Microwave-Assisted "One-Pot" Acidolysis and Extraction for the Rapid Determination of Mancozeb in Fruit and Vegetable Samples

文献类型： 外文期刊

第一作者： Tian, Qiaoxia

作者： Tian, Qiaoxia;Li, Hongxing;Han, Bingjun;Tian, Qiaoxia;Chen, Lixia

作者机构：

期刊名称：JOURNAL OF FOOD QUALITY （ 影响因子：3.3； 五年影响因子：3.5 ）

ISSN： 0146-9428

年卷期： 2024 年 2024 卷

页码：

收录情况： SCI

摘要： Mancozeb is an extensively consumed fungicide, which often leaves high residue levels on agricultural products. The conventional method for detecting mancozeb involves a time-consuming process using gas chromatography (GC) after a 2-hour water-bath acidolysis, resulting in low efficiency and recovery rates. This study developed a rapid method for detecting mancozeb in fruits and vegetables using microwave-assisted acidolysis and extraction coupled with GC analysis. Mancozeb underwent "one-pot" acidolysis to generate CS2 gas and was subsequently extracted from samples using microwave treatment, requiring only 50 seconds of pretreatment time. The average recoveries of mancozeb ranged from 81% to 112%. The limit of detection and limit of quantification were 0.003 and 0.01 mg kg-1, respectively. The scanning electron microscope imaging showed that strong cell crumpling after microwave treatment improved the acidolysis rate significantly, where the acidolysis rate was 91.8% for mancozeb. In addition, this method is rapid, simple, and precise for detecting residues of mancozeb and other dithiocarbamate fungicides.

分类号：

  • 相关文献
作者其他论文 更多>>

微信小程序