【摘要】 目的优选桔梗边角料中桔梗总皂苷的提取工艺。方法采用正交试验法,以桔梗皂苷D含量及浸膏得率为评价指标。结果优选的最佳提取工艺是:70%乙醇,8倍量乙醇,提取3次,每次1.5 h。结论通过正交试验法优选桔梗边角料中桔梗总皂苷提取工艺,简便、稳定、可行。更多还原

【Abstract】 Objective To optimize the extraction technology of total saponins in radix platycodonis scrap.Methods The extraction technology was optimized by orthogonal experiment with the yield of dry extractum and the content of Platycodin-D as evaluation index.Results The optimum extraction technology was determined as follows:8 times amount of 70% ethanol was used as solvent,the extraction time was 1.5 hours and the extraction was conducted for 3 times.Conclusion The extraction technology of total saponins in radix platycodonis scrap optimized by orthogonal experiment is stable,rational and feasible.更多还原