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超声波-酶法提取积雪草中积雪草总苷的工艺研究

China Pharmacy(2017)

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Abstract
目的:优化积雪草中积雪草总苷的提取工艺.方法:以积雪草苷和羟基积雪草苷含量之和为考察指标,采用单因素试验和正交试验对酶用量、酶解时间、酶解温度、乙醇体积分数、液料比、超声提取时间进行考察,优化超声波-酶法提取积雪草中积雪草总苷的工艺条件并进行验证试验.结果:最优提取工艺为纤维素酶用量12 mg/g,以10倍液料比加入60%乙醇,60℃酶解60 min,超声提取50 min;验证试验中积雪草总苷平均提取率为1.92%(RSD=1.83%,n=3).结论:超声波-酶法用于积雪草中积雪草总苷的提取,工艺稳定、可行.
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Key words
Centella asiatica,Asiaticoside,Hydroxy asiaticoside,Ultrasonic,Cellulose,Extraction technology,Orthogonal test
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