Substance | Relationship Strength | Studies | Trials | Classes | Roles |
benzene [no description available] | 3.2 | 5 | 0 | aromatic annulene; benzenes; volatile organic compound | carcinogenic agent; environmental contaminant; non-polar solvent |
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. | 1.97 | 1 | 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 |
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. | 7.05 | 1 | 0 | monocarboxylic acid | antibacterial agent; astringent; metabolite; protic solvent; solvent |
methane Methane: The simplest saturated hydrocarbon. It is a colorless, flammable gas, slightly soluble in water. It is one of the chief constituents of natural gas and is formed in the decomposition of organic matter. (Grant & Hackh's Chemical Dictionary, 5th ed). methane : A one-carbon compound in which the carbon is attached by single bonds to four hydrogen atoms. It is a colourless, odourless, non-toxic but flammable gas (b.p. -161degreeC). | 2.06 | 1 | 0 | alkane; gas molecular entity; mononuclear parent hydride; one-carbon compound | bacterial metabolite; fossil fuel; greenhouse gas |
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. | 1.97 | 1 | 0 | tricarboxylic acid | antimicrobial agent; chelator; food acidity regulator; fundamental metabolite |
chlorine chloride : A halide anion formed when chlorine picks up an electron to form an an anion. | 1.92 | 1 | 0 | halide anion; monoatomic chlorine | cofactor; Escherichia coli metabolite; human metabolite |
octane Octanes: Eight-carbon saturated hydrocarbon group of the methane series. Include isomers and derivatives.. octane : A straight chain alkane composed of 8 carbon atoms. | 2.15 | 1 | 0 | alkane | xenobiotic |
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. | 2.13 | 1 | 0 | guaiacols | disinfectant; EC 1.1.1.25 (shikimate dehydrogenase) inhibitor; expectorant; plant metabolite |
formaldehyde paraform: polymerized formaldehyde; RN given refers to parent cpd; used in root canal therapy | 2.54 | 2 | 0 | aldehyde; one-carbon compound | allergen; carcinogenic agent; disinfectant; EC 3.5.1.4 (amidase) inhibitor; environmental contaminant; Escherichia coli metabolite; mouse metabolite; Saccharomyces cerevisiae 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. | 2.06 | 1 | 0 | alditol; triol | algal metabolite; detergent; Escherichia coli metabolite; geroprotector; human metabolite; mouse metabolite; osmolyte; Saccharomyces cerevisiae metabolite; solvent |
hydrogen Hydrogen: The first chemical element in the periodic table with atomic symbol H, and atomic number 1. Protium (atomic weight 1) is by far the most common hydrogen isotope. Hydrogen also exists as the stable isotope DEUTERIUM (atomic weight 2) and the radioactive isotope TRITIUM (atomic weight 3). Hydrogen forms into a diatomic molecule at room temperature and appears as a highly flammable colorless and odorless gas.. dihydrogen : An elemental molecule consisting of two hydrogens joined by a single bond. | 3.63 | 2 | 0 | elemental hydrogen; elemental molecule; gas molecular entity | antioxidant; electron donor; food packaging gas; fuel; human metabolite |
hydroquinone [no description available] | 2.08 | 1 | 0 | benzenediol; hydroquinones | antioxidant; carcinogenic agent; cofactor; Escherichia coli metabolite; human xenobiotic metabolite; mouse metabolite; skin lightening agent |
indole [no description available] | 2.13 | 1 | 0 | indole; polycyclic heteroarene | Escherichia coli metabolite |
