Substance | Relationship Strength | Studies | Trials | Classes | Roles |
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. | 3.04 | 4 | 0 | monocarboxylic acid | antimicrobial food preservative; Daphnia magna metabolite; food acidity regulator; protic solvent |
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. | 3.31 | 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 |
acetoin [no description available] | 2.05 | 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 |
benzyl alcohol Benzyl Alcohol: A colorless liquid with a sharp burning taste and slight odor. It is used as a local anesthetic and to reduce pain associated with LIDOCAINE injection. Also, it is used in the manufacture of other benzyl compounds, as a pharmaceutic aid, and in perfumery and flavoring.. hydroxytoluene : Any member of the class of toluenes carrying one or more hydroxy substituents.. benzyl alcohol : An aromatic alcohol that consists of benzene bearing a single hydroxymethyl substituent.. aromatic alcohol : Any alcohol in which the alcoholic hydroxy group is attached to a carbon which is itself bonded to an aromatic ring.. aromatic primary alcohol : Any primary alcohol in which the alcoholic hydroxy group is attached to a carbon which is itself bonded to an aromatic ring. | 2.94 | 4 | 0 | benzyl alcohols | antioxidant; fragrance; metabolite; solvent |
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. | 2.11 | 1 | 0 | butanediol; glycol; secondary alcohol | |
1-butanol 1-Butanol: A four carbon linear hydrocarbon that has a hydroxy group at position 1.. butan-1-ol : A primary alcohol that is butane in which a hydrogen of one of the methyl groups is substituted by a hydroxy group. It it produced in small amounts in humans by the gut microbes. | 2.03 | 1 | 0 | alkyl alcohol; primary alcohol; short-chain primary fatty alcohol | human metabolite; mouse metabolite; protic solvent |
octanoic acid octanoic acid: RN given refers to parent cpd; structure in Merck Index, 9th ed, #1764. octanoic acid : A straight-chain saturated fatty acid that is heptane in which one of the hydrogens of a terminal methyl group has been replaced by a carboxy group. Octanoic acid is also known as caprylic acid. | 2.1 | 1 | 0 | medium-chain fatty acid; straight-chain saturated fatty acid | antibacterial agent; Escherichia coli metabolite; human metabolite |
guaiacol Guaiacol: An agent thought to have disinfectant properties and used as an expectorant. (From Martindale, The Extra Pharmacopoeia, 30th ed, p747). methylcatechol : Any member of the class of catechols carrying one or more methyl substituents.. guaiacol : A monomethoxybenzene that consists of phenol with a methoxy substituent at the ortho position. | 2.1 | 1 | 0 | guaiacols | disinfectant; EC 1.1.1.25 (shikimate dehydrogenase) inhibitor; expectorant; plant 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. | 2.52 | 2 | 0 | 2-hydroxy monocarboxylic acid | algal metabolite; Daphnia magna 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. | 2.05 | 1 | 0 | alpha-diketone | Escherichia coli metabolite; Saccharomyces cerevisiae metabolite |
glycine [no description available] | 2.17 | 1 | 0 | alpha-amino acid; amino acid zwitterion; proteinogenic amino acid; serine family amino acid | EC 2.1.2.1 (glycine hydroxymethyltransferase) inhibitor; fundamental metabolite; hepatoprotective agent; micronutrient; neurotransmitter; NMDA receptor agonist; nutraceutical |
glycerol Moon: The natural satellite of the planet Earth. It includes the lunar cycles or phases, the lunar month, lunar landscapes, geography, and soil. | 2.81 | 3 | 0 | alditol; triol | algal metabolite; detergent; Escherichia coli metabolite; geroprotector; human metabolite; mouse metabolite; osmolyte; Saccharomyces cerevisiae metabolite; solvent |
phenylacetaldehyde [no description available] | 3.31 | 1 | 0 | alpha-CH2-containing aldehyde; phenylacetaldehydes | Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
propionic acid propionic acid : A short-chain saturated fatty acid comprising ethane attached to the carbon of a carboxy group. | 2.05 | 1 | 0 | saturated fatty acid; short-chain fatty acid | antifungal drug |
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. | 2.17 | 1 | 0 | alpha,omega-dicarboxylic acid; C4-dicarboxylic acid | anti-ulcer drug; fundamental metabolite; micronutrient; nutraceutical; radiation protective agent |
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. | 2.45 | 2 | 0 | aminonaphthalene; naphthalenesulfonic acid | fluorescent probe |
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. | 2.17 | 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 |
