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苏发酵菌株选,工艺优化以及热加工方法对其风味的影响
Qianqian Zhang1, Feng Zhao2, Tong Shi1
1School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu Province 212013, China.
Food research international (Ottawa, Ont.)
|October 7, 2023
概括
用特定的微生物优化苏发酵,改善了味道和质量. 烤和炸增强了感官属性,为这种传统发酵鱼的标准化生产提供了途径.
科学领域:
- 食品科学 食品科学 食品科学
- 微生物学 微生物学
- 发酵技术的发酵技术
背景情况:
- 来自中国南方的传统发酵水生食物苏,由于自然发酵的变化,其质量不一致.
- 环境因素对传统苏安的发酵过程和最终产品质量产生重大影响.
研究的目的:
- 选和识别适合的微生物启动剂,用于Suanyu发酵.
- 为了优化发酵过程,提高苏的质量和味道.
- 评估不同热处理对苏的感觉特征的影响.
主要方法:
- 微生物发酵剂的查,特别是识别Enterococcus rivorum和乳糖菌.
- 优化为Suanyu的混合启动发酵过程.
- 研究自然发酵对混合起始发酵的影响.
- 评估热处理 (微波,炸,烤) 对苏味道风味的影响.
- 使用电子鼻子技术进行样本歧视.
- 进行味道和颜色评估的感官评估.
主要成果:
- 与自然发酵相比,混合起始发酵导致TVB-N含量更低,总酸度和风味化合物更丰富.
- 胺含量在发酵组之间没有显著差异.
- 处理显著增加了自由氨基酸,有机酸,核酸和关键的芳香成分.
- 电子鼻子成功地区分了不同处理的Suanyu样本.
- 感官评估表明,烤和炸的苏样本具有更可接受的风味和颜色.
结论:
- 使用精选的微生物启动剂 (Enterococcus rivorum和Enterococcus lactis) 和优化的发酵过程可以稳定和增强Suanyu质量.
- 热处理,特别是烤,显著提高了suanyu的风味特征和感官接受度.
- 这项研究为Suanyu的标准化生产和开发方便的预产品提供了理论基础.
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