酒花内生菌Pseudomonas oryzihabitans F0-1转化柠檬烯生成α-萜品醇的研究

LIAN Chang-sheng,FU Dong-mei,ZHANG Jun-peng, ZHANG Yi-fan, XUE Zhao-ru,WANG Yue

Storage and Process(2021)

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Abstract
从啤酒花内生菌入手,筛选出可以生物转化柠檬烯生成α-萜品醇的菌种,对内生菌进行生理生化和分子生物学鉴定,并优化了内生菌生物转化柠檬烯的条件.结果表明,对筛选的菌株进行生理生化和分子生物学鉴定,F0-1菌为栖稻假单胞菌Pseudomonas oryzihabitans;F0-1菌在30℃,体系pH为6.0,转速200 r/min的NA培养基中预培养38 h,添加20%的柠檬烯/乙醇溶液,柠檬烯浓度为880 mg/L,转化12 h,得到的α-萜品醇浓度为(97.54±3.34)mg/L,是最初转化结果(9.24±1.67)mg/L的10.6倍.
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