Figure 3From: Comparison of raw and processed Radix Polygoni Multiflori (Heshouwu) by high performance liquid chromatography and mass spectrometryChemical structures of the identified compounds in the HPLC chromatograms Peak 1: catechin; Peak 2: 2,3,5,4'-tetrahydroxystilbene-2-O- β -D- glucopyranoside; Peak 3: 1,3-dihydroxy-6,7-dimethylxanthone-1- O - β - D -glucopyranoside; Peak 4: torachrysone-8- O - β - D -glucopyranoside; Peak 5: emodin-8- O - β - D - glucopyranoside; Peak 6: emodin-8-(6'- O -malonyl)-glucoside; Peak 7: physcion-8- O - β - D - glucopyranoside; Peak 8: physcion-8- O -(6'- O - malonyl)-glucoside; Peak 9: emodin; Peak 10: physcion.Back to article page