| Substance | Relationship Strength | Studies | Trials | Classes | Roles |
|---|
protocatechuic acid
protocatechuic acid: RN given refers to parent cpd; structure. 3,4-dihydroxybenzoic acid : A dihydroxybenzoic acid in which the hydroxy groups are located at positions 3 and 4. | 2.08 | 1 | 0 | catechols;
dihydroxybenzoic acid | antineoplastic agent;
EC 1.1.1.25 (shikimate dehydrogenase) inhibitor;
EC 1.14.11.2 (procollagen-proline dioxygenase) inhibitor;
human xenobiotic metabolite;
plant metabolite |
gallic acid
gallate : A trihydroxybenzoate that is the conjugate base of gallic acid. | 3.86 | 11 | 0 | trihydroxybenzoic acid | antineoplastic agent;
antioxidant;
apoptosis inducer;
astringent;
cyclooxygenase 2 inhibitor;
EC 1.13.11.33 (arachidonate 15-lipoxygenase) inhibitor;
geroprotector;
human xenobiotic metabolite;
plant metabolite |
3,4-dihydroxybenzohydroxamic acid
[no description available] | 1.99 | 1 | 0 | benzoic acids | |
niflumic acid
Niflumic Acid: An analgesic and anti-inflammatory agent used in the treatment of rheumatoid arthritis. | 2.07 | 1 | 0 | aromatic carboxylic acid;
pyridines | |
propyl gallate
Propyl Gallate: Antioxidant for foods, fats, oils, ethers, emulsions, waxes, and transformer oils. | 2.08 | 1 | 0 | trihydroxybenzoic acid | |
quinic acid
(-)-quinic acid : The (-)-enantiomer of quinic acid. | 2.41 | 1 | 0 | | |
methyl gallate
methyl gallate: has both immunosuppressive and phytogenic antineoplastic activities; isolated from Acer saccharinum. methyl 3,4,5-trihydroxybenzoate : A gallate ester obtained by the formal condensation of gallic acid with methanol. It exhibits anti-oxidant, anti-tumor, anti-microbial and anti-inflammatory properties. | 2.52 | 2 | 0 | gallate ester | anti-inflammatory agent;
antioxidant;
plant metabolite |
thiophenes
Thiophenes: A monocyclic heteroarene furan in which the oxygen atom is replaced by a sulfur.. thiophenes : Compounds containing at least one thiophene ring. | 2.11 | 1 | 0 | mancude organic heteromonocyclic parent;
monocyclic heteroarene;
thiophenes;
volatile organic compound | non-polar solvent |
vanillic acid
Vanillic Acid: A flavoring agent. It is the intermediate product in the two-step bioconversion of ferulic acid to vanillin. (J Biotechnol 1996;50(2-3):107-13).. vanillic acid : A monohydroxybenzoic acid that is 4-hydroxybenzoic acid substituted by a methoxy group at position 3. | 2.08 | 1 | 0 | methoxybenzoic acid;
monohydroxybenzoic acid | plant metabolite |
catechin
Catechin: An antioxidant flavonoid, occurring especially in woody plants as both (+)-catechin and (-)-epicatechin (cis) forms.. catechin : Members of the class of hydroxyflavan that have a flavan-3-ol skeleton and its substituted derivatives.. rac-catechin : A racemate comprising equimolar amounts of (+)- and (-)-catechin. (+)-catechin : The (+)-enantiomer of catechin and a polyphenolic antioxidant plant metabolite. | 2.46 | 2 | 0 | catechin | antioxidant;
plant metabolite |
thiazoles
[no description available] | 2.05 | 1 | 0 | 1,3-thiazoles;
mancude organic heteromonocyclic parent;
monocyclic heteroarene | |
psoromic acid
psoromic acid: structure in first source | 1.99 | 1 | 0 | carbonyl compound | |
1,4,5,8-naphthalenetetracarboxylic acid
1,4,5,8-naphthalenetetracarboxylic acid: structure given in first source | 2.41 | 2 | 0 | | |
epigallocatechin gallate
epigallocatechin gallate: a steroid 5alpha-reductase inhibitor and antimutagen in green tea (Camellia sinensis). (-)-epigallocatechin 3-gallate : A gallate ester obtained by the formal condensation of gallic acid with the (3R)-hydroxy group of (-)-epigallocatechin. | 2.06 | 1 | 0 | flavans;
gallate ester;
polyphenol | antineoplastic agent;
antioxidant;
apoptosis inducer;
geroprotector;
Hsp90 inhibitor;
neuroprotective agent;
plant metabolite |
1,2,3,4,6-pentakis-O-galloyl-beta-D-glucose
