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Development of an economic ultrafast liquid chromatography with tandem mass spectrometry method for trace analysis of multiclass mycotoxins in Polygonum multiflorum

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单位: [1]Pharmacy College, Jinzhou MedicalUniversity, Jinzhou, P. R. China [2]Institute of Medicinal Plant Development,Chinese Academy ofMedical Sciences,Peking UnionMedical College, Beijing,P. R. China [3]Shenzhen Key Laboratory of Drug QualityStandard Research, Shenzhen Institute forDrug Control, Shenzhen, P. R. China [4]ChinaMilitary Institute of ChineseMedicine,302 Military Hospital, Beijing, P. R. China [5]Department of Pharmacy, Beijing FriendshipHospital, CapitalMedical University, Beijing,P. R. China
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关键词: method development multiclass mycotoxins Polygonum multiflorum trace analysis ultrafast liquid chromatography

摘要:
Rapid, economic, and highly effective determination of multiple mycotoxins in complex matrices has given huge challenges for the analytical method. In this study, an economic analytical strategy based on sensitive and rapid ultrafast liquid chromatography coupled to hybrid triple quadrupole/linear ion trapmass spectrometry technique was developed for the determination of sevenmycotoxins of different chemical classes (aflatoxin B-1, B-2, G(1), and G(2), ochratoxin A, T-2 toxin, and HT-2 toxin) in Polygonum multiflorum. Target mycotoxins were completely extracted using a modified quick, easy, cheap effective, rugged, and safe method without additional clean-up steps. The types of extraction solvents and adsorbents for the extraction procedure were optimized to achieve high recoveries and reduce coextractives in the final extracts. Due to significant matrix effects for all analytes (<= 68.9% and <= 110.0%), matrix-matched calibration curves were introduced for reliable quantification, exploring excellent linearity for the seven mycotoxins with coefficients of determination >0.9992. The method allowed high sensitivity with limit of detection in the range of 0.031-2.5 mu g/kg and limit of quantitation in the range of 0.078-6.25 mu g/kg, as well as satisfactory precision with relative standard deviations lower than 8%. Recovery rates were between 74.3 and 119.8% with relative standard deviations below 7.43%. The proposed method was successfully applied for 24 batches of P. multiflorum samples, and six samples were found to be positive with aflatoxin B-1, (B)2, G(1), or ochratoxin A. The method with significant advantages, including minimum analytical time, low time and solvent consumption, and high sensitivity, would be a preferred candidate for economic analysis of multiclass mycotoxins in complex matrices.

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出版当年[2018]版:
大类 | 3 区 化学
小类 | 3 区 分析化学
最新[2025]版:
大类 | 3 区 工程技术
小类 | 3 区 分析化学
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出版当年[2017]版:
Q2 CHEMISTRY, ANALYTICAL
最新[2023]版:
Q2 CHEMISTRY, ANALYTICAL

影响因子: 最新[2023版] 最新五年平均[2021-2025] 出版当年[2017版] 出版当年五年平均[2013-2017] 出版前一年[2016版] 出版后一年[2018版]

第一作者:
第一作者单位: [1]Pharmacy College, Jinzhou MedicalUniversity, Jinzhou, P. R. China [2]Institute of Medicinal Plant Development,Chinese Academy ofMedical Sciences,Peking UnionMedical College, Beijing,P. R. China
通讯作者:
通讯机构: [1]Pharmacy College, Jinzhou MedicalUniversity, Jinzhou, P. R. China [*1]Pharmacy College, Jinzhou MedicalUniversity, Jinzhou 121001, P. R. China.
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