| Substance | Relationship Strength | Studies | Trials | Classes | Roles |
|---|
4-aminobutyraldehyde
4-aminobutanal : An omega-aminoaldehyde that is butanal in which one of the hydrogens of the terminal methyl group has been replaced by an amino group. | 2.8 | 3 | 0 | aminobutanal;
omega-aminoaldehyde | Escherichia coli metabolite;
mouse metabolite |
gamma-aminobutyric acid
gamma-Aminobutyric Acid: The most common inhibitory neurotransmitter in the central nervous system.. gamma-aminobutyric acid : A gamma-amino acid that is butanoic acid with the amino substituent located at C-4. | 3.44 | 6 | 0 | amino acid zwitterion;
gamma-amino acid;
monocarboxylic acid | human metabolite;
neurotransmitter;
Saccharomyces cerevisiae metabolite;
signalling molecule |
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. | 2.48 | 2 | 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 |
chlorine
chloride : A halide anion formed when chlorine picks up an electron to form an an anion. | 2.17 | 1 | 0 | halide anion;
monoatomic chlorine | cofactor;
Escherichia coli metabolite;
human metabolite |
4-vinylguaiacol
2-methoxy-4-vinylphenol: a germination inhibitor; also an odorant in green tea; structure in first source. 2-methoxy-4-vinylphenol : A member of the class of phenols that is guaiacol in which the hydrogen para- to the hydroxy group is replaced by a vinyl group. | 2.08 | 1 | 0 | phenols | flavouring agent;
pheromone;
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. | 2.46 | 2 | 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 |
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. | 3.21 | 5 | 0 | 2-oxo aldehyde;
propanals | Escherichia coli metabolite;
human metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite |
phenylacetaldehyde
[no description available] | 2.08 | 1 | 0 | alpha-CH2-containing aldehyde;
phenylacetaldehydes | Escherichia coli metabolite;
human metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite |
putrescine
[no description available] | 2.9 | 2 | 0 | alkane-alpha,omega-diamine | antioxidant;
fundamental metabolite |
selenic acid
Selenic Acid: A strong dibasic acid with the molecular formula H2SeO4. Included under this heading is the acid form, and inorganic salts of dihydrogen selenium tetraoxide. | 2.21 | 1 | 0 | selenium oxoacid | |
spermidine
[no description available] | 2.6 | 1 | 0 | polyazaalkane;
triamine | autophagy inducer;
fundamental metabolite;
geroprotector |
spermine
[no description available] | 2.6 | 1 | 0 | polyazaalkane;
tetramine | antioxidant;
fundamental metabolite;
immunosuppressive agent |
trimethylamine
[no description available] | 2.05 | 1 | 0 | methylamines;
tertiary amine | Escherichia coli metabolite;
human xenobiotic metabolite |
vanillin
Vanilla: A plant genus of the family ORCHIDACEAE that is the source of the familiar flavoring used in foods and medicines (FLAVORING AGENTS). | 2.17 | 1 | 0 | benzaldehydes;
monomethoxybenzene;
phenols | anti-inflammatory agent;
anticonvulsant;
antioxidant;
flavouring agent;
plant metabolite |
zinc chloride
zinc chloride: RN given refers to parent cpd. zinc dichloride : A compound of zinc and chloride ions in the ratio 1:2. It exists in four crystalline forms, in each of which the Zn(2+) ions are trigonal planar coordinated to four chloride ions. | 7.17 | 1 | 0 | inorganic chloride;
zinc molecular entity | astringent;
disinfectant;
EC 5.3.3.5 (cholestenol Delta-isomerase) inhibitor;
Lewis acid |
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. | 2.08 | 1 | 0 | benzenes;
primary alcohol | Aspergillus metabolite;
fragrance;
plant growth retardant;
plant metabolite;
Saccharomyces cerevisiae metabolite |
androstenedione
Androstenedione: A delta-4 C19 steroid that is produced not only in the TESTIS, but also in the OVARY and the ADRENAL CORTEX. Depending on the tissue type, androstenedione can serve as a precursor to TESTOSTERONE as well as ESTRONE and ESTRADIOL.. androst-4-ene-3,17-dione : A 3-oxo Delta(4)-steroid that is androst-4-ene substituted by oxo groups at positions 3 and 17. It is a steroid hormone synthesized in the adrenal glands and gonads. | 2.13 | 1 | 0 | 17-oxo steroid;
3-oxo-Delta(4) steroid;
androstanoid | androgen;
Daphnia magna metabolite;
human metabolite;
mouse metabolite |
n-hexanal
[no description available] | 2.9 | 3 | 0 | medium-chain fatty aldehyde;
n-alkanal;
saturated fatty aldehyde | human urinary metabolite |
ornithine
