| 微波辅助混合溶剂提取甘草渣中总黄酮的工艺 |
| |
| 引用本文： | 史高峰,邓丽,李永红,吴海燕,陈学福.微波辅助混合溶剂提取甘草渣中总黄酮的工艺[J].食品研究与开发,2011,32(10):42-45. |
| |
| 作者姓名： | 史高峰 邓丽 李永红 吴海燕 陈学福 |
| |
| 作者单位： | 兰州理工大学石油化工学院,甘肃兰州,730050 |
| |
| 摘 要： | 对比热回流法、超声辅助提取法和微波辅助提取法提取甘草渣中总黄酮,考察影响微波辅助提取法提取率的因素,包括混合溶剂配比、液固比、时间、功率和温度,并采用L(934)正交设计试验优化微波提取条件,继以紫外分光光度法测定总黄酮含量。结果表明,微波辅助提取较热回流法、超声辅助提取的总黄酮提取率高;微波辅助提取的最佳工艺条件为:乙醇和乙酸乙酯混合溶液体积比为4∶1,微波功率500 W,温度为70℃,时间90 min,从而合理利用了甘草资源,为甘草的进一步的开发奠定了基础。
|
| 关 键 词： | 甘草渣 总黄酮 微波提取 乙醇-乙酸乙酯混合溶剂 |
Study on Microwave-assisted Extraction on Flavonoids from Residues of Glycyrrhiza by Mixed Solvents |
| |
| SHI Gao-feng,DENG Li,LIYong-hong,WU Hai-yan,CHEN Xue-fu.Study on Microwave-assisted Extraction on Flavonoids from Residues of Glycyrrhiza by Mixed Solvents[J].Food Research and Developent,2011,32(10):42-45. |
| |
| Authors: | SHI Gao-feng DENG Li LIYong-hong WU Hai-yan CHEN Xue-fu |
| |
| Affiliation: | SHI Gao-feng,DENG Li,LI Yong-hong,WU Hai-yan,CHEN Xue-fu (Institute of Petro-Chemical Technology,Lanzhou University of Technology,Lanzhou 730050,Gansu,China) |
| |
| Abstract: | To compare with hot reflux extraction and ultrasonicly extraction and to investigate the conditions of microwave-assisted extraction which included the ratios of mixed solvents,liquid/solid ratios,time,the power of microwave oven and temptrature for the flavonoids from residues of glycyrrhiza.The experimental conditions of microw ave-assisted extraction were examined and optimized by the L 9(3 4) orthogonal experimental design.The total flavonoids from residues of glucyrrliza were determined by spectrophoto... |
| |
| Keywords: | residues of glycyrrhiza total flavonoids microwave extraction the mixed solvents of ethanol and ethylacetate |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
|