methanol Methanol: A colorless, flammable liquid used in the manufacture of FORMALDEHYDE and ACETIC ACID, in chemical synthesis, antifreeze, and as a solvent. Ingestion of methanol is toxic and may cause blindness.. primary alcohol : A primary alcohol is a compound in which a hydroxy group, -OH, is attached to a saturated carbon atom which has either three hydrogen atoms attached to it or only one other carbon atom and two hydrogen atoms attached to it.. methanol : The primary alcohol that is the simplest aliphatic alcohol, comprising a methyl and an alcohol group. | 2.42 | 2 | 0 | alkyl alcohol; one-carbon compound; primary alcohol; volatile organic compound | amphiprotic solvent; Escherichia coli metabolite; fuel; human metabolite; mouse metabolite; Mycoplasma genitalium metabolite |
nickel Nickel: A trace element with the atomic symbol Ni, atomic number 28, and atomic weight 58.69. It is a cofactor of the enzyme UREASE.. nickel ion : A nickel atom having a net electric charge.. nickel atom : Chemical element (nickel group element atom) with atomic number 28. | 7.1 | 1 | 0 | metal allergen; nickel group element atom | epitope; micronutrient |
phenol [no description available] | 2.13 | 1 | 0 | phenols | antiseptic drug; disinfectant; human xenobiotic metabolite; mouse metabolite |
toluene methylbenzene : Any alkylbenzene that is benzene substituted with one or more methyl groups. | 7.72 | 3 | 0 | methylbenzene; toluenes; volatile organic compound | cholinergic antagonist; fuel additive; neurotoxin; non-polar solvent |
2-amino-1-methyl-6-phenylimidazo(4,5-b)pyridine 2-amino-1-methyl-6-phenylimidazo(4,5-b)pyridine: mutagen from fried ground beef; structure given in first source. PhIP : An imidazopyridine that is 1H--imidazo[4,5-b]pyridine which is substituted at positions 1, 2, and 6 by methyl, amino, and phenyl groups, respectively. It is the most abundant of the mutagenic heterocyclic amines found in cooked meat and fish. | 2.11 | 1 | 0 | imidazopyridine; primary amino compound | carcinogenic agent; mutagen |
benzo(a)pyrene Benzo(a)pyrene: A potent mutagen and carcinogen. It is a public health concern because of its possible effects on industrial workers, as an environmental pollutant, an as a component of tobacco smoke.. benzo[a]pyrene : An ortho- and peri-fused polycyclic arene consisting of five fused benzene rings. | 1.97 | 1 | 0 | ortho- and peri-fused polycyclic arene | carcinogenic agent; mouse metabolite |
ciprofloxacin Ciprofloxacin: A broad-spectrum antimicrobial carboxyfluoroquinoline.. ciprofloxacin : A quinolone that is quinolin-4(1H)-one bearing cyclopropyl, carboxylic acid, fluoro and piperazin-1-yl substituents at positions 1, 3, 6 and 7, respectively. | 2.02 | 1 | 0 | aminoquinoline; cyclopropanes; fluoroquinolone antibiotic; N-arylpiperazine; quinolinemonocarboxylic acid; quinolone antibiotic; quinolone; zwitterion | antibacterial drug; antiinfective agent; antimicrobial agent; DNA synthesis inhibitor; EC 5.99.1.3 [DNA topoisomerase (ATP-hydrolysing)] inhibitor; environmental contaminant; topoisomerase IV inhibitor; xenobiotic |
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. | 7.11 | 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 |
edetic acid Edetic Acid: A chelating agent that sequesters a variety of polyvalent cations such as CALCIUM. It is used in pharmaceutical manufacturing and as a food additive. | 1.96 | 1 | 0 | ethylenediamine derivative; polyamino carboxylic acid; tetracarboxylic acid | anticoagulant; antidote; chelator; copper chelator; geroprotector |
methionine Methionine: A sulfur-containing essential L-amino acid that is important in many body functions.. methionine : A sulfur-containing amino acid that is butyric acid bearing an amino substituent at position 2 and a methylthio substituent at position 4. | 2.02 | 1 | 0 | aspartate family amino acid; L-alpha-amino acid; methionine zwitterion; methionine; proteinogenic amino acid | antidote to paracetamol poisoning; human metabolite; micronutrient; mouse metabolite; nutraceutical |