pentagalloylglucose: pentahydroxy gallic acid ester of glucose; a phytogenic antineoplastic agent and antibacterial agent. 1,2,3,4,6-pentakis-O-galloyl-beta-D-glucose : A galloyl-beta-D-glucose compound having five galloyl groups in the 1-, 2-, 3-, 4- and 6-positions. | 2.08 | 1 | 0 | gallate ester;
galloyl beta-D-glucose | anti-inflammatory agent;
antineoplastic agent;
geroprotector;
hepatoprotective agent;
plant metabolite;
radiation protective agent;
radical scavenger |
n,n'-bis(salicyl)hydrazine
N,N'-bis(salicyl)hydrazine: structure in first source | 2.02 | 1 | 0 | | |
physodic acid
physodic acid: lichen constituent | 1.99 | 1 | 0 | carbonyl compound | |
5,5'-methylenedisalicylic acid
5,5'-methylenedisalicylic acid: inhibits attachment of ribosomes to microsomal membranes; RN given refers to parent cpd; structure in first source & Merck Index, 9th ed, #5934 | 1.99 | 1 | 0 | | |
atranorin
atranorin: RN given refers to parent cpd; structure given in first source | 1.99 | 1 | 0 | carbonyl compound | |
epicatechin
(-)-epicatechin : A catechin with (2R,3R)-configuration. | 2.08 | 1 | 0 | catechin;
polyphenol | antioxidant |
gallocatechol
(-)-epigallocatechin : A flavan-3,3',4',5,5',7-hexol having (2R,3R)-configuration. | 2.08 | 1 | 0 | catechin;
flavan-3,3',4',5,5',7-hexol | antioxidant;
food component;
plant metabolite |
methyl fluorone black
methyl fluorone black: structure | 1.99 | 1 | 0 | | |
stictic acid
stictic acid: antioxidant from lichen, Usnea articulata; structure in first source | 1.99 | 1 | 0 | aromatic ether | |
diffractaic acid
difractaic acid: from Lichen, Usnea steineri; active against Gram-positive, multidrug-resistant bacteria; structure in first source | 1.99 | 1 | 0 | carbonyl compound | |
3,4,5-trihydroxybenzohydroxamic acid
[no description available] | 1.99 | 1 | 0 | | |
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. | 2.04 | 1 | 0 | proanthocyanidin | |
pannarin
pannarin: photoirradiation of above cpd leads to its decomposition which is reduced by oxygen. pannarin : A member of the class of depsidones that is 11H-dibenzo[b,e][1,4]dioxepine substituted by methyl groups at positions 1,6 and 9, chloro group at position 2, hydroxy group at position 3, formyl group at position 4, methoxy group at position 8 and an oxo group at position 11. It is a lichen metabolite isolated from several Psoroma species. | 2.41 | 2 | 0 | aldehyde;
aromatic ether;
depsidones;
organic heterotricyclic compound;
organochlorine compound;
phenols | antimicrobial agent;
antineoplastic agent;
apoptosis inducer;
lichen metabolite |
methyl 3,4-dihydroxybenzoate
[no description available] | 2.08 | 1 | 0 | catechols;
methyl ester | antioxidant;
neuroprotective agent;
plant metabolite |
3,4-dihydroxyphenylpropionic acid
3,4-dihydroxyphenylpropionic acid: metabolite of caffeic acid; RN given refers to parent cpd; structure. 3-(3,4-dihydroxyphenyl)propanoic acid : A monocarboxylic acid that is 3-phenylpropionic acid substituted by hydroxy groups at positions 3 and 4. Also known as dihydrocaffeic acid, it is a metabolite of caffeic acid and exhibits antioxidant activity. | 2.08 | 1 | 0 | (dihydroxyphenyl)propanoic acid | antioxidant;
human xenobiotic metabolite |
arbutin
hydroquinone O-beta-D-glucopyranoside : A monosaccharide derivative that is hydroquinone attached to a beta-D-glucopyranosyl residue at position 4 via a glycosidic linkage. | 1.98 | 1 | 0 | beta-D-glucoside;
monosaccharide derivative | Escherichia coli metabolite;
plant metabolite |
theasinensin a
theasinensin A: a tea polyphenol formed from (-)-epigallocatechin gallate, suppresses antibiotic resistance of methicillin-resistant Staphylococcus aureus. theasinensin A : A biflavonoid that is obtained by coupling of two molecules of (-)-epigallocatechin 3-gallate resulting in a bond between positions C-2 of the hydroxyphenyl ring. It is a natural product found in oolong tea. | 2.06 | 1 | 0 | biflavonoid;
gallate ester;
proanthocyanidin | anti-inflammatory agent;
anticoronaviral agent;
apoptosis inducer;
EC 3.2.1.20 (alpha-glucosidase) inhibitor;
hepatoprotective agent;
hypoglycemic agent;
melanin synthesis inhibitor;
