Lophatheri Herba (Danzhuye; LH), the dried leaves of Lophatherum gracile Brongn (Poaceae),is commonly used in Chinese herbal medicine as an antipyretic, antibacterial, and diuretic. Chemical analysis has been conducted to isolate and identify seven major flavonoid glycosides,including a new flavone C-glycoside, luteolin 6-C-b-D-glucuronopyranosyl-(1/2)-b-D-glucopyranoside (1), isoorientin (2), …