用Lacticaseibacillus paracaseiGV17进行益生菌无乳糖发酵牛奶的技术评估和预测建模
Taynan Jonatha Neves Costa1, Isabella Maciel Costa2, Larissa Mirelle Mendes Magalhães1
1Department of Food, Faculty of Pharmacy, Federal University of Minas Gerais, Belo Horizonte 31270-901, Brazil.
Foods (Basel, Switzerland)
|April 16, 2025
概括
乳糖菌cillus paracasei GV17和Streptococcus thermophilus STI-12在无乳糖发酵牛奶中显示出作为益生菌培养的潜力. 这两种菌株都保持了高生存率,并在储存期间改善了产品的稳定性.
科学领域:
- 食品微生物学 食品微生物学
- 发酵技术的发酵技术
- 益生菌 益生菌 益生菌
背景情况:
- 无乳糖发酵牛奶为乳糖不耐受的人提供了替代品.
- 益生菌细菌,如Lacticaseibacillus paracasei,可以为健康带来好处.
- 了解益生菌菌株和初始培养之间的相互作用对于产品开发至关重要.
研究的目的:
- 为了评估 Lacticaseibacillus paracasei GV17 和 Streptococcus thermophilus STI-12 在无乳糖发酵牛奶中的共同培养.
- 在发酵和储存过程中模拟这些菌株的生长动力学和生存能力.
- 评估这些培养对发酵牛奶技术性质的影响.
主要方法:
- 无乳糖发酵牛奶是使用Lc. 帕拉凯西GV17和圣热菲勒斯STI-12.
- 预测建模 (Baranyi模型) 用于分析微生物生长参数.
- 在储存28天期间,测量了技术特征,包括协同作用和保持水分的能力.
主要成果:
- 这两个Lc. 帕拉凯西GV17和圣热STI-12表现出强的增长,达到超过10.90日志CFU/mL的度.
- 巴兰尼模型准确地描述了生长动力学,具有高相关系数 (0.760对于GV17,0.852对于STI-12).
- 在28天的时间里,协同形成减少了8.90%,这表明结构稳定性有所改善,而水保持不变. 乳酸细菌 (LAB) 的活细胞数量保持在10.00 log CFU/mL以上.
结论:
- Lacticaseibacillus paracasei GV17显示出作为功能性食品应用中的益生菌的巨大潜力.
- 在Lc.的共同文化. 对于无乳糖发酵牛奶生产而言,paracasei GV17和St. thermophilus STI-12在技术上是可行的.
- 需要进一步的研究来探索Lc.的全部潜力. 功能乳制品中的 GV17 .
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