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微生物和特征性挥发性风味化合物在卢发酵米面中的微生物和特征性挥发性风味化合物
Zhilin Zhang1, Chengmei Liu2, Tingting Chen2
1State Key Laboratory of Food Science and Resource, Nanchang University, Nanchang 330047, China.
Food chemistry
|June 24, 2025
概括
城发酵米面 (LCFN) 在30天的发酵过程中发展出独特的风味,与微生物脂质代谢有关. 特定的细菌和真菌,如乳酸菌和地菌,是创建这些理想的风味配置文件的关键.
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:
- 城发酵米面 (LCFN) 的吸引力口味与发酵过程中的微生物活动有关,但确切的机制尚不清楚.
- 了解风味的发展对于优化LCFN生产和确保产品质量至关重要.
研究的目的:
- 为了阐明30天发酵期间LCFN中风味形成的机制.
- 确定关键的微生物和代谢途径,负责特征性风味的发展.
主要方法:
- 利用电子鼻子技术监测30天内的风味变化.
- 使用元基因组学分析了微生物的继承,并评估了脂酶活性.
- 与脂肪酸概况相关的挥发性化合物.
主要成果:
- 7-10天之间发生了显著的风味转变,从15-30天观察到成熟.
- 鉴定出了特有的风味化合物,包括各种类型的化物和2-烯 furan.
- 这些风味与棕酸,油性酸和酸具有积极的相关性,这表明乳酸菌和地菌参与了脂质代谢.
结论:
- 乳酸菌和地菌 (Geotrichum) 的脂质代谢可能是LCFN.特有的风味的原因.
- 这项研究为选择有效的微生物来增强LCFN风味提供了理论基础.
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