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刊物期号: 201604

一株米根霉固态发酵代谢产物的分析(122)

作者: 杨雨琨1,唐 洁2

地址:1.湖北省大冶市第一中学,湖北 大冶 435100; 2.劲牌有限公司,湖北 大冶 435100
摘要 分析1株来源于小曲白酒中米根霉G12固态发酵的代谢产物。通过在实验室模拟小曲白酒固态发酵工艺建立小试发酵平台,添加纯种米根霉作为酒曲,经糖化、发酵、蒸馏,测定馏液中主要挥发性成分,对照组为不添加任何酒曲。结果表明,米根霉G12具有较强的产酒能力,产酒平均出酒率为12.10 %。同时该株菌在固态发酵中也能产生大量正丙醇与杂醇油,因而对杂醇油的生成有一定的贡献。研究可为降低小曲白酒杂醇油途径提供不同的思路。
关键词 米根霉; 固态发酵; 产物分析; 白酒
中图分类号: TS261.1;TS262.3;TS261.4 文献标识码: A 文章编号: 1001-9286(2016)04-0122-03

英文标题: Analysis of the Metabolites of a Rhizopus oryzae Strain in Solid-State Fermentation

英文作者: YANG Yukun1 and TANG Jie2

英文地址: 1.No.1 Middle School of Daye, Daye, Hubei, 435100; 2.Jingpai Co. Ltd., Daye, Hubei 435100, China

英文摘要 To analyze the metabolites of the Rhizopus oryzae strain G12(isolated from Xiaoqu Baijiu) in solid-state fermentation, we simulated the solid-state fermentation techniques of Xiaoqu Baijiu and built a small-scale testing platform in the laboratory. With purebred Rhizopus oryzae as starter, we measured the main volatile components of the distillate after saccharification, fermentation and distillation, while the control group was without starter. The results showed that, Rhizopus oryzae G12 had strong alcohol-producing ability, with the average liquor yield of 12.10 %. Meanwhile, the strain produced a large amount of n-propanol and fusel oils in solid-state fermentation, which contributed to the generation of fusel oils. The study provided a different idea for the reducing of the content of fusel oils in Xiaoqu Baijiu. (Trans. by HUANG Xiaoli)
英文关键词 Rhizopus oryzae; solid-state fermentation; metabolites analysis; Baijiu
      

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