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目的:优化血竭药材的提取方法。方法:以血竭素的含量为指标,采用HPLC比较浸渍法、索氏提取法和超临界CO2萃取(SFE-CO2)法对血竭药材的提取效果。结果:SFE-CO2得到的血竭素含量较高。结论:SFE-CO2适用于血竭的提取。
Objective: To optimize the method of extracting blood herbs. Methods: The content of dracorhodin was used as an index to compare the extraction effect of Sanguisorba officinarum by immersion method, Soxhlet extraction method and supercritical CO2 extraction (SFE-CO2) method. Results: SFE-CO2 obtained higher levels of dracorhodin. Conclusion: SFE-CO2 is suitable for the extraction of blood serum.