METHODS:Radix Polygonum Muhiflori was steamed with black bean sauce for 2,4,6,8,10 h,respectively. The contents of nomadic and total anthraquinone were determined by the magnesium acetate colorimetry directly and after acidolysis,respectively.

 
  • 方法何首烏分別用黑豆汁拌蒸2、4、6、8、10h,采用直接醋酸鎂比色法和酸水解后醋酸鎂比色法,分別測定炮制飲片中游離蒽醌和總蒽醌的含量。
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