Absorption and transport characteristic of paeoniflorin and its derivatives in model of Caco-2 cell monolayers Studies on chemical constituents of Guizhi Fuling Capsule (Ⅲ) Evaluation on processing technology for bran-fried Paeoniae Alba Radix by multi-index comprehensive weighted mark method Studies on chemical constituents of Guizhi Fuling Capsule (III) Fingerprint and multi-components quantitative determination for Huoxuetongluo Injection by UPLC