serine Serine: A non-essential amino acid occurring in natural form as the L-isomer. It is synthesized from GLYCINE or THREONINE. It is involved in the biosynthesis of PURINES; PYRIMIDINES; and other amino acids.. serine : An alpha-amino acid that is alanine substituted at position 3 by a hydroxy group. | 2.17 | 1 | 0 | L-alpha-amino acid; proteinogenic amino acid; serine family amino acid; serine zwitterion; serine | algal metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae 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. | 6.98 | 37 | 0 | benzenes; primary alcohol | Aspergillus metabolite; fragrance; plant growth retardant; plant metabolite; Saccharomyces cerevisiae metabolite |
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. | 4.44 | 6 | 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 |
mannitol [no description available] | 2.17 | 1 | 0 | mannitol | allergen; antiglaucoma drug; compatible osmolytes; Escherichia coli metabolite; food anticaking agent; food bulking agent; food humectant; food stabiliser; food thickening agent; hapten; metabolite; osmotic diuretic; sweetening agent |
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. | 2.8 | 3 | 0 | pentanol; short-chain primary fatty alcohol | human metabolite; plant metabolite |
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. | 2.17 | 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 |
isoleucine Isoleucine: An essential branched-chain aliphatic amino acid found in many proteins. It is an isomer of LEUCINE. It is important in hemoglobin synthesis and regulation of blood sugar and energy levels.. isoleucine : A 2-amino-3-methylpentanoic acid having either (2R,3R)- or (2S,3S)-configuration.. L-isoleucine : The L-enantiomer of isoleucine. | 2.17 | 1 | 0 | aspartate family amino acid; isoleucine; L-alpha-amino acid zwitterion; L-alpha-amino acid; proteinogenic amino acid | algal metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; plant metabolite; Saccharomyces cerevisiae metabolite |
isoprene isoprene: used in manufacture of ''synthetic'' rubber, butyl rubber; copolymer in production of elastomers; structure. isoprene : A hemiterpene with the formula CH2=C(CH3)CH=CH2; the monomer of natural rubber and a common structure motif to the isoprenoids, a large class of other naturally occurring compounds. | 2.6 | 1 | 0 | alkadiene; hemiterpene; volatile organic compound | plant metabolite |
isobutyl alcohol isobutyl alcohol: RN given refers to parent cpd | 2.03 | 1 | 0 | alkyl alcohol; primary alcohol | Saccharomyces cerevisiae metabolite |
1-phenylpropanol 1-phenylpropanol: structure in first source | 2.03 | 1 | 0 | organic molecular entity | |
2-methylbutanal 2-methylbutanal: structure in first source. 2-methylbutanal : A methylbutanal in which the methyl substituent is at position 2. | 3.31 | 1 | 0 | 2-methyl-branched fatty aldehyde; methylbutanal | plant metabolite; Saccharomyces cerevisiae metabolite; volatile oil component |
ethyl 2-methylpropanoate ethyl isobutyrate : A fatty acid ethyl ester obtained by the formal condensation of isobutyric acid with ethanol. | 2.07 | 1 | 0 | fatty acid ethyl ester | plant metabolite |
ethyl lactate ethyl lactate: RN given refers to cpd with unspecified isomeric designation. ethyl 2-hydroxypropanoate : The ethyl ester obtained of 2-hydroxypropanoic acid. | 2.07 | 1 | 0 | ethyl ester; lactate ester; secondary alcohol | metabolite |
ethyl phenylacetate [no description available] | 2.17 | 1 | 0 | benzenes | |
ethyl caprylate ethyl octanoate : A fatty acid ethyl ester resulting from the formal condensation of octanoic acid with ethanol. | 2.21 | 1 | 0 | fatty acid ethyl ester; octanoate ester | metabolite |
pentane Pentanes: Five-carbon saturated hydrocarbon group of the methane series. Include isomers and derivatives.. pentane : A straight chain alkane consisting of 5 carbon atoms. | 2.08 | 1 | 0 | alkane; volatile organic compound | non-polar solvent; refrigerant |
ethyl decanoate ethyl decanoate : A fatty acid ethyl ester of decanoic acid. | 2.11 | 1 | 0 | decanoate ester; fatty acid ethyl ester | metabolite |
2-octanone 2-octanone : A methyl ketone that is octane substituted by an oxo group at position 2. | 2.6 | 1 | 0 | methyl ketone | metabolite |
octyl acetate octyl acetate : The acetate ester of octan-1-ol. | 2.03 | 1 | 0 | acetate ester | plant metabolite |
2-methylbutanoic acid 2-methylbutanoic acid: RN given refers to parent cpd without isomeric designation. 2-methylbutyric acid : A methylbutyric acid comprising a butyric acid core carrying a 2-methyl substituent. Produced from amino acid leucine during nutrient starvation in bacteria. | 2.1 | 1 | 0 | methylbutyric acid | bacterial metabolite; human metabolite |
benzyl acetate benzyl acetate : The acetate ester of benzyl alcohol. | 2.71 | 3 | 0 | acetate ester; benzyl ester | metabolite |
ethyl acetate ethyl acetate : The acetate ester formed between acetic acid and ethanol. | 3 | 4 | 0 | acetate ester; ethyl ester; volatile organic compound | EC 3.4.19.3 (pyroglutamyl-peptidase I) inhibitor; metabolite; polar aprotic solvent; Saccharomyces cerevisiae metabolite |
