一个粉分子解释老化温度对米粒粘贴性,消化性和质感的影响
Enpeng Li1,2, Xue Xiao1,2, Yifei Huang1,2
1Jiangsu Key Laboratory of Crop Genomics and Molecular Breeding/Key Laboratory of Plant Functional Genomics of the Ministry of Education/Jiangsu Key Laboratory of Crop Genetics and Physiology, Agricultural College of Yangzhou University, Yangzhou 225009, China.
Foods (Basel, Switzerland)
|August 14, 2025
概括
储存温度在老化过程中显著影响米粉的结构和质量. 高温增加粘度和硬度,同时影响消化速度,揭示了关键的结构功能关系.
科学领域:
- 食品科学 食品科学 食品科学
- 农业科学 农业科学
- 材料科学 是一种材料科学.
背景情况:
- 储存期间的米质量变化与粉分子变化有关.
- 储存温度在米粉结构功能关系中的具体作用尚不清楚.
研究的目的:
- 调查不同储存温度如何影响粉在米老化过程中的粉结构功能关系.
- 为了确定老化温度对大米粉分子特征和由此产生的特性的影响.
主要方法:
- 米粒被存储在四种不同的温度下.
- 分析了粉分子结构,包括链条长度.
- 测量了诸如粘度,消化速度和硬度等物理化学性质.
主要成果:
- 储存温度显著影响了粉链长度,粘度和硬度.
- 更高的储存温度 (例如40°C) 导致峰值和回落粘度增加,谷物硬度增加.
- 在更高的温度下,消化速率常数下降,而最大消化粉百分比增加.
结论:
- 储存温度是调节米粉在老化过程中的结构和特性的一个关键因素.
- 粉分子结构的观察到的变化与改变的米质量属性相关.
- 这些发现提高了对大米老化机制的理解,并为优化储存条件提供了见解.
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