黄芪活性成分最佳提取工艺探讨  

Technology Optimization of Extracting Activity Components from Astragalus membranaceus

作　　者：吴永平[1] 曹园[1] 曹正中[1] 

机构地区：[1]江苏省药物研究所,江苏南京210009

出　　处：《时珍国医国药》2001年第10期876-877,共2页Lishizhen Medicine and Materia Medica Research

摘　　要：目的 :探讨黄芪活性成分最佳提取工艺。方法 :用两种方法提取制备黄芪皂苷和黄芪多糖 ,比色法分别测定其含量。结果 :80 %乙醇制备的黄芪提取物 (皂苷 )粉末含皂苷较多 ;采用 90 %乙醇提取后的药材再提多糖 ,含量较 80 %乙醇提取后的高 ;冻干多糖粉末质地、色泽、水溶性较好。结论 :黄芪药材用 90 %提取皂苷后 ,再用冻干法制备多糖可以充分利用药材。Objective: To optimize the technology of extracting activity components from Astragalus membranaceus. Methods: Adopt two methods to extract Saponin and polysaccharides, determine the quantity of them with colorimetry. Results: Those extracted by 80% alcohol had more saponin and less polysaccharide than by 90% alcohol, the frozen-dried polysaccharide has good character, colour, water-solubility. Conclusion: Using 90% alcohol to extract saponin and then using freeze-dry method to produce polysaccharide is optimum for utilization of Astragalus membranaceus.

关 键 词：黄芪 多糖 皂苷 比色法 含量 测定 合理利用 中药 

分 类 号：R282.71[医药卫生—中药学]