FOOD SCIENCE ›› 2009, Vol. 30 ›› Issue (7): 186-189.doi: 10.7506/spkx1002-6630-200907042

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Solid Fermentation Production of Cordyceps sinensis Polysaccharide

WU Cai-qin CHEN Ye* HAO Ying   

  1. (College of Food Engineering and Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China)
  • Received:2008-06-13 Revised:2008-10-30 Online:2009-04-01 Published:2010-12-29
  • Contact: CHEN Ye* E-mail:chenye@tust.edu.cn

Abstract:

In this study, Cordyceps sinensis polysaccharide was prepared by solid fermentation with soybean meal and rice bran (1:2, W/W) as raw materials of medium. Through single-factor test, the optimum inoculation amount, fermentation temperature, water content of medium, air relative humidity and fermentation time are confirmed to be 20%, 26℃, 60%, 60% and 7 days, respectively. Fourier transform infrared spectroscopy analysis indicated that the Cordyceps sinensis polysaccharide is β-glucan.

Key words: soybean meal, rice bran, Cordyceps sinensis, glucan, solid fermentation

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