乳酸细菌菌株的发酵性能评价,用于四川卜帕奥生产
Yiwen Fan1,2, Xu Yang2, Cihai Hu1,2
1School of Healthy Science and Engineering, University of Shanghai for Science and Technology, 516 Jungong Road, Shanghai 200093, China.
Foods (Basel, Switzerland)
|June 27, 2024
概括
乳酸细菌 (LAB) 启动剂显著增强了四川paocai发酵,改善了感官质量和安全性. 像Lactiplantibacillus plantarum和Lacticaseibacillus rhamnosus这样的特定菌株表现出优越的盐耐受性和发酵效率.
科学领域:
- 食品微生物学 食品微生物学
- 发酵科学 发酵科学
- 应用微生物学应用微生物学
背景情况:
- 发酵的蔬菜,如四川的paocai,在全球美食中至关重要.
- 乳酸细菌 (LAB) 是发酵动态的关键,影响产品质量和安全.
- 优化LAB初始培养对于稳定和高质量的发酵蔬菜生产至关重要.
研究的目的:
- 为了评估五个LAB菌株的发酵性能从四川paocai作为开端.
- 评估LAB接种对paocai感官属性,发酵动力学和化学成分的影响.
- 为了确定优质的LAB菌株,以提高帕奥凯的生产和安全性.
主要方法:
- 来自四川鱼的LAB菌株的隔离和表征.
- 用不同的LAB菌株接种的paocai的感官评估.
- 盐耐受性测定和对污染微生物的抑制研究.
- 对酸生产,有机酸概况,自由氨基酸和挥发性有机化合物的分析.
- 包括OPLS-DA和TOPSIS在内的统计分析,用于排列应变性能.
主要成果:
- 实验室注射显著改善了paocai的味道,风味,质地和色彩.
- 乳植物菌 (Lactiplantibacillus plantarum) 和乳植物菌 (Lacticaseibacillus rhamnosus) 显示出极好的盐耐受性 (10% NaCl) 并抑制了腐烂生物.
- 接种后的paocai表现出更快的酸性生产,发酵时间减少了约2天,以及更高的关键酸和氨基酸水平.
- 在LAB注射样本中,挥发性有机化合物概况得到了增强.
- 在整体发酵性能方面,Lactiplantibacillus plantarum和Lacticaseibacillus rhamnosus的排名最高.
结论:
- 精选的LAB菌株,特别是Lactiplantibacillus plantarum和Lacticaseibacillus rhamnosus,是paocai发酵的有效起始剂.
- 这些初始剂增强感官吸引力,加速发酵,提高营养价值,并确保产品的安全.
- 这项研究为选择坚固的LAB菌株提供了科学基础,以优化发酵蔬菜的生产.
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