| 响应面法优化微波辅助萃取柠檬皮中果胶的研究 |
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| 引用本文： | 章凯,黄国林,黄小兰,张高飞.响应面法优化微波辅助萃取柠檬皮中果胶的研究[J].精细化工,2010,27(1). |
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| 作者姓名： | 章凯 黄国林 黄小兰 张高飞 |
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| 作者单位： | 东华理工大学,化学生物与材料科学学院,江西,抚州,344000 |
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| 基金项目： | 江西省教育厅科技项目(赣教科技函[2007]32号)~~ |
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| 摘 要： | 该文以离子液体BMIM]Cl(氯化1-丁基-3-甲基咪唑)水溶液为萃取剂,采用微波辅助萃取技术提取柠檬皮中的果胶,系统考察了BMIM]Cl浓度、萃取温度、萃取时间和萃取溶剂体积等因素的影响,并通过响应面法对提取工艺进行了优化,得出最佳工艺条件为BMIM]Cl浓度1.0 mol/L,萃取温度88℃,萃取时间9.6 min,每克干柠檬皮用萃取溶剂22.7 mL,在该条件下,果胶的提取率为24.68%,与拟合的二次回归模型预测值基本相符。
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| 关 键 词： | 离子液体 响应面法 微波辅助萃取 果胶提取 柠檬皮 中药现代化技术 |
Optimization of Microwave-assisted Extraction Technology of Pectin from Lemon Peel Using Response Surface Methodology |
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| ZHANG Kai,HUANG Guo-lin,HUANG Xiao-lan,ZHANG Gao-fei.Optimization of Microwave-assisted Extraction Technology of Pectin from Lemon Peel Using Response Surface Methodology[J].Fine Chemicals,2010,27(1). |
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| Authors: | ZHANG Kai HUANG Guo-lin HUANG Xiao-lan ZHANG Gao-fei |
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| Affiliation: | School of Chemistry/a>;Biology and Material Science/a>;East China Institute of Technology/a>;Fuzhou 344000/a>;Jiangxi/a>;China |
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| Abstract: | The effects of BMIM]Cl concentration,extraction temperature,extraction time and extraction solvent volume on the extraction process of pectin using ionic liquids BMIM]Cl as the extractant from lemon peel with the microwave-assisted extraction technology were investigated systematically in this paper.The extraction parameters were optimized by the response surface methodology.The optimum conditions are shown as follows: BMIM]Cl concentration is 1.0 mol/L,extraction temperature is 88 ℃,the volume of extraction solvent used per gram dried lemon peel is 22.7 mL,extraction time is 9.6 min,and the extraction rate can be up to 24.68%.The prediction values of the fitted quadratic regression model well agreed with the experimental values. |
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| Keywords: | ionic liquids response surface methodology microwave-assisted extraction pectin extraction lemon peel modernization technology of traditional Chinese medicines |
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