Abstract：
:Sulfonamides are antimicrobial agents widely employed in animal production and their residues in food could be an important risk to human health. In the dairy industry, large quantities of milk are monitored daily for the presence of sulfonamides. A simple and low-cost extraction protocol followed by a liquid chromatographic-tandem mass spectrometry method was developed for the simultaneous detection of nine sulfonamides in whole milk. The method was validated at the maximum residue limits established by European legislation. The limits of quantification obtained for most sulfonamides were between 12.5 and 25 μg kg(-1), detection capabilities ranged from 116 to 145 μg kg(-1), and recoveries, at 100 μg kg(-1), were greater than 89±12.5%. The method was employed to analyse 100 raw whole bovine milk samples collected from dairy farms in the northwest region of Spain. All of the samples were found to be compliant, but two were positive; one for sulfadiazine and the other for sulfamethoxipyridazine.
journal_name
Food Chemjournal_title
Food chemistryauthors
Nebot C,Regal P,Miranda JM,Fente C,Cepeda Adoi
10.1016/j.foodchem.2013.04.099subject
Has Abstractpub_date
2013-12-01 00:00:00pages
2294-9issue
3eissn
0308-8146issn
1873-7072pii
S0308-8146(13)00559-1journal_volume
141pub_type
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