High Speed, High Resolution Analysis of Paeoniflorin in Peony Root

Peony root is an herbal medicine that is often used in Chinese herbal preparations as paeoniae radix for its anti-inflammatory, analgesic, antibacterial,hemostatic, and anticonvulsant activity. It is often mixed with other herbal medicines in traditional Chinese herbal remedies.
Fig. 1 shows the structural formulas of paeoniflorin and albiflorin, also a constituent of peony root. The Japanese Pharmacopeia specifies that albiflorin be included with paeoniflorin in the resolution solution to verify that separation of the principal substance is adequate.