研究报告

中高温大曲发酵过程理化指标与功能菌属动态分析

  • 王琳 ,
  • 彭粲 ,
  • 吴华星 ,
  • 林东 ,
  • 帖余 ,
  • 张文学
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  • 1(四川大学 轻工科学与工程学院,四川 成都,610065)
    2(四川水井坊股份有限公司,四川 成都,610037)
    3(国家市场监管重点实验室(白酒监管技术),四川 成都,610037)
    4(四川大学 锦江学院白酒学院,四川 眉山,620860)
第一作者:硕士研究生(张文学教授为通信作者,E-mail:foodecoengineering@163.com)

收稿日期: 2025-06-09

  修回日期: 2025-07-24

  网络出版日期: 2026-04-10

基金资助

国家自然科学基金面上项目(32472310)

Dynamic analysis of physicochemical indexes and functional microorganisms in medium-high temperature Daqu during fermentation

  • WANG Lin ,
  • PENG Can ,
  • WU Huaxing ,
  • LIN Dong ,
  • TIE Yu ,
  • ZHANG Wenxue
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  • 1(College of Light Industry Science and Engineering, Sichuan University, Chengdu 610065, China)
    2(Sichuan Swellfun Co. Ltd., Chengdu 610037, China)
    3(Key Laboratory of Baijiu Supervision Technology, State Administration for Market Regulation, Chengdu 610037, China)
    4(College of Baijiu, Sichuan University Jinjiang College, Meishan 620860, China)

Received date: 2025-06-09

  Revised date: 2025-07-24

  Online published: 2026-04-10

摘要

为深入解析中高温大曲发酵过程中理化指标与功能菌属之间的变化规律,采用国标理化测定和高通量测序技术对发酵过程中采集的6个样品进行了研究。结果表明,芽孢杆菌属Bacillus和热子囊菌属Thermoascus是影响大曲功能的主要微生物,体现在酯化力上。通过传统分离筛选方法,得到了6株功能菌种,验证了其酯化能力。通过相关性分析发现水分是影响大曲微生物结构的主要环境因子,Bacillus和Thermoascus由于受水分的影响主要在发酵中后期起作用。该研究揭示了中高温大曲发酵过程中起主要作用的功能菌属,探究了理化指标与功能微生物之间的影响规律,有助于进一步剖析发酵过程中的中高温大曲,对生产质量较好、风味浓郁的大曲具有重要的参考意义。

本文引用格式

王琳 , 彭粲 , 吴华星 , 林东 , 帖余 , 张文学 . 中高温大曲发酵过程理化指标与功能菌属动态分析[J]. 食品与发酵工业, 2026 , 52(6) : 17 -23 . DOI: 10.13995/j.cnki.11-1802/ts.043516

Abstract

To deeply analyze the dynamics of physicochemical indexes and functional microorganisms of medium-high temperature Daqu, six samples collected during fermentation were studied by using national standard physicochemical determination and high-throughput sequencing technology.The results showed that Bacillus and Thermoascus are the main microorganisms affecting the function of Daqu, which was reflected in the esterification ability.Through the traditional separation and screening method, six functional strains were obtained, and their esterification ability was verified.Through correlation analysis, it was found that water is the main environmental factor affecting the microbial structure of Daqu, Bacillus and Thermoascus mainly played a role in the middle and late stages of fermentation due to the influence of water.This study revealed the functional microorganisms in medium-high temperature Daqu during fermentation, and explored the influence between physicochemical indexes and functional microorganisms.This study was helpful to further analyze the medium-high temperature Daqu during fermentation, and had important significance for the production of Daqu with good quality and rich flavor.

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