controlled study 6 drug isolation 6 flavonoid 6 flavonoids kaempferol 3 o beta robinobioside 7 o alpha levo rhamnopyranoside 6 nicotiflorin 6 nonhuman 6 phytochemistry 6 plant extract 6 short survey 6 traditional medicine 6 unclassified drug 6 unindexed drug 6 garbanzol 4 kaempferol 3 o beta d diglucopyranoside 7 o beta d glucopyranoside 4 quercetagetin 3,3',4',5,6 penta o methyl ether 4 quercetin 3 methyl ether 4 quercetin 3 o beta robinobioside 7 o alpha levo rhamnopyranoside 4 quercetin 3 sophoroside 4 rutoside 4 3 hydroxy 4 methoxyflavone 2 3 hydroxy 4' methoxyflavone 2 4',7 dihydroxyflavone 7 o alpha levo rhamnopyranoside 2 Phaseolus spp 2 Vigna adenantha 2 Vigna candida 2 Vigna luteola 2 Vigna peduncularis 2 Vigna spiralis 2 apigenin 7 o beta d glucopyranoside 2