plant metabolite |
(+)-usnic acid
[no description available] | 1.99 | 1 | 0 | usnic acid | |
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). | 2.07 | 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 |
caffeic acid
trans-caffeic acid : The trans-isomer of caffeic acid. | 2.08 | 1 | 0 | caffeic acid | geroprotector;
mouse metabolite |
chlorogenic acid
caffeoylquinic acid: Antiviral Agent; structure in first source. chlorogenate : A monocarboxylic acid anion that is the conjugate base of chlorogenic acid; major species at pH 7.3. | 1.99 | 1 | 0 | cinnamate ester;
tannin | food component;
plant metabolite |
1,1-diphenyl-2-picrylhydrazyl
1,1-diphenyl-2-picrylhydrazyl: A diphenyl picrate; the ability to decolorize this stable radical indicates reactivity of tested compounds (Banda, Anal Chem 46:1772-7 1974) | 2.07 | 1 | 0 | | |
quercetin
[no description available] | 2.42 | 2 | 0 | 7-hydroxyflavonol;
pentahydroxyflavone | antibacterial agent;
antineoplastic agent;
antioxidant;
Aurora kinase inhibitor;
chelator;
EC 1.10.99.2 [ribosyldihydronicotinamide dehydrogenase (quinone)] inhibitor;
geroprotector;
phytoestrogen;
plant metabolite;
protein kinase inhibitor;
radical scavenger |
quercitrin
[no description available] | 1.98 | 1 | 0 | alpha-L-rhamnoside;
monosaccharide derivative;
quercetin O-glycoside;
tetrahydroxyflavone | antileishmanial agent;
antioxidant;
EC 1.1.1.184 [carbonyl reductase (NADPH)] inhibitor;
EC 1.1.1.21 (aldehyde reductase) inhibitor;
EC 1.14.18.1 (tyrosinase) inhibitor;
plant metabolite |
myricetin
[no description available] | 2.08 | 1 | 0 | 7-hydroxyflavonol;
hexahydroxyflavone | antineoplastic agent;
antioxidant;
cyclooxygenase 1 inhibitor;
food component;
geroprotector;
hypoglycemic agent;
plant metabolite |
fumarprotocetraric acid
fumarprotocetraric acid: RN given refers to (E)-isomer; structure given in first source | 1.99 | 1 | 0 | carbonyl compound | |
salazinic acid
salazinic acid: lichen metabolite; structure in first source | 1.99 | 1 | 0 | | |
2,2'-azino-di-(3-ethylbenzothiazoline)-6-sulfonic acid
2,2'-azino-di-(3-ethylbenzothiazoline)-6-sulfonic acid: chromogen in glucose oxidase-peroxidase method for determining serum glucose; used in free radical scavenging assays; structure in first source | 2.05 | 1 | 0 | | |
4,5-di-O-caffeoylquinic acid
[no description available] | 1.99 | 1 | 0 | quinic acid | |
tannins
gallotannin : A class of hydrolysable tannins obtained by condensation of the carboxy group of gallic acid (and its polymeric derivatives) with the hydroxy groups of a monosaccharide (most commonly glucose). | 2.08 | 1 | 0 | tannin | |
tannins
Tannins: Polyphenolic compounds with molecular weights of around 500-3000 daltons and containing enough hydroxyl groups (1-2 per 100 MW) for effective cross linking of other compounds (ASTRINGENTS). The two main types are HYDROLYZABLE TANNINS and CONDENSED TANNINS. Historically, the term has applied to many compounds and plant extracts able to render skin COLLAGEN impervious to degradation. The word tannin derives from the Celtic word for OAK TREE which was used for leather processing. | 2.49 | 2 | 0 | | |
4,7-Dihydroxy-2H-1-benzopyran-2-one
[no description available] | 2.02 | 1 | 0 | hydroxycoumarin | |
ellagitannin
ellagitannin: structure; precoxin A/ praecoxin A is a purified ellagitannin. ellagitannin : A form of hydrolysable tannin produced from ellagic acid. Ellagitannins are glucosides which are readily hydrolysed by water to regenerate ellagic acid when the plants are eaten. | 7.08 | 1 | 0 | | |
allopurinol
Allopurinol: A XANTHINE OXIDASE inhibitor that decreases URIC ACID production. It also acts as an antimetabolite on some simpler organisms.. allopurinol : A bicyclic structure comprising a pyrazole ring fused to a hydroxy-substituted pyrimidine ring. | 2.05 | 1 | 0 | nucleobase analogue;
organic heterobicyclic compound | antimetabolite;
EC 1.17.3.2 (xanthine oxidase) inhibitor;
gout suppressant;
radical scavenger |