| Substance | Relationship Strength | Studies | Trials | Classes | Roles |
|---|
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. | 2.06 | 1 | 0 | fatty acid 4:0;
straight-chain saturated fatty acid | human urinary metabolite;
Mycoplasma genitalium 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). | 2.06 | 1 | 0 | medium-chain fatty aldehyde;
n-alkanal;
saturated fatty aldehyde | plant 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. | 2.02 | 1 | 0 | guaiacols | disinfectant;
EC 1.1.1.25 (shikimate dehydrogenase) inhibitor;
expectorant;
plant 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. | 2.1 | 1 | 0 | alpha-diketone | Escherichia coli metabolite;
Saccharomyces cerevisiae metabolite |
glycine
[no description available] | 2.04 | 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 |
pyruvaldehyde
Pyruvaldehyde: An organic compound used often as a reagent in organic synthesis, as a flavoring agent, and in tanning. It has been demonstrated as an intermediate in the metabolism of acetone and its derivatives in isolated cell preparations, in various culture media, and in vivo in certain animals.. methylglyoxal : A 2-oxo aldehyde derived from propanal. | 2.13 | 1 | 0 | 2-oxo aldehyde;
propanals | Escherichia coli metabolite;
human metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite |
trimethylamine
[no description available] | 2.21 | 1 | 0 | methylamines;
tertiary amine | Escherichia coli metabolite;
human xenobiotic metabolite |
camphor, (+-)-isomer
[no description available] | 2.41 | 1 | 0 | bornane monoterpenoid;
cyclic monoterpene ketone | plant metabolite |
eucalyptol
[no description available] | 2.41 | 1 | 0 | | |
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. | 2.05 | 1 | 0 | benzenes;
primary alcohol | Aspergillus metabolite;
fragrance;
plant growth retardant;
plant metabolite;
Saccharomyces cerevisiae metabolite |
n-hexanal
[no description available] | 3.21 | 5 | 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. | 2.6 | 1 | 0 | pentanol;
short-chain primary fatty alcohol | human metabolite;
plant metabolite |
acrylic acid
acrylic acid: RN given refers to parent cpd. acrylic acid : A alpha,beta-unsaturated monocarboxylic acid that is ethene substituted by a carboxy group. | 7.13 | 1 | 0 | alpha,beta-unsaturated monocarboxylic acid | metabolite |
2,4,6-trichloroanisole
2,4,6-trichloroanisole: Cork taint compound. 2,4,6-trichloroanisole : A monomethoxybenzene that is 1,3,5-trichlorobenzene in which one of the hydrogens is replaced by a methoxy group. | 2.02 | 1 | 0 | monomethoxybenzene;
trichlorobenzene | |
2-methylbutanal
2-methylbutanal: structure in first source. 2-methylbutanal : A methylbutanal in which the methyl substituent is at position 2. | 2.21 | 1 | 0 | 2-methyl-branched fatty aldehyde;
methylbutanal | plant metabolite;
Saccharomyces cerevisiae metabolite;
volatile oil component |
ethyl lactate
ethyl lactate: RN given refers to cpd with unspecified isomeric designation. ethyl 2-hydroxypropanoate : The ethyl ester obtained of 2-hydroxypropanoic acid. | 2.13 | 1 | 0 | ethyl ester;
lactate ester;
secondary alcohol | metabolite |
glyoxal
[no description available] | 7.13 | 1 | 0 | dialdehyde | agrochemical;
allergen;
pesticide;
plant growth regulator |
vinyl acetate
[no description available] | 2.1 | 1 | 0 | acetate ester | |
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. | 2.1 | 1 | 0 | pyrrole;
secondary amine | |
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. | 2.07 | 1 | 0 | hexanol;
primary alcohol | alarm pheromone;
antibacterial agent;
fragrance;
plant metabolite |
maltol
maltol: found in bark of young larch trees; isolated from Passiflora incarnata; possesses depressant properties in mice; potentiates hexobarbital-induced narcosis & inhibits spontaneous motor activity; structure | 2.01 | 1 | 0 | 4-pyranones | metabolite |
2-naphthol