mannitol [no description available] | 1.97 | 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 |
histidine Histidine: An essential amino acid that is required for the production of HISTAMINE.. L-histidine : The L-enantiomer of the amino acid histidine.. histidine : An alpha-amino acid that is propanoic acid bearing an amino substituent at position 2 and a 1H-imidazol-4-yl group at position 3. | 1.98 | 1 | 0 | amino acid zwitterion; histidine; L-alpha-amino acid; polar amino acid zwitterion; proteinogenic amino acid | algal metabolite; Escherichia coli metabolite; human metabolite; micronutrient; mouse metabolite; nutraceutical; Saccharomyces cerevisiae metabolite |
acetonitrile acetonitrile: RN given refers to unlabeled cpd. acetonitrile : A nitrile that is hydrogen cyanide in which the hydrogen has been replaced by a methyl group. | 2.43 | 2 | 0 | aliphatic nitrile; volatile organic compound | EC 3.5.1.4 (amidase) inhibitor; NMR chemical shift reference compound; polar aprotic solvent |
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. | 1.96 | 1 | 0 | butanone; dialkyl ketone; methyl ketone; volatile organic compound | bacterial metabolite; polar aprotic solvent |
furfuryl alcohol furfuryl alcohol: structure. furfuryl alcohol : A furan bearing a hydroxymethyl substituent at the 2-position. | 7.13 | 1 | 0 | furans; primary alcohol | Maillard reaction product |
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. | 5.3 | 15 | 0 | aldehyde; furans | Maillard reaction product; metabolite |
ethylbenzene [no description available] | 7.17 | 1 | 0 | alkylbenzene | |
styrene Styrene: A colorless, toxic liquid with a strong aromatic odor. It is used to make rubbers, polymers and copolymers, and polystyrene plastics.. styrene : A vinylarene that is benzene carrying a vinyl group. It has been isolated from the benzoin resin produced by Styrax species. | 7.17 | 1 | 0 | styrenes; vinylarene; volatile organic compound | mouse metabolite; mutagen; plant metabolite |
4-vinylpyridine 4-vinylpyridine: reagent for blocking cysteine function in proteins; RN given refers to parent cpd | 2.03 | 1 | 0 | | |
4-xylene p-xylene : A xylene with methyl groups at positions 1 and 4. | 2.5 | 2 | 0 | xylene | |
1,3-butadiene buta-1,3-diene : A butadiene with unsaturation at positions 1 and 3. | 7.44 | 2 | 0 | butadiene | carcinogenic agent; mutagen |
acrolein [no description available] | 7.48 | 2 | 0 | enal | herbicide; human xenobiotic metabolite; toxin |
acrylonitrile [no description available] | 7.31 | 1 | 0 | aliphatic nitrile; volatile organic compound | antifungal agent; carcinogenic agent; fungal metabolite; mutagen; polar aprotic solvent |
2-methylpentane Hexanes: Six-carbon saturated hydrocarbon group of the methane series. Include isomers and derivatives. Various polyneuropathies are caused by hexane poisoning. | 2.36 | 2 | 0 | alkane | |
gamma-valerolactone gamma-valerolactone: metabolite of n-hexane; RN given refers to cpd with methyl moiety in position 5. gamma-valerolactone : A butan-4-olide that is dihydrofuran-2(3H)-one substituted by a methyl group at position 5. It has been found in the urine samples of humans exposed to n-hexane. | 2.36 | 2 | 0 | butan-4-olide | flavouring agent; human xenobiotic metabolite |
maleic anhydride Maleic Anhydrides: Used in copolymerization reactions, in the Diels-Alder(diene)synthesis, in the preparation of resins, pharmaceuticals and agricultural chemicals. It is a powerful irritant and causes burns.. maleic anhydride : A cyclic dicarboxylic anhydride that is the cyclic anhydride of maleic acid. | 7.11 | 1 | 0 | cyclic dicarboxylic anhydride; furans | allergen |
