Method: The emodin and chrysophanol in the releasing mediator were determined by HPLC, and the drug releasing characteristics of Tuizhang gel and Tuizhang oculentum were studied by bag filter method.
2
方法：采用TLC法测定大黄膏中大黄素含量。
METHODS: Adopting a TLC method to detect the quality of emodin in the extraction.
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