Research Article

Single Standard Substance for the Simultaneous Determination of Eleven Components in the Extract of Paeoniae Radix Alba (Root of Paeonia lactiflora Pall.)

Figure 1

The structures of the eleven components determined. (a) Paeoniflorin. (b) Benzoylpaeoniflorin. (c) Galloylpaeoniflorin. (d) Oxypaeoniflorin. (e) Catechin. (f) Albiflorin. (g) Pentagalloylglucose. (h) Paeonol. (i) Benzoic acid. (j) Gallic acid. (k) Ethyl gallate.