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The UHPLC chromatogram of the quantitative analysis of 11 components. (a) The mixed standard solutions of 11 components. (b) The P. multiflorum extract (1 = gallic acid, 2 = catechin, 3 = epicatechin, 4 = polydatin, 5 = 2,3,5,4′-tetrahydroxystilbene-2-O-β-D-glucoside, 6 = resveratrol, 7 = emodin-8-O-glucoside, 8 = physcion-8-O-glucoside, 9 = rhein, 10 = emodin, and 11 = physcion).
