多指标综合评分正交试验法优化熟地黄的炮制工艺

摘要

目的:优化熟地黄的炮制工艺.方法:以梓醇、地黄苷D、毛蕊花糖苷、异毛蕊花糖苷和多糖的转移率为指标进行综合评分,以蒸制温度(压力)、蒸制时间和蒸制次数为考察因素,采用L9(34)正交试验优化熟地黄的炮制工艺并进行验证试验.结果:熟地黄的最优炮制工艺为在蒸制温度125℃、蒸制压力150 kPa下蒸制2次,每次2 h;验证试验中3批样品的综合评分分别为0.6985、0.6755、0.7016,各指标的RSD均小于5%(n=3).结论:优化的炮制工艺简单、稳定、可行,可为熟地黄的工业化炮制生产提供参考.%OBJECTIVE:To optimize the processing technology of rehmanniae radix praeparata. METHODS:Using transfer rates of catalpol,rehmaionoside D,acteoside,isoacteoside,polysaccharide as indexes for comprehensive score,heating tempera-ture(pressure),heating time and heating times as investigating factors,L9(34)orthogonal test was used to optimize the processing technology of rehmanniae radix praeparata,and verification test was conducted. RESULTS:The optimal processing technology of rehmanniae radix praeparata was as follow as heating temperature of 125 ℃,pressure of 150 kPa for twice,2 h every time. The comprehensive scores of 3 batches of samples were 0.6985,0.6755,0.7016 in the verification test,respectively,RSDs were less than 5%(n=3). CONCLUSIONS:Optimized processing technology is simple,stable,feasible,and can provide reference for in-dustrial production of rehmanniae radix praeparata.