Determination of patulin in apple and derived products by UHPLC-MS/MS. Study of matrix effects with atmospheric pressure ionisation sources.
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Other documents of the author: Beltrán Iturat, Eduardo; Ibáñez, Maria; Sancho, Juan V; Hernandez, Felix
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comunitat-uji-handle2:10234/33596
comunitat-uji-handle3:10234/33597
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Title
Determination of patulin in apple and derived products by UHPLC-MS/MS. Study of matrix effects with atmospheric pressure ionisation sources.Date
2014Publisher
ElsevierISSN
0308-8146Type
info:eu-repo/semantics/articleVersion
info:eu-repo/semantics/submittedVersionAbstract
Sensitive and reliable analytical methodology has been developed for the measurement of patulin in regulated foodstuffs by using ultra-high-performance liquid chromatography coupled to tandem mass spectrometry (UHPL ... [+]
Sensitive and reliable analytical methodology has been developed for the measurement of patulin in regulated foodstuffs by using ultra-high-performance liquid chromatography coupled to tandem mass spectrometry (UHPLC–MS/MS) with triple quadrupole analyser. Solid samples were extracted with ethyl acetate, while liquid samples were directly injected into the chromatographic system after dilution and filtration without any clean-up step. Chromatographic separation was achieved in less than 4 min. Electrospray (ESI) and atmospheric pressure chemical ionisation (APCI) sources were evaluated, in order to assess matrix effects. The use of ESI source caused strong signal suppression in samples; however, matrix effect was negligible using APCI, allowing quantification with calibration standards prepared in solvent. The method was validated in four different apple matrices (juice, fruit, puree and compote) at two concentrations at the low μg kg−1 level. Average recoveries (n = 5) ranged from 71% to 108%, with RSDs lower than 14% [-]
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Food chemistry, 2014, vol. 142Rights
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info:eu-repo/semantics/openAccess
info:eu-repo/semantics/openAccess
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