化学测量洞察到味道的发展和质量变化在吉杂交牛腰部在湿老化期间
Hye-Jin Kim1, Dongheon Lee1, Seungcheol Lee1
1Department of Agricultural Biotechnology, Center for Food and Bioconvergence, and Research Institute of Agriculture and Life Science, Seoul National University, Seoul 08826, Korea.
Food science of animal resources
|March 13, 2026
概括
湿老化七天的济州杂交牛 (JCC) 牛肉改善了它的味道和质量. 延长老化超过14天可能会对JCC牛肉风味概况产生负面影响.
科学领域:
- 食品科学 食品科学 食品科学
- 肉类科学 肉科学
- 感官科学 感官科学
背景情况:
- 湿老化是改善肉质的一种常见方法.
- 济州杂交牛 (JCC) 是一种独特的品种,具有生产高质量的牛肉的潜力.
- 了解老化对JCC牛肉的影响对于优化其市场价值至关重要.
研究的目的:
- 为了研究JCC牛肉在28天湿时的物理化学和风味变化.
- 确定关键的挥发性有机化合物 (VOC) 和与JCC牛肉老化相关的代谢物.
- 为了确定最佳的老化期来增强JCC牛肉的感官属性.
主要方法:
- 来自JCC的牛肉腰部在4°C下在28天的时间内在湿地老化.
- 测量了物理化学性质 (pH,颜色,含水量,损失) 和纹理 (剪切力).
- 使用GC-MS和LC-MS分析了挥发性有机化合物 (VOC) 和代谢物.
- 电子舌头分析评估了口味特征 (酸味,苦味,乌玛米).
主要成果:
- 物理化学性质的变化很小,但CIE a*-,CIE b*-值,切削力在7天后减少.
- 经过21天的老化,水容量显著增加.
- 衰老改变了19种VOC的特征,14天后出现了没有气味的化合物.
- 氨基酸和在衰老过程中增加,有助于增强口味特征.
- 长达7天的牛肉显示出最强烈的口味特征,酸性,苦味和umami的质量得到改善.
结论:
- 在7天的湿老化过程中,提高了JCC牛肉的物理化学和感官质量.
- JCC牛肉的最佳老化时间可能在7至14天之间.
- 长时间老化超过14天可能会导致不良的风味变化和异味的发展.
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