响应面法优化黄檗中主要活性成分的超临界CO2萃取工艺研究
Optimization of Supercritical CO2 Extraction Technology for Main Active Components in Phellodendrom amurense by Response Surface Methodology
摘要:
为研究黄檗中小檗碱的超临界CO2流体萃取工艺条件,以小檗碱提取量为指标,通过单因素及响应面实验设计分析,探讨萃取压力、萃取温度、萃取时间和夹带剂乙醇体积分数对小檗碱提取量的影响。同时应用响应面交互作用和建立回归方程,分析优化得出该方法的最佳提取条件是:提取压力为31.00 Mpa,提取温度为52.00℃,提取时间为90.00 min,乙醇体积分数为94.00%。在此条件下黄檗中小檗碱提取量为0.987 mg/g。
Abstract:
In order to study the technological conditions of extracting berberine from Phellodendron amurense by Supercritical CO2 Fluid Extraction (SFE), the berberine extraction amount was used as the indicators, and the single factor and response surface methodology experimental design were used in SFE-CO2, to analyze the effect of extraction pressure, extraction temperature, extraction time and entrainer ethanol concentration on extraction amount of berberine. At the same time, using response surface interaction and establishment of regression equation, analyzing by Response Surface Methodology, the optimum technological condition for extraction of berberine from P. amurense is obtained: extraction pressure is 31.00 Mpa; extraction temperature is 52.00˚C; extraction time is 90.00 min; ethanol concentration is 94.00%. Under this condition, the extraction amount of berberine from P. amurense was 0.987 mg/g.
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