A COMPARATIVE STUDY OF THREE METHODS OF EXTRACTION OF MYCOTOXINS FROM BEER

被引：0
|
作者：
Ionascu, Cosmin [1 ]
Ostafe, Vasile [2 ]
机构：
[1] West Univ Timisoara, Fac Chem Biol Geog, Dept Biol Chem, Timisoara 300115, Romania
[2] Adv Res Environm Labs, Multidisciplinary Res Platform Nicholas Georgescu, Timisoara 300086, Romania
来源：
STUDIA UNIVERSITATIS BABES-BOLYAI CHEMIA | 2014年 / 59卷 / 04期
关键词：
mycotoxins; extraction method; SPE; matrix effects; sample dilution effect; PERFORMANCE LIQUID-CHROMATOGRAPHY; MASS-SPECTROMETRY; OCHRATOXIN; CEREALS; MS/MS;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Three sample preparation methods: solvent extraction, solidphase extraction (SPE) and stir bar sorptive extraction (SBSE) to assess the occurrence of 11 mycotoxins in beer (pale, dark and non-alchoolic) samples were compared. In order to select the best extraction procedure, the sample matrix effects and the effect of the dilution of the sample were investigated by addition of the analytes before and after the extraction procedure was carried out. The study revealed that SPE (with Oasis HLB cartridge) procedure offered the best results compared with the other two extraction methods: relative standard errors under 16% and recovery of the analytes better than 85%. An Ultrahigh Performance Liquid Chromatography coupled with Mass Spectrometry (UPLC-MS/MS) method was used to identify and confirm the mycotoxins.
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页码：17 / 32
页数：16
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