hexanoic acid hexanoic acid : A C6, straight-chain saturated fatty acid. | 2.1 | 1 | 0 | medium-chain fatty acid; straight-chain saturated fatty acid | human metabolite; plant metabolite |
citronellyl acetate citronellyl acetate: RN given refers to cpd without isomeric designation. citronellol acetate : A monoterpenoid that is the acetate ester of citronellol. It has been isolated from Citrus hystrix. | 2.21 | 1 | 0 | acetate ester; monoterpenoid | plant metabolite |
decan-4-olide gamma-decalactone : A gamma-lactone that is oxolan-2-one substituted by a hexyl group at position 5. | 2.15 | 1 | 0 | gamma-lactone; tetrahydrofuranone | anticonvulsant; flavouring agent; food additive |
mannose mannopyranose : The pyranose form of mannose. | 2.17 | 1 | 0 | D-aldohexose; D-mannose; mannopyranose | metabolite |
sulcatol sulcatol: population aggregation pheromone in scolytid beetle Gnathotricus sulcatus; RN given refers to cpd without isomeric designation; structure | 2.6 | 1 | 0 | secondary alcohol | pheromone |
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 |
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. | 6.98 | 37 | 0 | benzenes; phenyl acetates | |
4-ethylphenol 4-ethylphenol: RN given refers to parent cpd. 4-ethylphenol : A member of the class of phenols carrying an ethyl substituent at position 4. | 2.1 | 1 | 0 | phenols | fungal xenobiotic 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. | 2.83 | 3 | 0 | alkyl alcohol; primary alcohol; volatile organic compound | antifungal agent; Saccharomyces cerevisiae metabolite; xenobiotic metabolite |
isoamyl acetate isoamyl acetate: structure in Merck, 9th ed, #4958. isoamyl acetate : The acetate ester of isoamylol. | 2.69 | 2 | 0 | acetate ester | metabolite; Saccharomyces cerevisiae metabolite |
nonanal nonanal : A saturated fatty aldehyde formally arising from reduction of the carboxy group of nonanoic acid. Metabolite observed in cancer metabolism. | 2.25 | 1 | 0 | medium-chain fatty aldehyde; n-alkanal; saturated fatty aldehyde | human metabolite; plant metabolite |
glutamic acid Glutamic Acid: A non-essential amino acid naturally occurring in the L-form. Glutamic acid is the most common excitatory neurotransmitter in the CENTRAL NERVOUS SYSTEM.. glutamic acid : An alpha-amino acid that is glutaric acid bearing a single amino substituent at position 2. | 2.17 | 1 | 0 | glutamic acid; glutamine family amino acid; L-alpha-amino acid; proteinogenic amino acid | Escherichia coli metabolite; ferroptosis inducer; micronutrient; mouse metabolite; neurotransmitter; nutraceutical |
4-ethylguaiacol 4-ethylguaiacol: a constituent of wood creosote; suppresses intestinal smooth muscle contraction | 2.1 | 1 | 0 | methoxybenzenes; phenols | |
arabitol arabitol: RN given refers to cpd without isomeric designation. arabinitol : A pentitol that is the sugar alcohol produced by the reduction of arabinose or lyxose. It is found in serum or urine of human infected with Candida albicans.. D-arabinitol : The D-enantiomer of arabinitol. | 2.17 | 1 | 0 | arabinitol | |
caprylates Caprylates: Derivatives of caprylic acid. Included under this heading are a broad variety of acid forms, salts, esters, and amides that contain a carboxy terminated eight carbon aliphatic structure.. octanoate : A straight-chain saturated fatty acid anion that is the conjugate base of octanoic acid (caprylic acid); believed to block adipogenesis. | 2.54 | 2 | 0 | fatty acid anion 8:0; straight-chain saturated fatty acid anion | human metabolite; Saccharomyces cerevisiae 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. | 2.17 | 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 |
geranyl acetate geranyl acetate: constituted about 90% of the palmarosa oil. geranyl acetate : A monoterpenoid that is the acetate ester derivative of geraniol. | 2.48 | 2 | 0 | acetate ester; monoterpenoid | plant metabolite |
geranylacetone geranyl acetone : A monoterpene ketone in which an (E)-geranyl group is bonded to one of the alpha-methyls of acetone. It is a component of essential oils from various plants including Nelumbo nucifera. | 2.6 | 1 | 0 | monoterpene ketone | flavouring agent; fragrance; plant metabolite; volatile oil component |
D-fructopyranose [no description available] | 2.17 | 1 | 0 | cyclic hemiketal; D-fructose; fructopyranose | sweetening agent |
2-octenal 2-octenal: RN given refers to cpd without isomeric designation. (E)-oct-2-enal : The (E)-isomer of oct-2-enal.. oct-2-enal : An enal consisting of oct-2-ene having an oxo group at the 1-position. | 2.25 | 1 | 0 | oct-2-enal | antifungal agent; volatile oil component |
cellulose DEAE-Cellulose: Cellulose derivative used in chromatography, as ion-exchange material, and for various industrial applications. | 2.59 | 2 | 0 | glycoside | |