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不同c源对丙酮丁醇梭菌产丁醇的影响

DOI: 10.3969/j.issn.1671-7627.2011.02.005, PP. 20-23

Keywords: 丙酮丁醇梭菌,丁醇,c源

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Abstract:

对丙酮丁醇梭菌在以葡萄糖、木糖、蔗糖、混合糖、玉米芯酸解糖液分别作c源的p2培养基中的产丁醇状况进行研究。结果表明:不同c源对丙酮丁醇梭菌发酵产丁醇有显著的影响;葡萄糖为底物时,丁醇产量最高达到13.50g/l,总溶剂为19.66g/l;蔗糖为底物时,丁醇所占比例都在70%以上,丁醇产量可达12g/l;木糖、混合糖为底物时,丁醇产量在10g/l左右;只有丙酮丁醇梭菌i428能利用玉米芯酸解糖液发酵产丁醇,丁醇产量为7g/l。?

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