3株酿酒酵母发酵过程中有机酸含量变化分析

3株酿酒酵母发酵过程中有机酸含量变化分析

论文摘要

通过高效液相色谱法对3株酿酒酵母(Saccharomyces cerevisiae)发酵过程中葡萄糖、甘油、乙醇及有机酸含量进行测定分析。结果表明:S.cerevisiae1946发酵体系中甘油和乙醇的含量显著高于S cerevisiae P1和S.cerevisiae 32788发酵体系(P<0.05);3株酿酒酵母发酵液中7种有机酸存在明显的差异性和规律性;S.cerevisiae 1946发酵体系中有机酸的含量低于S.cerevisiae P1和S.cerevisiae 32788发酵体系,S cerevisiae的产酸水平与产乙醇能力呈负相关关系。

论文目录

  • 1 材料与方法
  •   1.1 材料与试剂
  •     1.1.1 菌株
  •     1.1.2 试剂
  •     1.1.3 培养基
  •     1.1.4 仪器与设备
  •   1.2 方法
  •     1.2.1 菌株活化
  •     1.2.2 制备发酵液
  •     1.2.3 高效液相色谱分析
  •   1.3 数据处理
  • 2 结果与分析
  •   2.1 标准溶液的色谱分析及回归方程
  •   2.2 葡萄糖、甘油和乙醇含量变化
  •     2.2.1 葡萄糖
  •     2.2.2 甘油
  •     2.2.3 乙醇
  •   2.3 有机酸含量变化
  •     2.3.1 有机酸总量
  •     2.3.2各有机酸含量
  • 3 结论
  • 文章来源

    类型: 期刊论文

    作者: 裴芳艺,姜明,马岩石,陈雪,刘振艳,刘溪,陈晓婷

    关键词: 酿酒酵母,有机酸,含量分析,高效液相色谱法

    来源: 食品与机械 2019年10期

    年度: 2019

    分类: 工程科技Ⅰ辑

    专业: 轻工业手工业

    单位: 齐齐哈尔医学院科研处卫生检验中心

    基金: 黑龙江省教育厅项目(编号:2017-KYYWF-0699)

    分类号: TS261.11

    DOI: 10.13652/j.issn.1003-5788.2019.10.005

    页码: 24-28

    总页数: 5

    文件大小: 1111K

    下载量: 249

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    3株酿酒酵母发酵过程中有机酸含量变化分析
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