furan furan : A monocyclic heteroarene with a structure consisting of a 5-membered ring containing four carbons and one oxygen, with formula C4H4O. It is a toxic, flammable, low-boiling (31degreeC) colourless liquid. | 7.07 | 1 | 0 | furans; mancude organic heteromonocyclic parent; monocyclic heteroarene | carcinogenic agent; hepatotoxic agent; Maillard reaction product |
2,5-hexanedione 2,5-hexanedione: metabolite of methyl-n-butyl ketone. 2,5-hexanedione : A diketone that is hexane substituted by oxo groups at positions 2 and 5. It is a toxic metabolite of hexane and of 2-hexanone | 2.36 | 2 | 0 | diketone; methyl ketone | human xenobiotic metabolite; neurotoxin |
n-hexane hexane : An unbranched alkane containing six carbon atoms. | 2.36 | 2 | 0 | alkane; volatile organic compound | neurotoxin; non-polar solvent |
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. | 1.96 | 1 | 0 | hexanol; primary alcohol | alarm pheromone; antibacterial agent; fragrance; plant metabolite |
n-dodecane dodecane : A straight-chain alkane with 12 carbon atoms. It has been isolated from the essential oils of various plants including Zingiber officinale (ginger). | 2.04 | 1 | 0 | alkane | 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 | 2.13 | 1 | 0 | 4-pyranones | metabolite |
triethylenediamine triethylenediamine: RN given refers to parent cpd. triethylenediamine : An organic heterobicylic compound that is piperazine with an ethane-1,2-diyl group forming a bridge between N1 and N4. It is typically used as a catalyst in polymerization reactions. | 2.03 | 1 | 0 | bridged compound; diamine; saturated organic heterobicyclic parent; tertiary amino compound | antioxidant; catalyst; reagent |
1,3-cyclohexanedione 1,3-cyclohexanedione: structure. cyclohexane-1,3-dione : A cyclohexanedione carrying oxo substituents at positions 1 and 3. | 7.08 | 1 | 0 | beta-diketone; cyclohexanedione | |
2-methylfuran 2-methylfuran : A member of the class of furans that is furan in which the hydrogen at position 2 is replaced by a methyl group. | 3.33 | 6 | 0 | furans; volatile organic compound | flavouring agent; fuel; hepatotoxic agent; human urinary metabolite; plant metabolite |
maleimide [no description available] | 2.47 | 2 | 0 | dicarboximide; maleimides | EC 5.99.1.3 [DNA topoisomerase (ATP-hydrolysing)] inhibitor |
phenalen-1-one phenalen-1-one: fossil fuel combustion product | 2.02 | 1 | 0 | | |
hematoporphyrin Hematoporphyrins: Iron-free derivatives of heme with 4 methyl groups, 2 hydroxyethyl groups and 2 propionic acid groups attached to the pyrrole rings. Some of these PHOTOSENSITIZING AGENTS are used in the PHOTOTHERAPY of malignant NEOPLASMS.. hematoporphyrin : A dicarboxylic acid that is protoporphyrin in which the vinyl groups at positions 7 and 12 are replaced by 1-hydroxyethyl groups. | 1.98 | 1 | 0 | | |
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. | 1.96 | 1 | 0 | ketone | |
2-hexanol hexan-2-ol : A hexanol in which the hydroxy group is at position 2. | 1.96 | 1 | 0 | hexanol; secondary alcohol | human metabolite; plant metabolite; semiochemical |
3-methylfuran 3-methylfuran: RN given refers to cpd with specified locant for methyl group. 3-methylfuran : A member of the class of furans that is furan in which the hydrogen at position 3 is replaced by a methyl group. It is a chemical that is produced in foods during food processing and preservation techniques that involve heat treatment such as cooking and pasteurization. | 7.06 | 1 | 0 | furans; volatile organic compound | Aspergillus metabolite; environmental contaminant; fungal metabolite; Penicillium metabolite; plant metabolite |
3-vinylpyridine 3-vinylpyridine: structure given in first source; formed from nicotine during smoking of tobacco products | 2.02 | 1 | 0 | | |
