Metabolomics Approach for Discrimination and Quality Control of Natural and Commercial Fallopia multiflora Products in Vietnam

Figure 1

Chemical structures of seven standard compounds. (a) 2,3,4′,5-tetrahydroxystilbene 2-O-β-D-glucopyranoside. (b) Physcionin. (c) Emodin 8-glucoside. (d) Emodin. (e) 6-hydroxymusizin 8-O-α-D-apiofuranapiofuranosyl-(1-->6)-β-D-glucopyranoside. (f) Pleuropyrone A. (g) Torachrysone 8-O-β-D-glucopyranoside.

(a)

(b)

(c)

(d)

(e)

(f)

(g)