Abstract：
:A multiresidue method based on the sample preparation by modified QuEChERS and detection by gas chromatography coupled to single quadruple mass spectrometers (GC-SQ/MS) was used for the analysis of 35 multiclass pesticides in melons (Cucumis melo inodorus) produced in Ceara-Brazil. The rates of recovery for pesticides studied were satisfactory (except for the etridiazole), ranging from 85% to 117% with a relative standard deviation (RSD) of less than 15%, at concentrations between 0.05 and 0.20 mg kg(-1). The limit of quantification (LOQ) for most compounds was below the MRLs established in Brazil. The combined relative uncertainty (Uc) and expanded uncertainty (Ue) was determined using repeatability, recovery and calibration curves data for each pesticide. Analysis of commercial melons samples revealed the presence of pesticides bifenthrin and imazalil at levels below the MRLs established by ANVISA, EU and USEPA.
journal_name
Food Chemjournal_title
Food chemistryauthors
da Silva Sousa J,de Castro RC,de Albuquerque Andrade G,Lima CG,Lima LK,Milhome MA,do Nascimento RFdoi
10.1016/j.foodchem.2013.05.027subject
Has Abstractpub_date
2013-12-01 00:00:00pages
2675-81issue
3eissn
0308-8146issn
1873-7072pii
S0308-8146(13)00610-9journal_volume
141pub_type
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