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  • Title: Plant protection product residues in red grapes and Teran PTP wine.
    Author: Baša Česnik H, Velikonja Bolta Š, Lisjak K.
    Journal: Food Addit Contam Part B Surveill; 2015; 8(2):113-22. PubMed ID: 25559701.
    Abstract:
    Between 2011 and 2013, a total of 73 grape and 82 wine samples from winegrowing district Kras (Karst) were analysed for plant protection product (PPP) residues. The samples were analysed for the presence of 215 different active compounds using two multiresidual analytical methods: gas chromatography coupled with mass spectrometry and liquid chromatography coupled with tandem mass spectrometry. Residues were found in 91.8% of all grape samples and in 67.1% of all wine samples. In all grape samples, residues were below maximum residue levels (MRLs) and 58.9% of all grape samples contained active substances at a level of less then 10% of the MRL. Nearly 33% of all Teran PTP wines did not contain PPP residues at all. Residues diminish during processing of grapes to wine, so their content in wine was low. Therefore, it could be concluded that grapes and wine in the winegrowing district Kras are safe for consumers.
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