食品科学 ›› 2012, Vol. 33 ›› Issue (20): 46-50.

• 工艺技术 • 上一篇    下一篇

响应面优化微波辅助提取糜米多糖工艺

李芳亮1,高 杨2,王 锐1,孙延芳1,杨腾飞1   

  1. 1.辽宁工程技术大学理学院 2.辽宁省阜新市科学技术局
  • 收稿日期:2011-06-24 修回日期:2012-09-06 出版日期:2012-10-25 发布日期:2012-11-09
  • 通讯作者: 李芳亮 E-mail:asdzzzzz@126.com
  • 基金资助:

    校优秀青年科学研究基金

Optimization of Microwave-Assisted Extraction of Polysaccharides from Panincum miliaceum L. by Response Surface Analysis

  • Received:2011-06-24 Revised:2012-09-06 Online:2012-10-25 Published:2012-11-09
  • Contact: LI Fang-Liang E-mail:asdzzzzz@126.com

摘要: 优化糜米多糖的微波辅助提取工艺。在单因素试验基础上,选取微波时间、微波功率和液料比为自变量,多糖得率为响应值,利用Design Expert 8.0.3.2软件,采用Box-Behnken设计试验和响应面分析方法研究各自变量及其交互作用对多糖得率的影响。结果表明:糜米多糖微波辅助提取的最佳工艺条件为微波辅助处理时间2.7min、微波功率640W、液料比35:1(mL/g)。在此工艺条件下多糖得率9.04%,与理论预测多糖得率9.17%的相对误差为1.42%。

关键词: 糜米, 多糖, 响应面, 微波辅助提取

Abstract: The microwave-assisted extraction of polysaccharides from Panincum miliaceum L. (PPM) was optimized by response surface methodology. One-factor-at-a-time method was used to preliminarily evaluate the effects of microwave treatment time, microwave power and solid/solvent ratio on polysaccharide yield. To investigate their combined effects on the response function, the parameters were used as response variables in a Box-Behnken experimental design and for response surface analysis. The optimal conditions for the extraction of PPM were determined as microwave treatment for 2.7 min at 640 W and 35:1 (mL/g) of solvent/solid ratio. Under these conditions, the actual polysaccharide yield was 9.04%, which showed a relative error of 1.42% compared with the predicted value (9.17%).

Key words: Panincum miliaceum L., polysaccharides, response surface analysis, microwave-assisted extraction

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