电感耦合等离子体质谱法
扁桃
质谱法
化学计量学
化学
校准
激光烧蚀
感应耦合等离子体
分析化学(期刊)
色谱法
激光器
园艺
等离子体
数学
统计
生物
物理
光学
量子力学
栽培
作者
Kristian von Wuthenau,Marie-Sophie Müller,L. Cvancar,M. Oest,Markus Fischer
标识
DOI:10.1021/acs.jafc.2c01088
摘要
Food fraud is a growing problem, especially misdeclaration due to regional price differences offering a wide field. Fast, powerful, and cost-effective analytical methods are therefore essential to counteract food fraud. The isotopolome is suitable for origin discrimination and was analyzed in this study using laser ablation inductively coupled plasma mass spectrometry (ICP-MS). A total of 250 almond samples from six countries and four crop years were analyzed and evaluated by chemometric methods. By using a ratio-based assessment, calibration problems were avoided and an origin predictive accuracy of 85.2 ± 1.2% was achieved. Compared to ICP-MS with solution nebulization, the analysis time could be reduced to about one-fifth.
科研通智能强力驱动
Strongly Powered by AbleSci AI