| Substance | Relationship Strength | Studies | Trials | Classes | Roles |
|---|
toluene
methylbenzene : Any alkylbenzene that is benzene substituted with one or more methyl groups. | 2 | 1 | 0 | methylbenzene;
toluenes;
volatile organic compound | cholinergic antagonist;
fuel additive;
neurotoxin;
non-polar solvent |
beta-cyclocitral
beta-cyclocitral: structure in first source. beta-cyclocitral : A monoterpenoid formally derived from citral by cyclisation. It is a volatile compound produced by a cyanobacteria. | 2.54 | 2 | 0 | monoterpenoid | bacterial metabolite |
diphenylamine
Diphenylamine: In humans it may be irritating to mucous membranes. Methemoglobinemia has been produced experimentally. In veterinary use, it is one of active ingredients in topical agents for prevention and treatment of screwworm infestation. An indicator in tests for nitrate poisoning.. diphenylamine : An aromatic amine containing two phenyl substituents. It has been used as a fungicide for the treatment of superficial scald in apples and pears, but is no longer approved for this purpose within the European Union. | 2.13 | 1 | 0 | aromatic amine;
bridged diphenyl fungicide;
secondary amino compound | antifungal agrochemical;
antioxidant;
carotogenesis inhibitor;
EC 1.3.99.29 [phytoene desaturase (zeta-carotene-forming)] inhibitor;
ferroptosis inhibitor;
radical scavenger |
d-alpha tocopherol
Vitamin E: A generic descriptor for all TOCOPHEROLS and TOCOTRIENOLS that exhibit ALPHA-TOCOPHEROL activity. By virtue of the phenolic hydrogen on the 2H-1-benzopyran-6-ol nucleus, these compounds exhibit varying degree of antioxidant activity, depending on the site and number of methyl groups and the type of ISOPRENOIDS.. tocopherol : A collective name for a group of closely related lipids that contain a chroman-6-ol nucleus substituted at position 2 by a methyl group and by a saturated hydrocarbon chain consisting of three isoprenoid units. They are designated as alpha-, beta-, gamma-, and delta-tocopherol depending on the number and position of additional methyl substituents on the aromatic ring. Tocopherols occur in vegetable oils and vegetable oil products, almost exclusively with R,R,R configuration. Tocotrienols differ from tocopherols only in having three double bonds in the hydrocarbon chain.. vitamin E : Any member of a group of fat-soluble chromanols that exhibit biological activity against vitamin E deficiency. The vitamers in this class consists of a chroman-6-ol core which is substituted at position 2 by a methyl group and (also at position 2) either a saturated or a triply-unsaturated hydrocarbon chain consisting of three isoprenoid units. The major function of vitamin E is to act as a natural antioxidant by scavenging free radicals and molecular oxygen.. (R,R,R)-alpha-tocopherol : An alpha-tocopherol that has R,R,R configuration. The naturally occurring stereoisomer of alpha-tocopherol, it is found particularly in sunflower and olive oils. | 2 | 1 | 0 | alpha-tocopherol | algal metabolite;
antiatherogenic agent;
anticoagulant;
antioxidant;
antiviral agent;
EC 2.7.11.13 (protein kinase C) inhibitor;
immunomodulator;
micronutrient;
nutraceutical;
plant metabolite |
sabinene
sabinene: RN given refers to cpd without isomeric designation. sabinene : A thujene that is a bicyclic monoterpene isolated from the essential oils of various plant species. | 4.41 | 1 | 1 | thujene | plant metabolite |
nicosulfuron
nicosulfuron: inhibits ACETOLACTATE SYNTHASE; Accent is DuPont brand name. nicosulfuron : A N-sulfonylurea that is 2-(carbamoylsulfamoyl)-N,N-dimethylpyridine-3-carboxamide substituted by a 4,6-dimethoxypyrimidin-2-yl group at the amino nitrogen. | 2.08 | 1 | 0 | N-sulfonylurea;
pyridines;
pyrimidines | environmental contaminant;
herbicide;
xenobiotic |
fluoromethyl 2,2-difluoro-1-(trifluoromethyl)vinyl ether
fluoromethyl 2,2-difluoro-1-(trifluoromethyl)vinyl ether: structure CF2=C(CF3)OCH2F; a vinyl ether | 2.6 | 1 | 0 | organofluorine compound | |
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. | 2.41 | 1 | 0 | chalcogen;
monoatomic oxygen;
nonmetal atom | macronutrient |
lycopene
[no description available] | 5.86 | 8 | 1 | acyclic carotene | antioxidant;
plant metabolite |
violaxanthin