Ornithine: An amino acid produced in the urea cycle by the splitting off of urea from arginine.. ornithine : An alpha-amino acid that is pentanoic acid bearing two amino substituents at positions 2 and 5. | 2.48 | 2 | 0 | non-proteinogenic L-alpha-amino acid;
ornithine | algal metabolite;
hepatoprotective agent;
mouse metabolite |
skatole
[no description available] | 2.13 | 1 | 0 | methylindole | human metabolite;
mammalian metabolite |
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. | 8.61 | 88 | 0 | pyrrole;
secondary amine | |
thiazoles
[no description available] | 3.52 | 2 | 0 | 1,3-thiazoles;
mancude organic heteromonocyclic parent;
monocyclic heteroarene | |
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. | 2.8 | 3 | 0 | diazine;
pyrazines | Daphnia magna metabolite |
hydrazine
diamine : Any polyamine that contains two amino groups. | 2.05 | 1 | 0 | azane;
hydrazines | EC 4.3.1.10 (serine-sulfate ammonia-lyase) inhibitor |
malondialdehyde
Malondialdehyde: The dialdehyde of malonic acid.. malonaldehyde : A dialdehyde that is propane substituted by two oxo groups at the terminal carbon atoms respectively. A biomarker of oxidative damage to lipids caused by smoking, it exists in vivo mainly in the enol form. | 2.21 | 1 | 0 | dialdehyde | biomarker |
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. | 2.1 | 1 | 0 | methylbutanal | flavouring agent;
plant metabolite;
Saccharomyces cerevisiae metabolite;
volatile oil component |
2,4,6-tribromoanisole
2,4,6-tribromoanisole: produced by O-methylation of its direct precursor, 2,4,6-tribromophenol, generally comes from sources in the winery environment | 2.13 | 1 | 0 | | |
phenacylamine
phenacylamine: RN given refers to parent cpd; structure in Merck Index, 9th ed, #6990 | 2.13 | 1 | 0 | aromatic ketone | |
isovanillin
isovanillin: inhibits aldehyde oxidase. isovanillin : A member of the class of benzaldehydes that is 4-methoxybenzaldehyde substituted by a hydroxy group at position 3. It is an inhibitor of aldehyde oxidase. | 2.17 | 1 | 0 | benzaldehydes;
monomethoxybenzene;
phenols | animal metabolite;
antidiarrhoeal drug;
antifungal agent;
EC 1.2.3.1 (aldehyde oxidase) inhibitor;
HIV protease inhibitor;
plant metabolite |
octacosane
octacosane : A straight-chain alkane containing 28 carbon atoms. | 2.17 | 1 | 0 | long-chain alkane | plant metabolite |
decan-4-olide
gamma-decalactone : A gamma-lactone that is oxolan-2-one substituted by a hexyl group at position 5. | 2.21 | 1 | 0 | gamma-lactone;
tetrahydrofuranone | anticonvulsant;
flavouring agent;
food additive |
(pentafluorophenyl)hydrazine
[no description available] | 2.05 | 1 | 0 | | |
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. | 2.48 | 2 | 0 | cyclic ketone;
enol;
furans | flavouring agent;
fragrance;
plant metabolite |
lanthanum
[no description available] | 7.59 | 2 | 0 | f-block element atom;
lanthanoid atom;
scandium group element atom | |
manganese
Manganese: A trace element with atomic symbol Mn, atomic number 25, and atomic weight 54.94. It is concentrated in cell mitochondria, mostly in the pituitary gland, liver, pancreas, kidney, and bone, influences the synthesis of mucopolysaccharides, stimulates hepatic synthesis of cholesterol and fatty acids, and is a cofactor in many enzymes, including arginase and alkaline phosphatase in the liver. (From AMA Drug Evaluations Annual 1992, p2035). manganese(4+) : A manganese cation that is monoatomic and has a formal charge of +4. | 7.13 | 1 | 0 | elemental manganese;
manganese group element atom | Escherichia coli metabolite;
micronutrient |
molybdenum
Molybdenum: A metallic element with the atomic symbol Mo, atomic number 42, and atomic weight 95.95. It is an essential trace element, being a component of the enzymes xanthine oxidase, aldehyde oxidase, and nitrate reductase. | 7.31 | 1 | 0 | chromium group element atom | micronutrient |
cadmium
Cadmium: An element with atomic symbol Cd, atomic number 48, and atomic weight 112.41. It is a metal and ingestion will lead to CADMIUM POISONING.. elemental cadmium : An element in the zinc group of the periodic table with atomic number 48, atomic mass 112, M.P. 321degreeC, and B.P. 765degreeC). An odourless, tasteless, and highly poisonous soft, ductile, lustrous metal with electropositive properties. It has eight stable isotopes: (106)Cd, (108)Cd,(110)Cd, (111)Cd, (112)Cd, (113)Cd, (114)Cd and (116)Cd, with (112)Cd and (114)Cd being the most common. | 7.31 | 1 | 0 | cadmium molecular entity;
