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Optimization of Extraction Technology of Forsythiaside and Phillyrin in Forsythia suspense Leaves Based on Response Surface Methodology

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Author:
No author available
Journal Title:
Natural Product Research and Development
Issue:
8
DOI:
10.3969/j.issn.1001-6880.2012.08.020
Key Word:
连翘叶;连翘酯苷A;连翘苷;响应面法;HPLC

Abstract: 采用响应面分析法优化连翘叶中连翘酯苷A和连翘苷的最佳提取工艺条件,在单因素实验基础上,采用Box-Behnken中心组合设计原理研究液料比、乙醇浓度、浸提时间、浸提温度4个因素对连翘酯苷A得率和连翘苷得率的影响.利用Design Expert 8.0.5 b分析确定最佳提取工艺,根据实际条件,得到连翘酯苷A和连翘苷的最佳提取工艺为:乙醇浓度53%、提取温度74℃、浸提时间为53 min、液料比30 mL/g.回归模型预测最优条件下连翘酯苷A得率为7.53%,连翘苷得率为3.03%,验证值分别为7.56%,3.09%,与预测值的相对误差分别为0.4%,2.0%.

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