机械化学法辅助提取刺五加总黄酮的工艺研究
Lishizhen Medicine and Materia Medica Research(2007)
Abstract
目的研究机械化学法辅助提取刺五加总黄酮的最佳工艺。方法以总黄酮提取率为考察指标,通过单因素及正交实验考察机械化学法辅助提取刺五加总黄酮的主要影响因素,确定最佳工艺条件;采用分光光度法测定总黄酮含量。结果最佳工艺条件为:Na2CO3/Na2B4O7助剂用量4%(W/W),物料粒度D95≤37μm,乙醇浓度为20%(V/V),料液比为1∶60(g∶ml)。该工艺条件下,总黄酮提取率比热回流法提高13.2%。结论机械化学法辅助提取具有提取率高,时间短,无需加热,乙醇用量少等特点,是提取刺五加总黄酮的一种有效方法。
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Key words
Mechanochemical assisted extraction,Eleutherococcus senticosus,Orthogonal design,Total flavonoids
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