【摘要】 目的 从血水草中提取杀螺有效成分-血水草生物碱(ECA)。方法 采用70％乙醇渗漉提取,用减压浓缩、酸解、盐析等方法纯化,提取ECA原粉。结果 ECA原粉的提取率为1.009％.结论 本提取方法可靠,设备及工艺流程简单,提取条件易控制,且成本低,便于开发应用。更多还原

【Abstract】 Objective To extract the molluscicidal active component, Eomecon Chionantha Hance Alkaloids (ECA)from Eomecon Chionantha Hance. Methods The molluscicidal active component from the rootstalk of Eomecon Chionantha Hance was extracted and purified by using the method, 70% alcohol percolation, decompress concentrating, salting-out and so on. Results The final product rate of ECA was 1.009%. Conclusion This method is economic, simple and reliable, and suitable to industrialized production.更多还原