菌种类的选择. 作为发酵培养物,用于生产植物性奶酪类似物
Jin Xie1, Mike Veigel2, Herbert Schmidt3
1University of Alberta, Dept. of Agricultural, Food and Nutritional Science, Edmonton, AB, Canada; Aarhus University, Dept. of Biological and Chemical Engineering, Aarhus, Denmark.
International journal of food microbiology
|March 29, 2025
概括
细菌物种通过改善质地和延长保质期来提高植物性奶酪的质量. 像Bacillus velezensis这样的特定菌株在发酵过程中增强了风味化合物和真菌耐药性.
科学领域:
- 食品微生物学 食品微生物学
- 发酵科学 发酵科学
- 乳制品替代技术 乳制品替代技术
背景情况:
- 细菌物种以有益的发酵特性而闻名,产生酶和抗菌化合物.
- 植物性奶酪类型需要强大的发酵培养物来保证质量和保存.
研究的目的:
- 选Bacillus菌株的理想特征,并评估它们在发酵植物性奶酪类似物中的有效性.
- 研究菌种与传统酸化和辅助培养的协同效应.
主要方法:
- 细菌菌株的基因组分析,以识别粉酶,蛋白酶和脂合成酶的基因.
- 使用选定的细菌菌株 (B. velezensis,B. amyloliquefaciens,B. subtilis) 与乳球菌,乳球菌,Leuconostoc mesenteroides和Lenti.一起进行植物性奶酪类型的发酵试验. 布切内里. 布切内里.
- 评估代谢活性,蛋白质分解,无菌储存时间,防止真菌污染.
主要成果:
- 精选的细菌菌株 (B. velezensis FUA2155,B. amyloliquefaciens FUA2153,B. subtilis FUA2114) 具有关键酶和脂的基因.
- 细菌菌株延长了无菌的储存时间,并增强了植物性奶酪类似物中的蛋白质分解.
- 细菌 velezensis FUA2155 特别增加的味道活性谷氨酸; 兰地. 布克内里改善了真菌耐药性.
结论:
- 蛋白溶性细菌菌株,结合特定的酸化和辅助培养,显著提高了发酵植物性奶酪类型的质量.
- 使用Bacillus spp. 的方法 提供了一个有前途的策略,以提高乳制品替代品的保质期和感官属性.
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