galactose;
galactopyranose | Escherichia coli metabolite;
mouse metabolite |
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. | 3.31 | 1 | 0 | benzenes;
primary alcohol | Aspergillus metabolite;
fragrance;
plant growth retardant;
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. | 2.1 | 1 | 0 | lactose | |
n-hexanal
[no description available] | 3.36 | 6 | 0 | medium-chain fatty aldehyde;
n-alkanal;
saturated fatty aldehyde | human urinary metabolite |
n-pentanol
n-pentanol: RN given refers to parent cpd. pentan-1-ol : A short-chain primary fatty alcohol that is pentane in which a hydrogen of one of the methyl groups is substituted by a hydroxy group. It has been isolated from Melicope ptelefolia. | 2.77 | 3 | 0 | pentanol;
short-chain primary fatty alcohol | human metabolite;
plant metabolite |
methyl bromide
methyl bromide: used in ionization chambers, degreasing wool, extracting oils; insect fumigant; high concentrations can produce pulmonary edema,narcosis; chronic exposure can cause CNS depression,kidney injury; RN given refers to parent cpd; structure. bromomethane : A one-carbon compound in which the carbon is attached by single bonds to three hydrogen atoms and one bromine atom. It is produced naturally by marine algae. | 2 | 1 | 0 | bromohydrocarbon;
bromomethanes;
methyl halides | algal metabolite;
fumigant insecticide;
marine metabolite |
tert-amyl alcohol
2-methylbutan-2-ol : A tertiary alcohol that is propan-1-ol in which both of the hydrogens at position 1 have been replaced by methyl groups. | 2.11 | 1 | 0 | aliphatic alcohol;
tertiary alcohol | protic solvent |
isobutyraldehyde
isobutyraldehyde : A member of the class of propanals that is propanal substituted by a methyl group at position 2. | 3.02 | 4 | 0 | 2-methyl-branched fatty aldehyde;
propanals | Saccharomyces cerevisiae metabolite |
methylethyl ketone
methylethyl ketone: solvent; colorless synthetic resins, smokeless powders; may be irritating to eyes, mucous membranes; may be toxic in high concentrations; structure. butanone : Any ketone that is butane substituted by an oxo group at unspecified position.. butan-2-one : A dialkyl ketone that is a four-carbon ketone carrying a single keto- group at position C-2. | 2.41 | 1 | 0 | butanone;
dialkyl ketone;
methyl ketone;
volatile organic compound | bacterial metabolite;
polar aprotic solvent |
alpha-pinene
[no description available] | 2.21 | 1 | 0 | pinene | plant metabolite |
furaldehyde
Furaldehyde: A heterocyclic compound consisting of a furan where the hydrogen at position 2 is substituted by a formyl group.. furfural : An aldehyde that is furan with the hydrogen at position 2 substituted by a formyl group. | 2.21 | 1 | 0 | aldehyde;
furans | Maillard reaction product;
metabolite |
2-phenylethyl acetate
phenethyl acetate : The acetate ester of 2-phenylethanol. | 3.31 | 1 | 0 | acetate ester | metabolite;
Saccharomyces cerevisiae metabolite |
2-ethylhexanol
[no description available] | 2.11 | 1 | 0 | primary alcohol | plant metabolite;
volatile oil component |
ethyl butyrate
ethyl butyrate : A butyrate ester resulting from the formal condensation of the hydroxy group of ethanol with the carboxy group of butyric acid. | 2.07 | 1 | 0 | butyrate ester | plant metabolite |
2-pentanone
pentanone : Any ketone that is pentane substituted by an oxo group at unspecified position. | 2.41 | 1 | 0 | methyl ketone;
pentanone | plant metabolite |
pentanal
pentanal : A saturated fatty aldehyde composed from five carbons in a straight chain. | 2 | 1 | 0 | saturated fatty aldehyde | plant metabolite |
2-octanone
2-octanone : A methyl ketone that is octane substituted by an oxo group at position 2. | 2.21 | 1 | 0 | methyl ketone | metabolite |
1-hexanol
1-hexanol: RN given refers to parent cpd. hexanol : A fatty alcohol consisting of a hydroxy function at any position of an unbranched saturated chain of six carbon atoms.. hexan-1-ol : A primary alcohol that is hexane substituted by a hydroxy group at position 1. | 2.11 | 1 | 0 | hexanol;
primary alcohol | alarm pheromone;
antibacterial agent;
fragrance;
plant metabolite |
heptanol
