Optimization of Microwave-Assisted Extraction of Flavonoid from Radix Astragali using Response Surface Methodology
文献类型: 外文期刊
第一作者: Mao, Weihua
作者: Mao, Weihua;Han, Lujia;Shi, Bo
作者机构:
关键词: Microwave assisted extraction;response surface methodology;optimization;flavonoid;Radix Astragali
期刊名称:SEPARATION SCIENCE AND TECHNOLOGY ( 影响因子:2.475; 五年影响因子:2.077 )
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年卷期:
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收录情况: SCI
摘要: Response surface methodology (RSM) was applied to predict optimum conditions for microwave-assisted extraction (MAE) of flavonoid from Radix Astragali. A central composite design was used to monitor the effect of temperature, extraction time, solvent-to-material ratio, and the ethanol concentration on yield of total flavanoid (TFA). Optimum extraction conditions were predicted as 108.2 deg C, 26.7 min, 23.1 ml/g solvent-to-material ratio and 86.2 percent ethanol. The maximum yield 1.234 +- 0.031 mg/g was close to the yield of Soxhlet and higher than that of ultrasound assisted extraction and heat reflux extraction. MAE was an effective alternative to conventional extraction methods.
分类号: TQ028
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