Subzero-temperature homogeneous liquid-liquid extraction for the stereoselective determination of chiral triadimefon and its metabolite in water, fruit juice, vinegar, and fermented liquor by HPLC

文献类型： 外文期刊

第一作者： Guo, Xingle

作者： Guo, Xingle;Jiang, Haijuan;Guo, Yuqi;Jia, Liyan;Jing, Xu;Guo, Xingle;Wu, Junxue;Jiang, Haijuan;Jia, Liyan;Jing, Xu

作者机构：

期刊名称：ANALYTICAL METHODS （ 影响因子：3.1； 五年影响因子：3.0 ）

ISSN： 1759-9660

年卷期： 2023 年 15 卷 41 期

页码：

收录情况： SCI

摘要： A novel method based on homogeneous liquid-liquid extraction with deep eutectic solvents (DES) under subzero-temperature conditions in combination with high performance liquid chromatography (HPLC) for the determination of chiral fungicide triadimefon (TF) and its metabolite triadimenol (TN) in water, fruit juice, vinegar, and fermented liquor was developed in this study. The method involved using deep eutectic solvents (DES) under subzero-temperature conditions in combination with high performance liquid chromatography (HPLC). This novel technique, known as subzero-temperature homogeneous liquid-liquid extraction (STHLLE), offers several advantages, including high efficiency, time-saving, low-cost, and eco-friendliness. The enantiomers of chiral TF and TN were simultaneously separated and quantified using HPLC coupled with a Daicel Chiralpak OD-RH column. Various experimental parameters such as DES composition and volume, freezing condition, salt concentration, and pH were optimized to enhance the recoveries of the target analytes. Under the optimized conditions, spiked recoveries of six enantiomers (i.e., S-TF, R-TF, SR-TN, RS-TN, SS-TN, and RR-TN) in the water, fruit juice, vinegar, and fermented liquor samples were 82.2-100.1% with relative standard deviations of 0.4-10.1%. The current method demonstrated a detection range of 0.03-0.06 mg L-1 in the target analytes. This established technique exhibits potential for efficient and precise extraction and quantification of the enantiomers of TF and TN in water phase samples. A novel method based on homogeneous liquid-liquid extraction with deep eutectic solvents under subzero-temperature conditions in combination with HPLC for the determination of chiral fungicide triadimefon and its metabolite triadimenol was developed.

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