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酶解-超声偶联法提取桔梗茎叶总黄酮的工艺研究

Chemical Enterprise Management(2020)

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Abstract
研究纤维素酶联合超声提取桔梗茎叶总黄酮的最佳工艺条件.以总黄酮得率作为评价指标,分别考察酶解温度、酶用量、酶解时间、料液比、乙醇体积分数、超声提取时间及超声提取温度对提取效果的影响.在单因素考察的基础上,采用正交试验设计优化提取工艺条件.在超声温度50℃、超声时间40min、乙醇体积分数为60%的条件下,最佳提取工艺条件为酶用量0.6%,酶解温度55℃,料液比l:20,酶解时间1.5h.该优化提取工艺合理,可用于桔梗茎叶中总黄酮的提取.
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