Heptanol: A colorless liquid with a fragrant odor. It is used as an intermediate, solvent and in cosmetics.. heptanol : A fatty alcohol consisting of a hydroxy function at any position of an unbranched saturated chain of seven carbon atoms.. heptan-1-ol : A primary alcohol that is heptane substituted by a hydroxy group at position 1. It has been isolated from Capillipedium parviflorum. | 2.05 | 1 | 0 | heptanol;
primary alcohol | flavouring agent;
fragrance;
gap junctional intercellular communication inhibitor;
plant metabolite |
heptanal
heptanal : An n-alkanal resulting from the oxidation of the alcoholic hydroxy group of heptan-1-ol to the corresponding aldehyde. An endogenous aldehyde coming from membrane lipid oxidation, it is found in the blood of lung cancer patients and has been regarded as a potential biomarker of lung cancer. | 2 | 1 | 0 | medium-chain fatty aldehyde;
n-alkanal;
saturated fatty aldehyde | biomarker |
2-methylbutanol
2-methylbutanol: fragrance; structure in first source. 2-methylbutan-1-ol : A primary alcohol that is isopentane substituted by a hydroxy group at position 1. | 2.07 | 1 | 0 | alkyl alcohol;
primary alcohol | Saccharomyces cerevisiae metabolite |
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. | 2.21 | 1 | 0 | diazine;
pyrazines | Daphnia magna metabolite |
hydrazine
diamine : Any polyamine that contains two amino groups. | 2.1 | 1 | 0 | azane;
hydrazines | EC 4.3.1.10 (serine-sulfate ammonia-lyase) inhibitor |
isovalerylaldehyde
isovalerylaldehyde: structure in Merck Index, 9th ed, #5093. 3-methylbutanal : A methylbutanal that is butanal substituted by a methyl group at position 3. It occurs as a volatile constituent in olives. | 3.74 | 9 | 0 | methylbutanal | flavouring agent;
plant metabolite;
Saccharomyces cerevisiae metabolite;
volatile oil component |
methyl n-butyl ketone
Methyl n-Butyl Ketone: An industrial solvent which causes nervous system degeneration. MBK is an acronym often used to refer to it.. hexanone : A ketone that is a hexane carrying an oxo substituent at unspecified position. | 2.41 | 1 | 0 | ketone | |
dimethyl disulfide
[no description available] | 2.21 | 1 | 0 | organic disulfide | xenobiotic metabolite |
2-nonanone
2-nonanone: RN given refers to cpd with locant for oxo moiety in position 2. nonanone : Any ketone that is nonane substituted by an oxo group at unspecified position.. nonan-2-one : A methyl ketone that is nonane in which the methylene hydrogens at position 2 are replaced by an oxo group. | 2.21 | 1 | 0 | methyl ketone | plant metabolite |
beta-pinene
beta-pinene: alpha-pinene is also available. beta-pinene : An isomer of pinene with an exocyclic double bond. It is a component of essential oils from many plants. | 2.21 | 1 | 0 | pinene | plant metabolite |
1-octen-3-ol
1-octen-3-ol: main flavor component of mushrooms; RN given refers to cpd without isomeric designation; bait for insect vectors (tsetse, sandflies, mosquitoes). oct-1-en-3-ol : An alkenyl alcohol with a structure based on a C8 unbranched chain with the hydroxy group at C-2 and unsaturation at C-1-C-2. It is a major volatile compound present in many mushrooms and fungi. | 2.21 | 1 | 0 | alkenyl alcohol;
medium-chain fatty alcohol | antimicrobial agent;
fungal metabolite;
insect attractant;
volatile oil component |
limonene
Limonene: A naturally-occurring class of MONOTERPENES which occur as a clear colorless liquid at room temperature. Limonene is the major component in the oil of oranges which has many uses, including as flavor and fragrance. It is recognized as safe in food by the Food and Drug Administration (FDA).. limonene : A monoterpene that is cyclohex-1-ene substituted by a methyl group at position 1 and a prop-1-en-2-yl group at position 4 respectively. | 3.31 | 1 | 0 | cycloalkene;
p-menthadiene | human metabolite |
ozone
Ozone: The unstable triatomic form of oxygen, O3. It is a powerful oxidant that is produced for various chemical and industrial uses. Its production is also catalyzed in the ATMOSPHERE by ULTRAVIOLET RAY irradiation of oxygen or other ozone precursors such as VOLATILE ORGANIC COMPOUNDS and NITROGEN OXIDES. About 90% of the ozone in the atmosphere exists in the stratosphere (STRATOSPHERIC OZONE).. ozone : An elemental molecule with formula O3. An explosive, pale blue gas (b.p. -112degreeC) that has a characteristic, pungent odour, it is continuously produced in the upper atmosphere by the action of solar ultraviolet radiation on atmospheric oxygen. It is an antimicrobial agent used in the production of bottled water, as well as in the treatment of meat, poultry and other foodstuffs. | 2.05 | 1 | 0 | elemental molecule;
