| 代谢木糖产乙醇酵母菌株的筛选研究 |
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| 引用本文： | 张应龙,季祥,蔡禄.代谢木糖产乙醇酵母菌株的筛选研究[J].安徽农业科学,2011,39(18):10733-10734. |
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| 作者姓名： | 张应龙 季祥 蔡禄 |
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| 作者单位： | 内蒙古科技大学生物工程与技术研究所,内蒙古,包头,014010 |
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| 基金项目： | 教育部春晖计划项目(Z2009-1-01057); 内蒙古自治区高等学校科学研究项目(NJzy08233); 包头市科技攻关项目(2008y1002-2); 内蒙古自然科学基金项目(2010MS0521) |
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| 摘 要： | 目的]筛选代谢木糖产乙醇的酵母菌株。方法]以木糖为唯一碳源，从自然环境中筛选了木糖利用酵母菌，并对筛得菌株进行了发酵性能的测试。结果]共筛得4株菌株C4、C5、H5和M2，其中C4菌株24h发酵木糖为乙醇的效率最高（38％），但M2茵株乙醇产量最高（0．438g／L）。由于酵母菌发酵木糖产乙醇随着发酵时间延长会消耗产物，导致原料转化率下降，因而发酵时间不宜过长。结论]结合木糖转化率随发酵时间的变化趋势，以M2菌株的发酵性能最为优良。
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| 关 键 词： | 木糖 酵母 乙醇 |
Screening of Ethanol-producing Yeasts by Xylose Fermentation |
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| ZHANG Ying-long et al.Screening of Ethanol-producing Yeasts by Xylose Fermentation[J].Journal of Anhui Agricultural Sciences,2011,39(18):10733-10734. |
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| Authors: | ZHANG Ying-long |
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| Institution: | ZHANG Ying-long et al(Institute of Bioengineering and Technology,Inner Mongolia University of Science and Technology,Baotou,Inner Mongolia 014010) |
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| Abstract: | Objective] The aim was to screen yeasts which could produce ethanol by xylose fermentation.Method]Yeasts which could produce ethanol by xylose fermentation were screened from natural environment by taking xylose as sole carbon source,furthermore fermentation performances of obtained strains were determined.Result] Four strains like C4,C5,H5 and M2 were obtained,among them C4 had the highest fermentation efficiency of xylose(38%) within 24 h,while M2 had the highest yield of ethanol(0.438 g/L).Because pro... |
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| Keywords: | Xylose Yeast Ethanol |
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