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- Title
A COMPARATIVE STUDY OF THREE METHODS OF EXTRACTION OF MYCOTOXINS FROM BEER.
- Authors
IONASCU, COSMIN; OSTAFE, VASILE
- Abstract
Three sample preparation methods: solvent extraction, solid-phase 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.
- Subjects
EXTRACTION (Chemistry); MYCOTOXINS; BEER; COMPARATIVE studies; DILUTION; LIQUID chromatography
- Publication
Studia Universitatis Babes-Bolyai, Chemia, 2014, Vol 59, Issue 4, p17
- ISSN
1224-7154
- Publication type
Article