2-ethylfuran 2-ethylfuran: structure in first source. 2-ethylfuran : A member of the class of furans that is furan in which the hydrogen atom at position 2 has been replaced by an ethyl group. | 7.31 | 1 | 0 | furans; volatile organic compound | bacterial metabolite; fragrance; Maillard reaction product; plant metabolite |
palladium Palladium: A chemical element having an atomic weight of 106.4, atomic number of 46, and the symbol Pd. It is a white, ductile metal resembling platinum, and following it in abundance and importance of applications. It is used in dentistry in the form of gold, silver, and copper alloys.. palladium : Chemical element (nickel group element atom) with atomic number 46. | 2.54 | 2 | 0 | metal allergen; nickel group element atom; platinum group metal atom | |
ruthenium Ruthenium: A hard, brittle, grayish-white rare earth metal with an atomic symbol Ru, atomic number 44, and atomic weight 101.07. It is used as a catalyst and hardener for PLATINUM and PALLADIUM. | 2.81 | 3 | 0 | iron group element atom; platinum group metal atom | |
deuterium Deuterium: The stable isotope of hydrogen. It has one neutron and one proton in the nucleus. | 7.11 | 1 | 0 | dihydrogen | |
tiletamine hydrochloride Cyclohexanones: Cyclohexane ring substituted by one or more ketones in any position.. cyclohexanones : Any alicyclic ketone based on a cyclohexane skeleton and its substituted derivatives thereof. | 2.08 | 1 | 0 | | |
dimethylacetamide hallucinogen : Drugs capable of inducing illusions, hallucinations, delusions, paranoid ideations and other alterations of mood and thinking.. N,N-dimethylacetamide : A member of the class of acetamides that is acetamide in which the hydrogens attached to the N atom have been replaced by two methyl groups respectively. Metabolite observed in cancer metabolism. | 2.05 | 1 | 0 | acetamides; monocarboxylic acid amide | human metabolite |
alkenes [no description available] | 2.06 | 1 | 0 | | |
sodium azide Sodium Azide: A cytochrome oxidase inhibitor which is a nitridizing agent and an inhibitor of terminal oxidation. (From Merck Index, 12th ed). sodium azide : The sodium salt of hydrogen azide (hydrazoic acid). | 1.98 | 1 | 0 | inorganic sodium salt | antibacterial agent; explosive; mitochondrial respiratory-chain inhibitor; mutagen |
azides Azides: Organic or inorganic compounds that contain the -N3 group.. azide : Any nitrogen molecular entity containing the group -N3. | 1.98 | 1 | 0 | pseudohalide anion | mitochondrial respiratory-chain inhibitor |
potassium superoxide [no description available] | 1.98 | 1 | 0 | | |
trifluoromethanesulfonic acid trifluoromethanesulfonic acid: deblocking reagent for peptide synthesis; RN given refers to parent cpd. triflic acid : A one-carbon compound that is methanesulfonic acid in which the hydrogens attached to the methyl carbon have been replaced by fluorines. | 2.15 | 1 | 0 | one-carbon compound; perfluoroalkanesulfonic acid | |
2,5-diphenylfuran [no description available] | 1.99 | 1 | 0 | diphenylfuran | |
nicotine (S)-nicotine : A 3-(1-methylpyrrolidin-2-yl)pyridine in which the chiral centre has S-configuration. The naturally occurring and most active enantiomer of nicotine, isolated from Nicotiana tabacum. | 2.77 | 3 | 0 | 3-(1-methylpyrrolidin-2-yl)pyridine | anxiolytic drug; biomarker; immunomodulator; mitogen; neurotoxin; nicotinic acetylcholine receptor agonist; peripheral nervous system drug; phytogenic insecticide; plant metabolite; psychotropic drug; teratogenic agent; xenobiotic |
