Journal
FOOD CHEMISTRY
Volume 141, Issue 3, Pages 1619-1623Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2013.05.080
Keywords
Patulin; QuEChERS; Gas chromatography mass spectrometry (GC-MS)
Funding
- Kimia Shangarf Pars Research Company
- Alzahra University
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A reliable gas chromatography-mass spectrometry with a QuEChERS procedure has been developed and validated for detection and determination of patulin in apple juice. This procedure includes initial extraction step with acetonitrile, partitioning step by addition of magnesium sulphate, sodium carbonate and sodium chloride, and clean-up step using dispersive solid-phase extraction by addition of a mixture of magnesium sulphate and primary secondary amine sorbent. In order to increase GC adoptability of patulin, derivatisation step was performed using N,O-bis-trimethylsilyl trifluoroacetamide. Method recoveries of patulin from apple juice samples ranged from 79.9% to 87.9%. Limit of detection (LOD) and quantification (LOQ) were 0.4 and 13 mu g/L, respectively. Relative standard deviations were lower than 9.5%. The developed method has been successfully applied to the analysis of patulin in apple juice samples. (C) 2013 Elsevier Ltd. All rights reserved.
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