gas molecular entity;
reactive oxygen species;
triatomic oxygen | antiseptic drug;
disinfectant;
electrophilic reagent;
greenhouse gas;
mutagen;
oxidising agent;
tracer |
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. | 3.31 | 1 | 0 | benzenes;
phenyl acetates | |
4-heptanone
4-heptanone: marker in diabetes mellitus urine. 4-heptanone : A dialkyl ketone that is heptane in which the two methylene protons at position 4 have been replaced by an oxo group. | 2.13 | 1 | 0 | dialkyl ketone | biomarker;
human urinary metabolite;
human xenobiotic metabolite;
rat metabolite |
isopentyl alcohol
isopentyl alcohol: RN given refers to unlabeled parent cpd. isoamylol : An primary alcohol that is butan-1-ol in which a hydrogen at position 3 has been replaced by a methyl group. | 2.11 | 1 | 0 | alkyl alcohol;
primary alcohol;
volatile organic compound | antifungal agent;
Saccharomyces cerevisiae metabolite;
xenobiotic metabolite |
nonanal
nonanal : A saturated fatty aldehyde formally arising from reduction of the carboxy group of nonanoic acid. Metabolite observed in cancer metabolism. | 2.57 | 2 | 0 | medium-chain fatty aldehyde;
n-alkanal;
saturated fatty aldehyde | human metabolite;
plant metabolite |
3-methyl-2-butenal
3-methylbut-2-enal : An enal consisting of but-2-ene with a methyl substituent at position 3 and an oxo group at position 1. | 2 | 1 | 0 | enal | metabolite |
1-octen-3-one
1-octen-3-one: structure in first source | 2.21 | 1 | 0 | olefinic compound | |
florox reagent
Florox Reagent: reagent for analysis of ketosteroids; structure | 2.13 | 1 | 0 | | |
beta-ionone
beta-ionone: stimulator of carotenogenesis; carotenoid inhibitor; intermediate in synthesis of Vit A; RN given refers to cpd without isomeric designation; structure. beta-ionone : An ionone that is but-3-en-2-one substituted by a 2,6,6-trimethylcyclohex-1-en-1-yl group at position 4. | 2.31 | 1 | 0 | ionone | antioxidant;
fragrance |
2-hexenal, z-isomer
2-hexenal: product of lipid peroxidation in the rat liver; a green odor chemical; do not confuse with the hexabarbital synonym, hexenal; RN given refers to cpd without isomeric designation. 2-hexenal : A hexenal having the double bond at the 2-position.. (2E)-hexenal : A 2-hexenal in which the olefinic double bond has E configuration. It occurs naturally in a wide range of fruits, vegetables, and spices. | 2 | 1 | 0 | 2-hexenal | antibacterial agent;
flavouring agent;
plant metabolite |
4-hydroxy-2-nonenal
4-hydroxy-2-nonenal: cytotoxic product from peroxidation of liver microsomal lipids; RN given refers to cpd without isomeric designation. 4-hydroxynon-2-enal : An enal consisting of non-2-ene having an oxo group at the 1-position and a hydroxy group at the 4-position.. 4-hydroxynonenal : A monounsaturated fatty aldehyde that is nonanal that has undergone dehydrogenation to introduce a double bond at any position in the aliphatic chain and in which a hydrogen at position 4 has been replaced by a hydroxy group. | 2.13 | 1 | 0 | 4-hydroxynon-2-enal;
4-hydroxynonenal | |
2-pentenal
2-pentenal: RN given refers to cpd without isomeric designation. 2-pentenal : An enal consisting of pent-2-ene having an oxo group at the 1-position. (E)-2-pentenal : A 2-pentenal in which the double bond has (E)-configuration. It is found in cigarette smoke, virgin olive oil, and milk. | 2 | 1 | 0 | 2-pentenal | plant metabolite |
ribose
ribopyranose : The pyranose form of ribose. | 2.11 | 1 | 0 | D-ribose;
ribopyranose | |
furosine
[no description available] | 2.1 | 1 | 0 | alpha-amino acid | |
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. | 2.21 | 1 | 0 | ascorbic acid;
vitamin C | coenzyme;
cofactor;
flour treatment agent;
food antioxidant;
food colour retention agent;
geroprotector;
plant metabolite;
skin lightening agent |