A New Strategy for Quality Evaluation and Identification of Representative Chemical Components in Polygonum multiflorum Thunb.

Figure 2

Chromatography of standard solution (a), RHSW (b) decoction pieces and PHSW (c) decoction pieces ((1) gallic acid,  min; (2) procyanidins B₁,  min; (3) catechin,  min; (4) gallate,  min; (5) aloe emodin glycoside,  min; (6) polydatin,  min; (7) stilbene glucoside,  min; (8) rhaponticin,  min; (9) resveratrol,  min; (10) emodin glycoside,  min; (11) physcion glycoside,  min; (12) aloe emodin,  min; (13) rhein,  min; (14) emodin,  min; (15) chrysophanol,  min; (16) physcion,  min).

(a)

(b)

(c)