巴西莫扎雷拉奶酪在生产阶段的微生物质量和安全性
Fernando Loiola Nunes1, Jeycy Kelle Sirqueira Mendonça1, Bianca Pereira Dias1
1National Institute of Science and Technology for the Dairy Production Chain (INCT-Leite), Food Microbiology Laboratory, Departamento de Medicina Veterinária, Universidade Federal do Norte do Tocantins, Araguaína, Brazil.
Foodborne pathogens and disease
|April 11, 2024
概括
在热带气候下生产莫扎雷拉会带来微生物学风险,而生牛奶质量是一个问题. 用病原体重新污染,如沙门氏菌 spp. 在加工过程中可能发生,需要改善卫生实践.
科学领域:
- 食品微生物学 食品微生物学
- 食品安全 食品安全
- 乳制品科学 乳制品科学
背景情况:
- 热带地区的莫扎雷拉生产面临着独特的微生物学挑战.
- 在整个生产链中评估微生物质量和安全性对于消费者健康至关重要.
研究的目的:
- 评估莫扎雷拉奶酪在不同生产阶段的微生物质量和安全性.
- 在热带气候下确定微生物污染的关键控制点.
- 描述凝聚酶阳性葡萄球菌 (CPS) 的毒性潜力.
主要方法:
- 生牛奶,生产过程中的莫扎雷拉和成品的微生物学分析.
- 识别病原体,如 * 沙门氏菌 * spp. 和Listeria monocytogenes使用微生物学和生物分子方法.
- 标志性微生物的量化和CPS毒性特性.
主要成果:
- 生牛奶的微生物质量很低;消毒在消除病原体方面是有效的.
- 重新感染 * 沙门氏菌 * spp. 和CPS发生在牛奶凝结和乳酪排水期间.
- 像拉伸和水这样的加工步骤减少了细菌的数量.
- * 沙门氏菌 * spp. 在新鲜奶酪中检测到,而L. monocytogenes在保质期过后出现.
结论:
- 运营卫生程序,特别是牛奶凝结和发酵过程中,需要在热带气候下进行审查.
- 确保莫扎雷拉的高微生物质量需要严格的控制措施,以尽量减少病原体的存在.
- 持续监测和改善卫生条件对于在温暖的环境中减少与乳制品相关的消费风险至关重要.
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