在烤过程中,烤的水分和关键芳香化合物的动态变化
Yongrui Wang1, Heyu Zhang1, KenKen Li2
1College of Agriculture, Ningxia University, Yinchuan 750021, China.
Food research international (Ottawa, Ont.)
|September 10, 2023
概括
烤会影响水分分配和香味化合物. 较长的时间改变了水的流动性和关键的挥发性化合物,影响了风味.
科学领域:
- 食品科学 食品科学 食品科学
- 分析化学 分析化学
- 肉类科学 肉科学
背景情况:
- 了解烤过程中水分布和挥发性化合物的动态变化对于优化肉质量至关重要.
- 电烤是一种常见的方法,它对肉类感官特性的影响值得详细研究.
研究的目的:
- 研究不同电烤时间对肉水分和关键芳香化合物的影响.
- 识别关键的芳香化合物及其与烤过程中的物理和化学变化之间的相关性.
主要方法:
- 肉的电烤时间不同 (0-14分钟).
- 气色谱-质谱 (GC-MS) 用于挥发性化合物分析.
- 低场核磁共振 (LF-NMR) 用于评估水的分布 (T2放松时间和M2组件).
主要成果:
- 确定了11种关键的芳香化合物,包括化物和酒精.
- 观察到水放松时间 (T22,T23) 和移动水含量 (M22,M23) 与时间的变化.
- 在关键芳香化合物,颜色 (L*,a*,b*),M23和氨基酸之间发现了正相关性;与T22,M22和水分含量有负相关性.
结论:
- 烤时间显著影响水的迁移和中关键芳香化合物的形成.
- 水的流动性下降,移动水含量在电烤过程中动态变化.
- 特定的物理和化学参数是烤中关键芳香化合物特征的强有力的指标.
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