冷藏牛肉中的动态微生物群落和代谢概况:来自各种包装策略的见解
Chenchen Xu1, Shouwei Wang1, Jing Bai1
1China Meat Research Center, Beijing Academy of Food Sciences, Beijing the Key Laboratory of Meat Processing Technology, Beijing 100068, China.
Food research international (Ottawa, Ont.)
|November 27, 2024
概括
真空皮包装 (VS) 和真空包装 (CV) 通过保持微生物多样性和稳定性来延长新鲜牛肉的保质期. VS包装显示出独特的代谢途径,有利于牛肉的风味和氧化控制.
科学领域:
- 食品科学 食品科学 食品科学
- 微生物学 微生物学
- 代谢学 代谢学 代谢学
背景情况:
- 延长新鲜牛肉的保质期对肉类行业至关重要.
- 了解储存期间的微生物和代谢变化是产品质量的关键.
研究的目的:
- 根据不同的包装方法,研究牛肉中的微生物群落继承和代谢特征变化.
- 在冷藏储存期间识别微生物群落和代谢物之间的相互作用.
- 评估空气包装 (AP),真空包装 (CV) 和真空皮包装 (VS) 对牛肉质量的影响.
主要方法:
- 微生物多样性和社区结构的比较分析.
- 代谢学分析,以识别和量化代谢物.
- 微生物属和代谢物之间的相关性分析.
- 评估与牛肉质量相关的代谢途径.
主要成果:
- 与AP相比,CV和VS包装保持了较高的微生物多样性.
- 脂质和类似脂质的分子是发现的最丰富的代谢物.
- VS包装显示出独特的代谢途径,包括氧化酸化和信号,增强风味和氧化稳定性.
- 数十种代谢物被确定为包装处理效应的潜在生物标志物.
- 在特定的细菌属 (例如,布罗科特里克斯,阿辛托巴克特,塞拉提亚) 和代谢物 (脂质,有机酸,核酸) 之间发现了积极的相关性.
结论:
- 在维护微生物多样性和延长新鲜牛肉的保质期方面,VS和CV包装优于AP.
- 代谢学的见解,特别是来自VS包装的见解,为改善牛肉风味和氧化稳定性提供了策略.
- 识别微生物代谢物生物标志物有助于优化肉类行业的包装策略.
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