Flavonols
Flavonols are a class of flavonoids that have the 3-hydroxyflavone backbone (IUPAC name : 3-hydroxy-2-phenylchromen-4-one). Their diversity stems from the different positions the phenolic -OH gro...
Flavonols - Wikipedia
Kaempferol
Kaempferol is a natural flavonol, a type of flavonoid, found in a variety of plants and plant-derived foods. Kaempferol is a yellow crystalline solid with a melting point of 276–278 °C (529–532&#...
Quercetin
Quercetin /ˈkwɜrsɨtɨn/ is a flavonol found in many fruits, vegetables, leaves and grains. It can be used as an ingredient in supplements, beverages, or foods.
Quercetin is a flavonoid widely distr...
Quercetin - Wikipedia
Quercetin 2,3-dioxygenase
In enzymology, a quercetin 2,3-dioxygenase (EC 1.13.11.24) is an enzyme that catalyzes the chemical reactionThus, the two substrates of this enzyme are quercetin and O2, whereas its 3 products are 2-(...
Quercetin 2,3-dioxygenase - Wikipedia
Flavonol synthase
In enzymology, a flavonol synthase (EC 1.14.11.23) is an enzyme that catalyzes the following chemical reaction :dihydroflavonol + 2-oxoglutarate + O2 a flavonol + succinate + CO2 + H2OThe 3 sub...
Flavonol 3-O-glucosyltransferase
In enzymology, a flavonol 3-O-glucosyltransferase (EC 2.4.1.91) is an enzyme that catalyzes the chemical reactionThus, the two substrates of this enzyme are UDP-glucose and flavonol, whereas its two p...
Fisetin
Fisetin (3, 7, 3′, 4′-tetrahydroxyflavone) is a flavonol, a structurally distinct chemical substance that belongs to the flavonoid group of polyphenols. It can be found in many plants, where it serves...
Fisetin - Wikipedia
Kaempferide
Kaempferide is an O-methylated flavonol, a type of chemical compound. It can be found in Kaempferia galanga (aromatic ginger).
The enzyme kaempferol 4'-O-methyltransferase uses S-adenosyl--methion...
Kaempferide - Wikipedia
Kaempferol 4'-O-methyltransferase
In enzymology, a kaempferol 4'-O-methyltransferase (EC 2.1.1.155) is an enzyme that catalyzes the chemical reactionThus, the two substrates of this enzyme are S-adenosyl methionine and kaempferol, whe...
Quercetagetin
Quercetagetin is a flavonol, a type of flavonoid. It can be found in the genus Eriocaulon.
Quercetagetin-6-O-β-D-glucopyranoside from Tagetes mandonii.
Quercetagetin - Wikipedia
Avicularin
Avicularin is a bio-active flavonol isolated from a number of plants including Polygonum aviculare, Rhododendron aureum and Taxillus kaempferi.It suppresses lipid accumulation through repression of C/...
Avicularin - Wikipedia
Quercetin-3-sulfate 4'-sulfotransferase
In enzymology, a quercetin-3-sulfate 4'-sulfotransferase (EC 2.8.2.27) is an enzyme that catalyzes the chemical reactionThus, the two substrates of this enzyme are 3'-phosphoadenylyl sulfate and querc...
Juglanin
Juglanin is a flavonol found in Polygonum aviculare.
3-Hydroxyflavone
3-Hydroxyflavone is a chemical compound. It is the backbone of all flavonols, a type of flavonoid. It is a synthetic compound, which is not found naturally in plants. It serves as a model molecule as ...
3-Hydroxyflavone - Wikipedia
Azalein
Azalein is a chemical compound. It is a flavonol, a type of flavonoid. It is the 3-O-α-L-rhamnoside of azaleatin. It can be found in the flowers of Plumbago and Rhododendron species.
Azalein - Wikipedia
Gossypetin
Gossypetin is a flavonol, a type of flavonoid. It has been isolated from the flowers and the calyx of Hibiscus sabdariffa (roselle) and exhibits a strong antibacterial activity.
The enzyme 8-hydro...
Gossypetin - Wikipedia
Quercetin 3-O-sulfate
Quercetin 3-sulfate is a plasma human metabolite of quercetin. It is the sulfate conjugate of quercetin.Quercetin-3-sulfate 3'-sulfotransferase is an enzyme that uses 3'-phosphoadenylyl sulfate and qu...
Quercetin 3-O-sulfate - Wikipedia
Morin (flavonol)
Morin is a chemical compound. It is a yellow color substance that can be isolated from Maclura pomifera (Osage orange), Maclura tinctoria (old fustic) and from leaves of Psidium guajava (common guava)...
Morin (flavonol) - Wikipedia
Myricetin O-methyltransferase
In enzymology, a myricetin O-methyltransferase (EC 2.1.1.149) is an enzyme that catalyzes the chemical reactionThus, the two substrates of this enzyme are S-adenosyl methionine and myricetin, whereas ...
Isorhamnetin
Isorhamnetin is an O-methylated flavonol, a type of flavonoid. It can be found in Tagetes lucida, a psychedelic plant from Mexico and Central America.
The enzyme quercetin 3-O-methyltransferase us...
Isorhamnetin - Wikipedia
Quercetin 3-O-methyltransferase
In enzymology, a quercetin 3-O-methyltransferase (EC 2.1.1.76) is an enzyme that catalyzes the chemical reactionThus, the two substrates of this enzyme are S-adenosyl methionine and 3,5,7,3',4'-pentah...
Karanjin
Karanjin, a furanoflavonol, a type of flavonoid. It is obtained from the seeds of the karanja tree (Millettia pinnata, aka Pongamia glabra Vent.), a tree growing wild in south India. Karanjin is an ac...
Santin (flavonol)
Santin is an O-methylated flavonol. It was isolated from Tanacetum microphyllum.
Santin (flavonol) - Wikipedia
Eupalin
Eupalin is a flavonol. It is the eupalitin 3-O-rhamnoside. It can be isolated from Eupatorium ligustrinum.
Eupalin - Wikipedia