violaxanthin: a carotene epoxide that is precursor to capsanthin; one of 3 xanthophylls involved in evolution of plastids of green plants (oxygen evolution); 3 (violaxanthin, zeaxanthin & antheraxanthin) participate in series of photo-induced interconversions known as ''violaxanthin cycle''; structure; cleavage of 9-cis-epoxycarotenoids (violaxanthin) to xanthoxin, catalyzed by 9-cis-epoxycarotenoid dioxygenase, is the key regulatory step of ABSCISIC ACID biosynthesis. violaxanthin : An epoxycarotenol that is 5,5',6,6'-tetrahydro-5,6:5',6'-diepoxy-beta,beta-carotene substituted by hydroxy groups at positions 3 and 3'. It is the naturally occurring xanthophyll pigment found in a variety of plants.. all-trans-violaxanthin : The all-trans-stereoisomer of violaxanthin. | 2.07 | 1 | 0 | violaxanthin | food colouring |
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. | 2.54 | 2 | 0 | ionone | antioxidant;
fragrance |
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 |
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. | 3.15 | 5 | 0 | carotenoid beta-end derivative;
cyclic carotene | antioxidant;
biological pigment;
cofactor;
ferroptosis inhibitor;
human metabolite;
mouse metabolite;
plant metabolite;
provitamin A |
(all-e) phytoene
(all-E) phytoene: C40 carotenoid biosynthesized in bacteria; minor descriptor (75-84); EP to CAROTENOIDS (85); on-line & Index Medicus search CAROTENOIDS (75-85); RN given refers to (all-trans)-isomer; RN for cpd without isomeric designation. all-trans-phytoene : The all-trans-isomer of phytoene. | 5.48 | 5 | 1 | phytoene | plant metabolite |
neurosporene
[no description available] | 5.29 | 4 | 1 | acyclic carotene | |
fucoxanthin
fucoxanthin: RN given refers to (3S,3'S,5R,5'R,6S,6'R)-isomer. fucoxanthin : An epoxycarotenol that is found in brown seaweed and which exhibits anti-cancer, anti-diabetic, anti-oxidative and neuroprotective properties. | 2.07 | 1 | 0 | | |
lutein
Lutein: A xanthophyll found in the major LIGHT-HARVESTING PROTEIN COMPLEXES of plants. Dietary lutein accumulates in the MACULA LUTEA.. xanthophyll : A subclass of carotenoids consisting of the oxygenated carotenes. | 2.08 | 1 | 0 | carotenol | food colouring;
plant metabolite |
rhodopin
rhodopin: RN given for (all-trans)-isomer; structure in first source. rhodopin : A carotenol having the structure of 1,2-dihydro-psi,psi-carotene with a hydroxy function at C-1. | 2.13 | 1 | 0 | carotenol;
tertiary alcohol | bacterial metabolite |
rhodovibrin
rhodovibrin: structure in first source | 2.13 | 1 | 0 | xanthophyll | |
spirilloxanthin
spirilloxanthin : A carotenoid ether that is (3E,3'E)-1,1'-dihydroxy-3,3',4,4'-tetradehydro-1,1',2,2'-tetrahydro-psi,psi-carotene in which both hydroxyl hydrogens are replaced by methyl groups. | 2.13 | 1 | 0 | carotenoid ether | bacterial metabolite |
abscisic acid
Abscisic Acid: Abscission-accelerating plant growth substance isolated from young cotton fruit, leaves of sycamore, birch, and other plants, and from potatoes, lemons, avocados, and other fruits.. (S)-2-trans-abscisic acid : A 2-trans-abscisic acid with (S)-configuration at the chiral centre.. (+)-abscisic acid : The naturally occurring (1'S)-(+) enantiomer of abscisic acid. It is an important sesquiterpenoid plant hormone which acts as a regulator of plant responses to environmental stresses such as drought and cold. | 2.25 | 1 | 0 | 2-trans-abscisic acid | |
spheroidene
spheroidene: one of main carotenoids in Rhodopseudomonas spheroides; structure. spheroidene : The cartenoid ether that is the methyl ether of 3,4-didehydro-1,2,7',8'-tetrahydro-psi,psi-caroten-1-ol. | 2.13 | 1 | 0 | carotenoid ether | |
diadinoxanthin
diadinoxanthin: RN given refers to (beta,beta)-(3S,3'R,5R,6S)-isomer; structure given in first source | 2.07 | 1 | 0 | triterpenoid | |
phytofluene
phytofluene: RN given refers to cpd without isomeric designation | 5.64 | 6 | 1 | phytofluene | |
neoxanthin
neoxanthin: one of the main carotenoids in chloroplasts of higher plants and algae; RN given refers to (9'-cis)-isomer. neoxanthin : An epoxycarotenoid that is 6,7-didehydro-5,5',6,6'-tetrahydro-5',6'-epoxy-beta,beta-carotene which is substituted by hydroxy groups at the 3, 3', and 5 positions. | 2.07 | 1 | 0 | | |
heme
Heme: The color-furnishing portion of hemoglobin. It is found free in tissues and as the prosthetic group in many hemeproteins.. ferroheme : Any iron(II)--porphyrin coordination complex.. ferroheme b : Heme b in which the iron has oxidation state +2.. heme : A heme is any tetrapyrrolic chelate of iron. | 2.59 | 2 | 0 | | |