zinc group element atom | |
chromium
Chromium: A trace element that plays a role in glucose metabolism. It has the atomic symbol Cr, atomic number 24, and atomic weight 52. According to the Fourth Annual Report on Carcinogens (NTP85-002,1985), chromium and some of its compounds have been listed as known carcinogens.. chromium ion : An chromium atom having a net electric charge.. chromium atom : A chromium group element atom that has atomic number 24. | 7.41 | 1 | 0 | chromium group element atom;
metal allergen | micronutrient |
deuterium
Deuterium: The stable isotope of hydrogen. It has one neutron and one proton in the nucleus. | 2.01 | 1 | 0 | dihydrogen | |
2-ethyl-3,5-dimethylpyrazine
2-ethyl-3,5-dimethylpyrazine: structure in first source | 2.05 | 1 | 0 | pyrazines | |
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 |
iodine
[no description available] | 2.1 | 1 | 0 | halide anion;
monoatomic iodine | human 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. | 2.82 | 3 | 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-hydroxy-2-ethyl-5-methyl-3(2h)-furanone
4-hydroxy-2-ethyl-5-methyl-3(2H)-furanone: structure in first source. 2-ethyl-4-hydroxy-5-methyl-3(2H)-furanone : A member of the class of furans that is furan-3(2H)-one carrying additional ethyl, hydroxy and methyl substituents at positions 2, 4 and 5 respectively. A key aroma compound in soy sauce and fish sauce. | 2.03 | 1 | 0 | cyclic ketone;
enol;
furans | Saccharomyces cerevisiae metabolite |
2-methyl-3-furanthiol
2-methyl-3-furanthiol: possible off-flavor in stored orange juice | 2.1 | 1 | 0 | heteroarene | |
1-octen-3-one
1-octen-3-one: structure in first source | 2.1 | 1 | 0 | olefinic compound | |
4,5-dimethyl-3-hydroxy-2(5h)-furanone
[no description available] | 2.51 | 2 | 0 | butenolide | metabolite |
zinc iodide
zinc iodide: used with osmium in stains; RN given refers to parent cpd | 2.1 | 1 | 0 | | |
delta(1)-pyrroline
[no description available] | 2.21 | 1 | 0 | imine;
pyrroline | |
pyrroline
pyrroline: RN given refers to cpd with unspecified locant for dihydro moiety. pyrroline : Any organic heteromonocyclic compound with a structure based on a dihydropyrrole. | 2.82 | 3 | 0 | pyrroline | |
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. | 7.41 | 1 | 0 | proanthocyanidin | |
tenax
tenax: porous polymer based on 2,6-diphenyl-p-phenylene oxide; used for trapping volatile organic compounds | 2.05 | 1 | 0 | | |
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. | 9.31 | 16 | 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 |
2-acetyl-2-thiazoline
2-acetyl-2-thiazoline: structure in first source | 8.52 | 2 | 0 | thiazoles | |
zeatin
Zeatin: An aminopurine factor in plant extracts that induces cell division. (Grant & Hackh's Chemical Dict, 5th ed) | 7.6 | 1 | 0 | zeatin | plant metabolite |
6-acetyl-1,2,3,4-tetrahydropyridine
6-acetyl-1,2,3,4-tetrahydropyridine: structure in first source. 6-acetyl-1,2,3,4-tetrahydropyridine : A tetrahydropyridine bearing an acetyl group in the 6 position. It is the tautomer of CHEBI:59533 | 3.84 | 3 | 0 | tetrahydropyridine | |
3-nitrophenylhydrazine
3-nitrophenylhydrazine: structure in first source | 2.31 | 1 | 0 | | |
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. | 2.1 | 1 | 0 | polyunsaturated fatty aldehyde | apoptosis inducer;
nematicide |
delta-1-pyrroline-5-carboxylate
delta-1-pyrroline-5-carboxylate: (L)-isomer is the biologically active form; RN given refers to cpd without isomeric designation; structure | 2.75 | 3 | 0 | 1-pyrroline-5-carboxylate | |
phytosterols
Phytosterols: A class of organic compounds known as sterols or STEROIDS derived from plants.. phytosterols : Sterols similar to cholesterol which occur in plants and vary only in carbon side chains and/or presence or absence of a double bond. | 2.21 | 1 | 0 | | |
chlorophyll a
Chlorophyll: Porphyrin derivatives containing magnesium that act to convert light energy in photosynthetic organisms.. chlorophyll : A family of magnesium porphyrins, defined by the presence of a fifth ring beyond the four pyrrole-like rings. The rings can have various side chains which usually include a long phytol chain. | 2.31 | 1 | 0 | chlorophyll;
methyl ester | cofactor |
methyl jasmonate
[no description available] | 7.6 | 1 | 0 | | |
pheophytin a
pheophytin a: structure given in first source; RN given refers to (3S-(3alpha(2E,7S*,11S*),4beta,21beta))-isomer | 2.6 | 1 | 0 | | |