cobalt Cobalt: A trace element that is a component of vitamin B12. It has the atomic symbol Co, atomic number 27, and atomic weight 58.93. It is used in nuclear weapons, alloys, and pigments. Deficiency in animals leads to anemia; its excess in humans can lead to erythrocytosis.. cobalt(1+) : A monovalent inorganic cation obtained from cobalt.. cobalt atom : A cobalt group element atom that has atomic number 27. | 7.6 | 1 | 0 | cobalt group element atom; metal allergen | micronutrient |
carbene carbene: electrically neutral species H2C: and its derivatives, in which the carbon is covalently bonded to two univalent groups of any kind or a divalent group and bears two nonbonding electrons; carbene is the name of the parent hydride :CH2 ; hence, the name dichlorocarbene for :CCl2. However, names for acyclic and cyclic hydrocarbons containing one or more divalent carbon atoms are derived from the name of the corresponding all-4-hydrocarbon using the suffix -ylidene; methylene carbene also available. carbene : The electrically neutral species H2C(2.) and its derivatives, in which the carbon is covalently bonded to two univalent groups of any kind or a divalent group and bears two nonbonding electrons, which may be spin-paired (singlet state) or spin-non-paired (triplet state). | 2.06 | 1 | 0 | carbene; methanediyl | |
hydroxyl radical Hydroxyl Radical: The univalent radical OH. Hydroxyl radical is a potent oxidizing agent. | 2.93 | 4 | 0 | oxygen hydride; oxygen radical; reactive oxygen species | |
singlet oxygen Singlet Oxygen: An excited state of molecular oxygen generated photochemically or chemically. Singlet oxygen reacts with a variety of biological molecules such as NUCLEIC ACIDS; PROTEINS; and LIPIDS; causing oxidative damages. | 2.9 | 4 | 0 | chalcogen; monoatomic oxygen; nonmetal atom | macronutrient |
fenton's reagent Fenton's reagent: used for oxidizing sugars & alcohols | 1.99 | 1 | 0 | | |
lignin Lignin: The most abundant natural aromatic organic polymer found in all vascular plants. Lignin together with cellulose and hemicellulose are the major cell wall components of the fibers of all wood and grass species. Lignin is composed of coniferyl, p-coumaryl, and sinapyl alcohols in varying ratios in different plant species. (From Merck Index, 11th ed). lignin : A polyphenylpropanoid derived from three monolignol monomers: trans-p-coumaryl alcohol, coniferol and trans-sinapyl alcohol. There is extensive cross-linking and no defined primary structure. | 4.11 | 4 | 0 | | |
nemorensic acid nemorensic acid: structure in first source | 7.03 | 1 | 0 | | |
5-hydroxymethylfurfural 5-hydroxymethylfurfural: has antisickling activity; HMF is the causative component in honey that affects the presystemic metabolism and pharmacokinetics of GZ in-vivo. 5-hydroxymethylfurfural : A member of the class of furans that is furan which is substituted at positions 2 and 5 by formyl and hydroxymethyl substituents, respectively. Virtually absent from fresh foods, it is naturally generated in sugar-containing foods during storage, and especially by drying or cooking. It is the causative component in honey that affects the presystemic metabolism and pharmacokinetics of GZ in-vivo. | 5.32 | 15 | 0 | arenecarbaldehyde; furans; primary alcohol | indicator; Maillard reaction product |
benzofurans Benzofurans: Compounds that contain a BENZENE ring fused to a furan ring. | 2.08 | 1 | 0 | | |
lithium chloride Lithium Chloride: A salt of lithium that has been used experimentally as an immunomodulator.. lithium chloride : A metal chloride salt with a Li(+) counterion. | 2.05 | 1 | 0 | inorganic chloride; lithium salt | antimanic drug; geroprotector |
