FOOD SCIENCE ›› 2008, Vol. 29 ›› Issue (10): 191-194.

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Optimization of Inulin Extraction Process from Jerusalem artichoke Tubers by Response Surface Methodology

 WEI  Ling-Yun, WANG  Jian-Hua, ZHENG  Xiao-Dong   

  1. 1.School of Chemical Engineering and Pharmacy,Wuhan Institute of Technology,Wuhan 430073,China; 2.Institute of Feed Research,Chinese Academy of Agricultural Sciences,Beijing 100081,China; 3.Department of Food Science and Nutrition,Zhejiang University,Hangzhou 310029,China
  • Online:2008-10-15 Published:2011-12-08

Abstract: The effects of temperature,time,solvent-solid ratio and pH on extraction rate of inulin from Jerusalem artichoke Tubers were discussed. By response surface methodology (RSM) the optimal extraction conditions of inulin are as follows: natural pH,time 20 min temperature 76.7℃ and solvent-solid ratios of 10.56:1 (V/W). Under these conditions,the extraction rate of the inulin reaches the maximum,83.6%.

Key words: inulin, extraction, Jerusalem artichoke Tubers, response surface methodology