FOOD SCIENCE ›› 2012, Vol. 33 ›› Issue (24): 156-159.doi: 10.7506/spkx1002-6630-201224032

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Orthogonal Array Design for the Optimization of Microwave-assisted Extraction of Polysaccharides from Ginseng Roots and Fibers

WU Qiong1,DAI Yong-gang2,ZOU Xian-feng1,TAN Ke1,*   

  1. 1. Key Laboratory of Agricultural Products Processing of Jilin Province Ordinary University, Changchun University,Changchun 130022, China;2. Jilin Academy of Agricultural Sciences, Changchun 130033, China
  • Received:2011-11-14 Revised:2012-12-03 Online:2012-12-25 Published:2012-12-12

Abstract:

In this study, microwave-assisted hot water extraction was used to extract polysaccharides from ginseng roots and ginseng fibers. Using an orthogonal array design, the optimum microwave power, solid-to-liquid ratio, microwave time and extraction time were 400 W, 1:40 (g/mL), 2 min, 90 ℃ and 2 h for ginseng roots and 400 W, 1:30 (g/mL), 4 min, 70 ℃ and 2 h for ginseng fibers, respectively. Under the optimized conditions, the maximum yields of crude polysaccharide from ginseng roots and ginseng fibers were 19.86% and 17.58%, respectively, which were higher than those obtained by traditional hot water extraction.

Key words: ginseng root, ginseng fiber, polysaccharide, microwave

CLC Number: