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《Acta Agriculturae Boreali-Occidentalis Sinica》 2008-04
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The Primary Study of Ethanol Production by Fermenting of Jerusalem Artichoke Instead of Corn

ZHOU Zheng1,2,CAO Hai-long1,2,ZHU Yu1,2,LI Shu-guang1,BAI Xue-fang1,ZHAO Xiao-ming1 and DU Yu-guang1 (1.Dalian Institute of Chemistry and Physics,Chinese Academy of Sciences,Dalian 116023,China;2.Graduate School of Chinese Academy of Sciences,Beijing 100049,China)  
The feasibility of producing ethanol through the fermentation of Jerusalem artichoke(JA) was studied.The results show that Saccharomyces cerevisiae BY4742 can be a good use of the hydrolysis product of JA,the biomass and the yield of ethanol are no significant difference from when glucose or fructose being substrate.When the concentration of substrate higher,The ratio of reducing sugar utilization decreased,but the concentration of ethanol has not declined.JA contains a number of soluble proteins,amino acids and minerals.These might be transformed into ethanol through metabolism of the bacterium.In addition,the paper analyses the advantages and shortcomings of fermentation of JA instead of corn from the economic perspective.
【Fund】: 中国科学院知识创新工程领域前沿项目“菊芋生物炼制关键技术及其产品开发”(编号:K2006A8)
【CateGory Index】: TQ223.122
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