toxins in tomato products in Northern Italy in the period 2017-2019.

Food Addit Contam Part B Surveill

Department of Sustainable Crop Production - DIPROVES., Faculty of Agriculture, Food and Environmental Science, Università Cattolica del Sacro Cuore, Piacenza, Italy.

Published: September 2021

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Article Abstract

The occurrence of tenuazonic acid (TeA), alternariol, alternariol monomethyl and tentoxin in tomato-based products was surveyed over the years 2017-2019. A total of 120 samples were collected from retail outlets and tomato-based food producers located in Northern Italy. After extraction and purification through prepacked columns, the mycotoxins were analysed using LC-MS/MS. A widespread contamination of TeA was found in tomato-based products, particularly in concentrated tomato paste. Other toxins were not detected. The incidence of TeA was 78.5%, 47.4%, 55.5%, and 76.9% in concentrated tomato paste (maximum value 5955 µg kg), tomato sauce, tomato pulp, and ketchup, respectively. The mean level was 243 ± 725 µg kg in concentrated tomato paste and below 30 µg kg in the other tomato products. The contamination varied from year to year. strains isolated from fresh tomatoes produced mainly TeA. This study provides further toxins occurrence data, useful for future risk assessments.

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http://dx.doi.org/10.1080/19393210.2021.1895325DOI Listing

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