高性能液体色谱与后列光衍生,用于精确检测谷物产品中的多基醇
Hongchen Li1, Jing Cheng2, Jingbo Sun1
1National Engineering Laboratory for Rice and By-products Further Processing, College of Food Science and Engineering, Central South University of Forestry & Technology, Changsha 410004, China.
Food chemistry
|August 24, 2025
概括
一种新的高性能液态染色法使用多巴胺衍生物来检测敏感的醇. 这种技术可以准确地测量谷物产品中的基素,帮助进行营养分析和促进全谷物健康.
科学领域:
- 分析化学
- 食品科学
- 生物化学
背景情况:
- 基素 (ARs) 是全谷物摄入量的生物活性化合物和生物标志物.
- 准确量化AR对于营养评估和了解健康益处至关重要.
- 现有的AR测定方法可能缺乏灵敏度或效率.
研究的目的:
- 开发和验证一种敏感且可靠的方法来确定食品基质中的基化物 (AR).
- 使用高性能液体染色学 (HPLC) 进行后列光衍生,以提高检测.
- 使用多巴胺 (DA) 作为衍生剂,以提高灵敏度和减少干扰.
主要方法:
- 高性能液体染色学 (HPLC) 与后列光衍生相结合.
- 作为AR的衍生剂使用的多巴胺 (DA),形成高度光的产品.
- 优化反应条件,包括柱体温度,DA度,缓冲液 pH 和流量.
- 确定五种AR同类物质:C17:0,C19:0,C21:0,C23:0,和C25:0.
主要成果:
- 该方法实现了高灵敏度,检测极限在0.015-0.040 ng/mL之间.
- 获得了很好的康复率 (98. 96% - 107. 92%) 和较低的相对标准偏差 (< 4. 73%).
- 该方法在广泛的线性范围 (0.2-20,000 ng/mL) 内有效检测谷物产品中的反射剂.
- 开发的方法优于以前用于AR的分析技术.
结论:
- 一种经过验证的HPLC方法与DA光衍生提供了敏感和准确的AR量化.
- 这种方法适用于评估谷物产品的营养质量,并促进全谷物消费.
- 这种技术的增强灵敏度和可靠性为食品分析和健康研究提供了重大潜力.
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