在大米黄化过程中,黄素样式及其生物活性性能的动态变化及其生物活性性质的动态变化
Jinguang Liu1, Caiyun Tang1, Yanan Qv1
1College of Food Science and Engineering, Shandong Agricultural University, Tai'an 271018, China.
Food chemistry
|July 21, 2025
概括
在热应激下米变黄会增加有益的黄酸,增强抗氧化和抗菌特性. 这项研究优化了提取并确定了关键化合物,揭示了黄米的潜在应用.
科学领域:
- 农业科学 农业科学
- 生物化学 生化学
- 食品科学 食品科学 食品科学
背景情况:
- 传统上,在热应激下米变黄与质量降低有关.
- 这种黄色现象与显著的黄类积累有关.
研究的目的:
- 为了优化从黄中提取黄类素.
- 分析在黄过程中黄素积累的动态.
- 为了研究黄中的黄酸的生物活性和化学特征.
主要方法:
- 优化了对黄类的超声波辅助提取.
- 分析了总黄含量和生物活性 (抗氧化剂,抗菌剂,低血糖剂).
- 利用代谢学来识别和量化主要的黄类子类和特定化合物.
主要成果:
- 优化的提取产生了增加的黄化和黄化总类素.
- 黄类药物与增强的抗氧化剂,抗菌 (大肠杆菌,金黄色杆菌) 和低血糖活性相关.
- 代谢学揭示了不同大米品种 (Mudanjiang japonica, Xiangwanxian indica) 的明显的黄类子类模式 (黄,黄醇,异黄,酸).
- 特定的化合物,如黄素和pelargonidin被确定为黄色的关键驱动器在Mudanjiang japonica.
- 旺西安指标显示,黄色是由于有质性的黄类物质变化引起的.
结论:
- 在热应激下米变黄是一个复杂的过程,涉及显著的黄酸积累.
- 鉴定的黄类化合物具有显著的生物活性,这表明黄的潜在应用.
- 了解特定品种的黄类动态,可以了解大米的质量和应激反应机制.
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