Optimization of QuEChERS cleanup for quantification of γ-oryzanol in vegetable oils by UHPLC-MS/MS

文献类型： 外文期刊

第一作者： Li, Shaowei

作者： Li, Shaowei;Yuan, Yuting;Zhang, Liangxiao;Ma, Fei;Li, Peiwu;Li, Shaowei;Zhang, Liangxiao;Li, Peiwu;Li, Peiwu;Ma, Fei

作者机构：

关键词： gamma-Oryzanol; QuEChERS; Cleanup; Quantification; UHPLC-MS/MS; Vegetable oil

期刊名称：FOOD CHEMISTRY-X （ 影响因子：6.5； 五年影响因子：6.4 ）

ISSN： 2590-1575

年卷期： 2024 年 22 卷

页码：

收录情况： SCI

摘要： This study was based on QuEChERS cleanup coupled with UHPLC-MS/MS for the determination of gamma-oryzanol compounds in vegetable oils. Several parameters of QuEChERS and UHPLC-MS/MS were studied for purification and detection of gamma-oryzanol compounds in oil samples. Under the optimized conditions, the whole pretreatment procedure could be accomplished within 10 min without tedious procedure, larger volume of organic solvent and complicated apparatus. The limit of detections and the limit of quantifications for gamma-oryzanol compounds were ranging from 0.1-0.3 mu g kg -1 and 0.4 -1.0 mu g kg -1 , respectively. Satisfactory recoveries of all analyts were ranging from 72.2 % to 101.3 %, and the intra-day and inter -day precision were less than 10.6 %. The validation indicated that rice band oil and corn oil were rich in 24-mCAF, CAF, beta-SIF, CMF and STF. The QuEChERS-UHPLCMS/MS simultaneously quantified five gamma-oryzanol compounds in lipid matrices and assessed the nutritional and functional substances of vegetable oils.

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