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[Objective]To study the preparation process of Radix paeoniae Alba processed with traditional technology,learn the effect of various processing procedures on the content of paeoniflorin and improve processing preparation method. [Methods] Samples of Radix paeoniae Alba were prepared with different processing technologies. High performance liquid chromatography method was used for the determination of the content paeoniflorin in Radix paeoniae Alba during various processing procedures. The changes of content were analyzed with external standard method. [Results]The effect of various procedures in traditional processing technology on the content of paeoniflorin in Radix paeoniae Alba varied. They all caused the loss of paeoniflorin. Prepared while fresh has least influence. The effect of boiling after peeling and fumigating with sulphur on the content of paeoniflorin reached the greatest. Cut into slices and processed with traditional processing technology could induce loss of paeoniflorin. [Conclusions]Processing Radix paeoniae Alba while it’s fresh,shorting preparation time and not processing with method of fumigating with sulfur can reduce the loss of paeoniflorin.
[Objective] To study the preparation process of Radix paeoniae Alba processed with traditional technology, learn the effect of various processing procedures on the content of paeoniflorin and improve processing preparation method. [Methods] Samples of Radix paeoniae Alba were prepared with different processing technologies. High performance liquid chromatography method was used for the determination of the content paeoniflorin in Radix paeoniae Alba during various processing procedures. The changes of content were analyzed with external standard method. [Results] The effect of various procedures in traditional processing technology on the content of They all caused the loss of paeoniflorin. Prepared while fresh has least influence. The effect of boiling after peeling and fumigating with sulfur on the content of paeoniflorin reached the greatest. Cut into slices and processed with traditional processing technology could induce loss of paeoniflor in. [Conclusions] Processing Radix paeoniae Alba while it’s fresh, shorting preparation time and not processing with method of fumigating with sulfur can reduce the loss of paeoniflorin.