| 响应面法优化微波提取阳荷水溶性膳食纤维工艺 |
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| 引用本文： | 陈仕学,郁建平,杨俊,代鸣.响应面法优化微波提取阳荷水溶性膳食纤维工艺[J].食品科学,2014,35(18):57-62. |
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| 作者姓名： | 陈仕学 郁建平 杨俊 代鸣 |
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| 作者单位： | 1.铜仁学院材料与化学工程学院，梵净山特色动植物资源重点实验室，贵州 铜仁 554300；
2.贵州大学生命科学学院，贵州 贵阳 550025； 3.印江刀坝初级中学，贵州 印江 555200 |
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| 基金项目： | 贵州省教育厅特色实验室建设项目(黔教合KY(2011)232);贵州省高等学校重点支持学科项目(黔教合重点支持学科字(2011)232);铜仁学院院级科研启动项目(2011(TS1121)) |
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| 摘 要： | 研究野生阳荷水溶性膳食纤维的最佳提取工艺，以提取时间、料液比、微波功率和浸提液pH值为影响因素，进行四因素三水平的响应面试验设计，对其提取工艺条件进行优化，结果表明：最佳提取工艺条件为提取时间151.4 s、料液比1∶33（g/mL）、微波功率264 W、浸提液pH 3.65，此条件下水溶性膳食纤维的提取率为5.52%，与理论值5.75%相差较小。由此可知，响应面法优化微波辅助提取阳荷水溶性膳食纤维具有时间短、能耗低、提取率高等特点。
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| 关 键 词： | 野生阳荷 水溶性膳食纤维 微波辅助提取 响应面分析法 |
Optimization of Microwave-Assisted Extraction of Water-Soluble Dietary Fiber from Zingiber striolatum Diels Fruits by Response Surface Methodology |
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| CHEN Shi-xue,YU Jian-ping,YANG Jun,DAI Ming.Optimization of Microwave-Assisted Extraction of Water-Soluble Dietary Fiber from Zingiber striolatum Diels Fruits by Response Surface Methodology[J].Food Science,2014,35(18):57-62. |
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| Authors: | CHEN Shi-xue YU Jian-ping YANG Jun DAI Ming |
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| Affiliation: | 1. Key Laboratory of Special Animal and Plant Resource in Fanjing Mountain, College of Material and Chemical Engineering,
Tongren University, Tongren 554300, China; 2. College of Life Science, Guizhou University, Guiyang 550025, China;
3. Yinjiang Knife Dam Junior High School, Yinjiang 555200, China |
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| Abstract: | The microwave-assisted extraction of water-soluble dietary fiber (SDF) from Zingiber striolatum Diels fruits
was optimized by response surface methodology. An experimental design was carried out involving four variables at three
levels each. An extraction time of 151.4 s with a microwave power of 264 W using sulphuric acid solution at pH 3.65 as
the extraction solvent with a solid-to-solvent ratio of 1:33 (g/mL) was found to be optimal. Experiments carried out under
the optimized conditions resulted in an extraction yield of 5.52%, agreeing with the predicted value (5.75%). The extraction
procedure presented in this study is characterized by time saving, low energy consumption and high extraction efficiency. |
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| Keywords: | wild Zingiber striolatum Diels water-soluble dietary fiber microwave-assisted extraction response surface methodology |
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