| flavonoid 3'-monooxygenase | <enzyme> Nadph, dioxygen dependent hydroxylase Registry number: EC 1.14.13.21 Synonym: flavonoid 3'-hydroxylase (26 Jun 1999) |
|---|---|
| flavonoids | Substances of plant origin containing flavone in various combinations (anthoxanthins, apigenins, flavones, quercitins, etc.) and with varying biological activities. (05 Mar 2000) |
| flavonol | 1. Reduced flavone. 2. Flavone hydroxylated at position 3; a member of a class of vascular pigments. (05 Mar 2000) |
| flavonol 2'-O-glucosyltransferase | <enzyme> Transfers glucose from udpg to position 2' of partially methylated flavonols Registry number: EC 2.4.1- (26 Jun 1999) |
| flavonol 3-O-glucosyltransferase | <enzyme> Acts on a variety of flavonols including quercetin and quercetin 7-o-glucoside Registry number: EC 2.4.1.91 Synonym: flavonoid o-3-glucosyltransferase, udpglucose-flavonoid 3-o-glucosyltransferase, flavonol o(3)-glucosyltransferase, udpglucose-flavonol glucosyltransferase (26 Jun 1999) |
| flavonol 3-sulfotransferase | <enzyme> Acts on quercetin; isorhamnetin; rhamnetin and kaempferol Registry number: EC 2.8.2.25 Synonym: quercetin 3-sulfotransferase (26 Jun 1999) |
| flavonol 4'-sulfotransferase | <enzyme> Adds a second sulfate to various flavonol 3-sulfates Registry number: EC 2.8.2.- (26 Jun 1999) |
| flavonol synthase | <enzyme> Isolated from petunia hybrida; catalyses the dehydrogenation of dihydroflavonols to flavonols Registry number: EC 1.3.- Synonym: fls gene product (26 Jun 1999) |
| flavoprotein | <protein> A protein that has a flavin nucleotide (covalently or noncovalently linked) as prosthetic group. These are oxidoreductase enzymes that are involved in the transfer of H atoms from a donor to an acceptor. (18 Nov 1997) |
| flavor | 1. The quality affecting the taste or odour of any substance. 2. A therapeutically inert substance added to a prescription to give an agreeable taste to the mixture. Origin: M.E., fr. O. Fr., fr. L.L. Flator, aroma, fr. Flo, to blow (05 Mar 2000) |
| flavoring agents | Pharmaceutical or other preparations for improving the taste of a food or medicine. (12 Dec 1998) |
| flavouridin | <protein> See disintegrin. (18 Nov 1997) |
| flavoxate | <chemical> A drug that has been used in various urinary syndromes and as an antispasmodic. Its therapeutic usefulness and its mechanism of action are not clear. It may have local anaesthetic activity and direct relaxing effects on smooth muscle as well as some activity as a muscarinic antagonist. Pharmacological action: parasympatholytics. Chemical name: 4H-1-Benzopyran-8-carboxylic acid, 3-methyl-4-oxo-2-phenyl-, 2-(1-piperidinyl)ethyl ester (12 Dec 1998) |
| flavoxate hydrochloride | 2-Piperidinoethyl 3-methyl-4-oxo-2-phenyl-4H-1-benzopyran-8-carboxylate hydrochloride;a smooth muscle relaxant for the urinary tract. (05 Mar 2000) |
| flavus | Latin for yellow. Origin: L. (05 Mar 2000) |