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连翘叶中连翘苷元制备工艺的研究

Acta Chinese Medicine and Pharmacology(2019)

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Abstract
目的:研究从连翘叶中分离纯化高纯度连翘苷元的制备方法,为连翘苷元的规模化制备提供实验依据.方法:以浸膏中连翘苷元含量为考察指标,采用正交试验,确定水提最优工艺,提取液乙醇沉淀后,乙酸乙酯搅拌萃取、水反洗得到粗品.对粗品进行甲醇结晶,得高纯度的连翘苷元.结果:经水提醇沉萃取可得到纯度>75.0%的连翘苷元粗品,再经甲醇结晶,即可得纯度>99.0%的连翘苷元单体.结论:该工艺操作简单、成本低、效率高,可用于规模化制备连翘苷元.
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