生和煮熟的干的不同风味特征的形成
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Updated: Sep 11, 2025

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Preparation of High-Quality Fermented Fish Product
Published on: August 23, 2019
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Duanquan Lin1, Yu-Lei Chen1, Wei-Sen Huo1
1College of Ocean Food and Biological Engineering, Jimei University, Xiamen, China.
Food chemistry: X
|August 18, 2025
概括
加工技术显著影响干的味道. 温和的干燥通过释放谷氨酸来增强乌玛米,但会增加苦味,而高热会减少苦味,但也会减少乌玛米,并导致黄色.
科学领域:
- 食品科学 食品科学 食品科学
- 生物化学 生物化学
- 海洋生物技术 海洋生物技术
背景情况:
- 干的风味发展对于质量至关重要.
- 蛋白质的蛋白质分解释放了风味化合物,特别是乌玛米氨基酸.
- 加工技术显著影响这种降解,但缺乏系统研究.
研究的目的:
- 阐明加工技术如何影响干的风味形成.
- 为了确定参与乌玛米化合物释放的关键蛋白质和机制.
- 为优化干加工提供科学基础.
主要方法:
- 用不同的干燥温度 (50°C和90°C) 处理.
- 分析了风味化合物,特别是氨基酸.
- 质谱法用于识别参与风味释放的向蛋白质.
主要成果:
- 轻度干燥 (50°C) 通过增加谷氨酸酸来最大限度地增加乌玛米,但也积累了苦味化合物.
- 高温干燥 (90°C) 减少了苦味,但也减少了乌玛米,并引起了黄色.
- 大约35kDa的蛋白质的水友性域,包括富含谷氨酸的蛋白质,如β-tubulin和类似actin的蛋白质,被酶性向,释放出自由谷氨酸.
结论:
- 加工温度极大地影响了干中的乌玛米和苦味化合物的平衡.
- 了解蛋白质降解途径可以优化干的味道.
- 这项研究为提高干生产技术提供了科学基础.
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