A kaempferol O-glucoside in which the hydroxy hydrogen at position 3 of kaempferol has been replaced by a gentiobiosyl group.
InChI=1S/C27H30O16/c28-7-14-17(32)20(35)22(37)26(41-14)39-8-15-18(33)21(36)23(38)27(42-15)43-25-19(34)16-12(31)5-11(30)6-13(16)40-24(25)9-1-3-10(29)4-2-9/h1-6,14-15,17-18,20-23,26-33,35-38H,7-8H2/t14-,15-,17-,18-,20+,21+,22-,23-,26-,27+/m1/s1
Kaempferol 3-O-gentiobioside (K3G), isolated from C. alata as an abundant flavonoid glycoside, K3G has antiinflammatory activity, shows weak inhibitory effects on Concanavalin A-induced histamine release, 5-lipoxygenase, and COX-1. [1]
English website: Kaempferol 3-gentiobioside
Japanese website: Kaempferol 3-gentiobioside
Chinese website: Kaempferol 3-gentiobioside
[1] Moriyama H, Iizuka T, Nagai M, et al. Yakugaku Zasshi , 2003, 123(7):607-11.
[2] Peng H E, Wang G C, Yao-Lan L I, et al. Central South Pharmacy, 2014(1):66-9.