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在不同温度的储存条件下,淡水贝类的细菌变化和质量恶化Hyriopsis cumingii肉
Yuntao Li1, Huan Li2, Chaotian Lv3
1Bengbu University, Bengbu, China; liyuntao@bbc.edu.cn.
Canadian journal of microbiology
|December 17, 2025
概括
在不同温度下储存Hyriopsis cumingii会显著改变其微生物群落和质量. 冷藏有利于病原细菌,而室温有利于腐烂细菌,影响整体肉质.
科学领域:
- 微生物学 微生物学
- 食品科学 食品科学 食品科学
- 水产养殖是水产养殖的一种方式.
背景情况:
- 红 (Hyriopsis cumingii) 是中国经济上至关重要的淡水贝类.
- 了解储存期间的微生物变化对于质量保存至关重要.
研究的目的:
- 为了研究储存的H. cumingii.中的温度调节的细菌群体转移.
- 阐明不同温度下的微生物变化所导致的质量恶化机制.
主要方法:
- 集成的16S rRNA全长测序与质量指标.
- 在冷藏 (4°C) 和室温 (25°C) 储存下分析了细菌群体结构和代谢途径.
主要成果:
- 随着储存时间在两种温度下降,细菌丰富度都会下降.
- 社区的组成发生了显著的变化,在4°C和25°C时显著的细菌丰富.
- 冷却导致更高的致病细菌,而室温有利于腐烂细菌.
结论:
- 温度是重组H. cumingii肉中的细菌群落的一个关键因素.
- 不同的微生物腐烂机制在不同的储存温度下运作.
- 微生物组成的变化预测了储存的贝类的质量退化.
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