牛奶变质模型预测,共享表不会有意义地增加变质,而改进的储存系统可以减少变质
Paola Corea1, Gustavo A Reyes1, Gabriella Pinto1
1Department of Food Science and Human Nutrition, University of Illinois at Urbana-Champaign, Urbana, IL 61801.
Journal of dairy science
|August 18, 2024
概括
学校的共享表可以安全地包括牛奶,即使没有冷藏,预测的损坏最小. 较长的午餐时间可能需要温度控制,以防止牛奶显著变质,从而减少食物浪费.
科学领域:
- 食品科学 食品科学 食品科学
- 微生物学 微生物学
- 公共卫生 公共卫生
背景情况:
- 学校共享餐桌有助于食物回收和获得牛奶等营养食品.
- 人们对牛奶腐烂存在担忧,原因是牛奶在分享表上的温度滥用.
- 之前关于短期环境暴露的研究可能不能完全反映学校食堂的不同条件.
研究的目的:
- 在各种条件下,在学校分享表上评估牛奶的微生物质量.
- 在学校环境中确定影响牛奶腐烂的关键因素.
- 为明智地决定将牛奶纳入股份表提供数据.
主要方法:
- 牛奶腐烂的预测模型. 牛奶腐烂的预测模型.
- 考虑诸如制冷温度,初始污染,环境温度暴露和钟表持续时间等变量.
- 模拟不同的储存场景.
主要成果:
- 过夜的制冷温度和初始污染是破坏的主要驱动因素.
- 短/中钟时间表 (<125分钟) 显示最小的损坏 (≤2纸箱/学年) 没有温度控制.
- 较长的钟表 (221-266分钟) 预测了更高的损坏,减少了添加的存储系统.
结论:
- 在典型的条件下,牛奶可以安全地包含在学校的配额表中,风险最小.
- 较长的服务时间需要温度控制策略来保持牛奶质量.
- 研究结果支持使用分享表来减少食物浪费和打击粮食不安全.
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