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Food Chem. 2018 Apr 25;246:394-403. doi: 10.1016/j.foodchem.2017.10.133. Epub 2017 Nov 1.

Differences in the levels of pesticides, metals, sulphites and ochratoxin A between organically and conventionally produced wines.

Author information

1
University of Zagreb, Faculty of Pharmacy and Biochemistry, A. Kovačića 1, 10000 Zagreb, Croatia. Electronic address: dvitali@pharma.hr.
2
Croatian Centre for Agriculture, Food and Rural Affairs, Svetošimunska Cesta 25, 10000 Zagreb, Croatia.
3
Institute for Medical Research and Occupational Health, Ksaverska Cesta 2, 10000 Zagreb, Croatia.
4
Andrija Štampar Teaching Institute of Public Health, Mirogojska 16, 10000 Zagreb, Croatia.
5
University of Zagreb, Faculty of Pharmacy and Biochemistry, A. Kovačića 1, 10000 Zagreb, Croatia.
6
University of Zagreb, Faculty of Agriculture, Svetošimunska Cesta 25, 10000 Zagreb, Croatia.

Abstract

Organic products are generally recognized to be healthier and safer than conventional products. However, the actual scientific data regarding the importance of organic production on particular contaminant/additive content of wines is scarce. This study aimed to evaluate contents of pesticides, metals, sulphites and ochratoxin A in organically (org) and conventionally (conv) produced wines from eleven locations in different winegrowing regions of Croatia. All wines contained significantly lower levels of residues as compared to the maximum limits (MLs) with the exception of excessive amounts of Cu and Zn in one sample. Pb and Mg were mainly significantly less represented in org wines. There were no significant differences in the content of sulphite or ochratoxin A between org and conv wines. Significantly lower total pesticide concentrations and average number of pesticides per sample were obtained in org wines. The majority of ochratoxin A positive wines were from conv wine producers.

KEYWORDS:

Conventional wines; Metals; Ochratoxin A; Organic wines; Pesticides; Sulphites

PMID:
29291864
DOI:
10.1016/j.foodchem.2017.10.133
[Indexed for MEDLINE]

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