Screening of multi-mycotoxins in fruits by ultra-performance liquid chromatography coupled to ion mobility quadrupole time-of-flight mass spectrometry
文献类型： 外文期刊
作者： Fan, Yingying 1 ; Liu, Fengjuan 2 ; He, Weizhong 2 ; Qin, Qiaomei 4 ; Hu, Dongqiang 5 ; Wu, Aibo 5 ; Jiang, Weibo 1 ; Wang, Cheng 3 ;
作者机构： 1.China Agr Univ, Coll Food Sci & Nutr Engn, Beijing 100083, Peoples R China
2.Xinjiang Acad Agr Sci, Inst Qual Stand & Testing Technol Agroprod, Urumqi 830091, Peoples R China
3.Minist Agr & Rural Affairs, Lab Qual & Safety Risk Assessment AgroProd Urumqi, Key Lab Agroprod Qual & Safety Xinjiang, Urumqi 830091, Peoples R China
4.Xinjiang Univ, Coll Life Sci & Technol, Urumqi 830091, Peoples R China
5.Chinese Acad Sci, Univ Chinese Acad Sci, Shanghai Inst Nutr & Hlth, SIBS UGENT SJTU Joint Lab Mycotoxin Res,CAS Key L, Shanghai 200031, Peoples R China
6.Xinjiang Acad Agr Sci, Management Sci Res, Urumqi 830091, Peoples R China
关键词： Mycotoxins; Fruit; IMS QTOF MS; QuEChERS
期刊名称：FOOD CHEMISTRY （ 影响因子：9.231； 五年影响因子：8.795 ）
ISSN： 0308-8146
年卷期： 2022 年 368 卷
页码：
收录情况： SCI
摘要： A modified quick, easy, cheap, effective, rugged, and safe extraction procedure combined with ultra-performance liquid chromatographic separation and ion mobility quadrupole time-of-flight mass spectrometry was developed to determine the presence of 20 mycotoxins (i.e., Alternaria toxins, ochratoxin, patulin, aflatoxin and trichothecenes) in fruit samples from Xinjiang. A complete platform, including screening via an in-house library, confirmation and quantification using reference standards, was established, which provided accurate MS data and complete spectra containing the fragment ions for each analyte. To evaluate the performance of the developed method, satisfactory validation parameters, such as linearity (R2 >= 0.9992), precision (RSDs <= 9.8%), recovery (81.2-99.2%), LOD (0.06-2.22 mu g kg- 1), and LOQ (0.2-7.39 mu g kg- 1), were obtained. The analysis of 130 fruit samples revealed nonnegligible contamination with mycotoxins; specifically, the highest levels of three Alternaria toxins were detected in jujube, wolfberries and raisins.
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