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固体发酵生产冬虫夏草多糖的研究

作  者:
吴彩琴;陈野;郝迎
单  位:
天津科技大学食品工程与生物技术学院
关键词:
豆粕;米糠;冬虫夏草;葡聚糖;固体发酵
摘  要:
本研究以豆粕和米糠为固态培养基,固体发酵生产冬虫夏草多糖。通过对培养基组成配比、接种量、温度、培养基相对湿度、空气相对湿度和培养时间的研究,初步确定了在豆粕:米糠为1:2(W/W)固体培养基发酵生产冬虫夏草多糖的最佳条件为:接种量20%、温度26℃、培养基含水量为60%、空气相对湿度为60%和培养时间7d。经傅立叶红外光谱分析,本研究生产的冬虫夏草多糖为β-葡聚糖。
译  名:
Solid Fermentation Production of Cordyceps sinensis Polysaccharide
作  者:
WU Cai-qin,CHEN Ye,HAO Ying (College of Food Engineering and Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China)
关键词:
soybean meal;rice bran;Cordyceps sinensis;glucan;solid fermentation
摘  要:
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.

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