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The purpose is to research compound prescribe compatibility of medicines have some influence on anthraquinone which is the gentleman medicine CRC's valid composition dissolution rate in San Cheng Qi Tang. The method. Adopting respectively RP - HPLC and colorimetric method, measure the content of liberation3 methylchrysazin and 3 - methylchrysazin and combined 3 - methylchrysazin and 3 - methylchrysazin total liberation anthraquinone and total combined anthraquinone in the different decoction water liquid coming from single CRC the different decoction and compatibility of medicines method of San Cheng Qi Tang. The result: Compared with CRC single flavor decoction water, liberation anthraquinone and combined anthraquinone content show differently in the most decoction water liquid, Combined 3 - methylchrysazin and combined anthraquinone content in decoction prescribe as follows in proper order decrease:Da Cheng Qi Tang ＞ Xiao San Cheng Qi Tang ＞ Tiao Wei Cheng Qi Tang. The conclusion: Because CRC mate with different medicine material . different decoction method, liberation anthraquinone and combined anthraquinone content in San Cheng Qi Tang change. The combined 3 methylchrysazin and combined anthraquinon content variety order in accordance with its decanta bottom function.