riboflavin vitamin B2 : Any member of a group of vitamers that belong to the chemical structural class called flavins that exhibit biological activity against vitamin B2 deficiency. Symptoms associated with vitamin B2 deficiency include glossitis, seborrhea, angular stomaitis, cheilosis and photophobia. The vitamers include riboflavin and its phosphate derivatives (and includes their salt, ionised and hydrate forms). | 2.03 | 1 | 0 | flavin; vitamin B2 | anti-inflammatory agent; antioxidant; cofactor; Escherichia coli metabolite; food colouring; fundamental metabolite; human urinary metabolite; mouse metabolite; photosensitizing agent; plant metabolite |
cotinine Cotinine: The N-glucuronide conjugate of cotinine is a major urinary metabolite of NICOTINE. It thus serves as a biomarker of exposure to tobacco SMOKING. It has CNS stimulating properties.. (-)-cotinine : An N-alkylpyrrolidine that consists of N-methylpyrrolidinone bearing a pyridin-3-yl substituent at position C-5 (the 5S-enantiomer). It is an alkaloid commonly found in Nicotiana tabacum. | 2.1 | 1 | 0 | N-alkylpyrrolidine; pyridines; pyrrolidin-2-ones; pyrrolidine alkaloid | antidepressant; biomarker; human xenobiotic metabolite; plant metabolite |
D-fructopyranose [no description available] | 2.97 | 4 | 0 | cyclic hemiketal; D-fructose; fructopyranose | sweetening agent |
tungsten carbide tungsten carbide: RN given refers to cpd with unspecified MF | 7.1 | 1 | 0 | | |
laccase Laccase: A copper-containing oxidoreductase enzyme that catalyzes the oxidation of 4-benzenediol to 4-benzosemiquinone. It also has activity towards a variety of O-quinols and P-quinols. It primarily found in FUNGI and is involved in LIGNIN degradation, pigment biosynthesis and detoxification of lignin-derived products. | 2.08 | 1 | 0 | | |
methyl radical [no description available] | 2.06 | 1 | 0 | organic radical | |
beta carotene beta Carotene: A carotenoid that is a precursor of VITAMIN A. Beta carotene is administered to reduce the severity of photosensitivity reactions in patients with erythropoietic protoporphyria (PORPHYRIA, ERYTHROPOIETIC).. provitamin A : A provitamin that can be converted into vitamin A by enzymes from animal tissues. | 1.96 | 1 | 0 | carotenoid beta-end derivative; cyclic carotene | antioxidant; biological pigment; cofactor; ferroptosis inhibitor; human metabolite; mouse metabolite; plant metabolite; provitamin A |
cysteine Cysteine: A thiol-containing non-essential amino acid that is oxidized to form CYSTINE.. L-cysteinium : The L-enantiomer of cysteinium.. cysteine : A sulfur-containing amino acid that is propanoic acid with an amino group at position 2 and a sulfanyl group at position 3. | 7.11 | 1 | 0 | cysteinium | fundamental metabolite |
silicon Silicon: A trace element that constitutes about 27.6% of the earth's crust in the form of SILICON DIOXIDE. It does not occur free in nature. Silicon has the atomic symbol Si, atomic number 14, and atomic weight [28.084; 28.086]. | 2.17 | 1 | 0 | carbon group element atom; metalloid atom; nonmetal atom | |
zeolites [no description available] | 2.08 | 1 | 0 | | |
phosphoramidite phosphoramidite: structure in first source. phosphoramidite : A compound with the general formula (RO)2PNR2. Phosphoramidites can be regarded as phosphites that have an NR2 instead of an OH group, or as amides of phosphorous acid. | 2.07 | 1 | 0 | | |
oligonucleotides [no description available] | 2.47 | 2 | 0 | | |
sodium hypochlorite Sodium Hypochlorite: It is used as an oxidizing and bleaching agent and as a disinfectant. (From Grant & Hackh's Chemical Dictionary, 5th ed). sodium hypochlorite : An inorganic sodium salt in which hypochlorite is the counterion. It is used as a bleaching and disinfecting agent and is commonly found in household bleach. | 1.98 | 1 | 0 | inorganic sodium salt | bleaching agent; disinfectant |
chloroaluminum tetrasulfophthalocyanine chloroaluminum tetrasulfophthalocyanine: RN given refers to parent cpd | 1.98 | 1 | 0 | | |