2-naphthol: RN given refers to parent cpd. 2-naphthol : A naphthol carrying a hydroxy group at position 2.. naphthols : Any hydroxynaphthalene derivative that has a single hydroxy substituent. | 2.08 | 1 | 0 | naphthol | antinematodal drug;
genotoxin;
human urinary metabolite;
human xenobiotic metabolite;
mouse metabolite;
radical scavenger |
ethyl acetate
ethyl acetate : The acetate ester formed between acetic acid and ethanol. | 2.13 | 1 | 0 | acetate ester;
ethyl ester;
volatile organic compound | EC 3.4.19.3 (pyroglutamyl-peptidase I) inhibitor;
metabolite;
polar aprotic solvent;
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. | 2.49 | 2 | 0 | diazine;
pyrazines | Daphnia magna metabolite |
diepoxybutane
diepoxybutane: difunctional alkylating agent; RN given refers to cpd with unspecified isomeric designation; structure | 2.01 | 1 | 0 | epoxide | mutagen |
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. | 2.48 | 2 | 0 | methylbutanal | flavouring agent;
plant metabolite;
Saccharomyces cerevisiae metabolite;
volatile oil component |
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. | 2.47 | 2 | 0 | methyl ketone | plant metabolite |
methional
[no description available] | 2.01 | 1 | 0 | aliphatic sulfide | prostaglandin antagonist |
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. | 3.33 | 6 | 0 | alkenyl alcohol;
medium-chain fatty alcohol | antimicrobial agent;
fungal metabolite;
insect attractant;
volatile oil component |
furaneol
furaneol: RN given refers to compound with no isomeric designation. 4-hydroxy-2,5-dimethylfuran-3-one : A member of the class of furans that is 2,5-dimethylfuran carrying additional oxo and hydroxy groups at positions 3 and 4 respectively. It has been found particularly in strawberries and other such fruits. | 2.01 | 1 | 0 | cyclic ketone;
enol;
furans | flavouring agent;
fragrance;
plant metabolite |
2-pentylfuran
2-pentylfuran: structure in first source. 2-pentylfuran : A member of the class of furans that is furan in which the hydrogen at position 2 is replaced by a pentyl group. It is found in many heat-processed foods and drinks. | 2.07 | 1 | 0 | furans | Aspergillus metabolite;
bacterial metabolite;
flavouring agent;
human urinary metabolite;
insect repellent;
plant growth stimulator;
volatile oil component |
ferrous sulfate
ferrous sulfate: Ferro-Gradumet is ferrous sulfate in controlled release form; RN given refers to Fe(+2)[1:1] salt. iron(2+) sulfate (anhydrous) : A compound of iron and sulfate in which the ratio of iron(2+) to sulfate ions is 1:1. Various hydrates occur naturally - most commonly the heptahydrate, which loses water to form the tetrahydrate at 57degreeC and the monohydrate at 65degreeC. | 7.02 | 1 | 0 | iron molecular entity;
metal sulfate | reducing agent |
deuterium
Deuterium: The stable isotope of hydrogen. It has one neutron and one proton in the nucleus. | 2 | 1 | 0 | dihydrogen | |
2,3,5-trimethylpyrazine
2,3,5-trimethylpyrazine: key aroma compound in beef extract. trimethylpyrazine : A member of the class of pyrazines that is pyrazine in which three hydrogens at positions 2, 3 and 5 have been replaced by methyl groups. | 2.1 | 1 | 0 | pyrazines | animal metabolite;
bacterial metabolite;
flavouring agent;
pheromone;
plant metabolite |
geosmin
geosmin: earthy smelling cpd from sediment in Lake Biwa; structure. (-)-geosmin : The (-)-stereoisomer of geosmin, having 4S,4aS,8aR configuration. | 2.08 | 1 | 0 | geosmin | |
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. | 2.13 | 1 | 0 | benzenes;
phenyl acetates | |
2-isobutyl-3-methoxypyrazine
[no description available] | 2.08 | 1 | 0 | | |
2-isopropyl-3-methoxypyrazine
2-isopropyl-3-methoxypyrazine: structure given in first source | 2.08 | 1 | 0 | | |
2-methyl-3-furanthiol
2-methyl-3-furanthiol: possible off-flavor in stored orange juice | 2.45 | 2 | 0 | heteroarene | |
3-octanone
3-octanone : A dialkyl ketone that is octane in which the two methylene protons at position 3 have been replaced by an oxo group. | 1.99 | 1 | 0 | dialkyl ketone | antifeedant;
