• Archives of Pharmacal Research
• /
• v.15 no.4
• /
• pp.365-370
• /
• 1992

Seven flavonoids were isolated from the aerial parts of Lonicera japonica. Their structures were characterized as hydnocarpin 1, quercetin 2, ochnaflavone 3, ochnaflavone 4'-O-methylether 4, astragalin 5, isoquercitrin 6, and rhoifolin 7 by chemical and spectroscopic evidences.