Fig. 10

HPLC chromatogram of blank plasma a; HPLC chromatogram of mixed anthraquinone reference substance + blank plasma b; HPLC chromatogram of medicated plasma c, aloe-emodin-8-O-β-d-glucoside (1), rhein-8-O-β-d-glucoside (2), chrysophanol-8-O-β-d-glucoside (3), emodin-8-O-β-d-glucoside (4), physcion-8-O-β-d-glucoside (5), aloe-emodin (6), rhein (7), chrysophanol (8), emodin (9), and physcion (10)