biomarker;
fungal metabolite;
human urinary metabolite;
insect attractant;
plant metabolite;
toxin |
arachidonic acid
icosa-5,8,11,14-tetraenoic acid : Any icosatetraenoic acid with the double bonds at positions 5, 8, 11 and 14.. arachidonate : A long-chain fatty acid anion resulting from the removal of a proton from the carboxy group of arachidonic acid. | 2 | 1 | 0 | icosa-5,8,11,14-tetraenoic acid;
long-chain fatty acid;
omega-6 fatty acid | Daphnia galeata metabolite;
EC 3.1.1.1 (carboxylesterase) inhibitor;
human metabolite;
mouse metabolite |
2-acetyl-1-pyrroline
2-acetyl-1-pyrroline: volatile component of uncooked Khao Dawk Mali 105 brown rice were extracted using indirect steam distillation under reduced pressure and controlled temperature in order to prevent cooking. 2-acetyl-1-pyrroline : A pyrroline that is 1-pyrroline in which the hydrogen at position 2 is replaced by an acetyl group. It is an aroma and flavour compound present in jasmine rice and basmati rice. It is responsible for the 'popcorn' aroma in a large variety of cereal and food products. It is one of the key odourants of the crust of bread and considered to be responsible for the cracker-like odour properties. In bread, it is primarily generated during baking but amounts are influenced by ingredient composition and fermentation conditions. | 2.1 | 1 | 0 | acylimine;
methyl ketone;
pyrroline | flavouring agent;
Maillard reaction product;
metabolite |
4,5-epoxy-2-decenal
4,5-epoxy-2-decenal: structure given in first source | 2 | 1 | 0 | enal | |
glycosides
[no description available] | 2.41 | 1 | 0 | | |
nadp
[no description available] | 1.99 | 1 | 0 | | |
linoleic acid
Linoleic Acid: A doubly unsaturated fatty acid, occurring widely in plant glycosides. It is an essential fatty acid in mammalian nutrition and is used in the biosynthesis of prostaglandins and cell membranes. (From Stedman, 26th ed). linoleic acid : An octadecadienoic acid in which the two double bonds are at positions 9 and 12 and have Z (cis) stereochemistry. | 3.11 | 1 | 0 | octadecadienoic acid;
omega-6 fatty acid | algal metabolite;
Daphnia galeata metabolite;
plant metabolite |
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. | 3.11 | 1 | 0 | 2-hexenal | antibacterial agent;
flavouring agent;
plant metabolite |
norbixin
norbixin: an annatto compound; RN given refers to all-trans-norbixin (beta-norbixin); 9-cis-norbixin is alpha-norbixin | 2.08 | 1 | 0 | diterpenoid | |
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. | 1.99 | 1 | 0 | oct-2-enal | antifungal agent;
volatile oil component |
2-nonenal, (trans)-isomer
2-nonenal: RN given refers to cpd without isomeric designation. non-2-enal : An enal consisting of non-2-ene having an oxo group at the 1-position.. (E)-non-2-enal : A monounsaturated fatty aldehyde that is (2E)-non-2-ene which is carrying an oxo group at position 1. | 2.47 | 2 | 0 | enal;
medium-chain fatty aldehyde;
monounsaturated fatty aldehyde | plant metabolite |
2,4-decadienal
(2E,4E)-deca-2,4-dienal : A polyunsaturated fatty aldehyde that is decanal which has undergone formal dehydrogenation to introduce trans- double bonds at the 2-3 and 4-5 positions. A product of lipid peroxidation in cell membranes and a component of cooking oil fumes. | 2.74 | 3 | 0 | polyunsaturated fatty aldehyde | apoptosis inducer;
nematicide |
2,6-nonadienal, (e,z)-isomer
2,4-nonadienal: RN given for (trans,trans)-isomer; structure in first source | 2.07 | 1 | 0 | polyunsaturated fatty aldehyde | |
nad
NAD(1-) : An anionic form of nicotinamide adenine dinucleotide arising from deprotonation of the two OH groups of the diphosphate moiety. | 1.99 | 1 | 0 | organophosphate oxoanion | cofactor;
human metabolite;
hydrogen acceptor;
Saccharomyces cerevisiae metabolite |
2-methylisoborneol
2-methylisoborneol: structure. 2-methylisoborneol : An bornane monoterpenoid comprising isoborneol carrying a 2-methyl substituent (the 1R,2R,4R-diastereomer). | 2.08 | 1 | 0 | | |