方法采用超声技术提取熊果酸，并采用高效液相色谱（HPLC）法测定其含量。
Methods Ultrasonic technology was used to extract ursolic acid and determine the content by HPLC.
对比考察六味地黄细粉及超微粉中目标成分熊果酸及丹皮酚的含量、溶出特性。
The contents and dissolving characteristic of target compositions Ursolic acid and Paeonol of Liuwei Dihuang powder and ultra micro powder were compared and studied.
方法：对比考察六味地黄细粉及超微细粉中目标成分熊果酸的含量和溶出特性。
Methods: The contents and stripping characteristic of target compositions - Ursolic acid of Liuwei Dihuang powder and ultra micro-powder were compared and studied.
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