Journal article Open Access

Shelf life improvement of the loaf bread using allyl, phenyl and benzyl isothiocyanates against Aspergillus parasiticus

Federica Saladino a ;Juan ManuelQuiles a; Fernando B.Luciano b; Jordi Mañes a; Mónica Fernández-Franzón a; Giuseppe Meca a


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    <subfield code="u">a     Laboratory of Food Chemistry and Toxicology, Faculty of Pharmacy, University of Valencia, Av. Vicent Andrés Estellés s/n, 46100 Burjassot, Spain  b     School of Agricultural Sciences and Veterinary Medicine, Pontifícia Universidade Católica do Paraná, BR 376 Km 14, 83010-500, São José dos Pinhais, Brazil</subfield>
    <subfield code="a">Federica Saladino a ;Juan ManuelQuiles a; Fernando B.Luciano b; Jordi Mañes a; Mónica Fernández-Franzón a; Giuseppe Meca a</subfield>
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    <subfield code="a">Shelf life improvement of the loaf bread using allyl, phenyl and benzyl isothiocyanates against Aspergillus parasiticus</subfield>
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    <subfield code="a">Integrated and innovative key actions for mycotoxin management in the food and feed chain</subfield>
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    <subfield code="a">&lt;p&gt;Fungal growth inhibition and aflatoxins (AFs) reduction using allyl (AITC), benzyl (BITC) and phenyl (PITC) isothiocyanates were studied in loaf bread contaminated with &lt;em&gt;Aspergillus parasiticus&lt;/em&gt;. Two inoculated loaf bread slices were introduced into a plastic tray together with paper filters or small plastic bags paper filters soaked with AITC, BITC or PITC, the final concentration inside the package was of 0.5, 1 or 5&amp;nbsp;&amp;mu;L/L. The plastic trays, incubated at room temperature, were visual examined for the shelf life evaluation during 8 days. The quantification of the AFs was carried out using liquid chromatography coupled to mass spectrometry (LC-MS/MS). Shelf life increase of three and four days was obtained with small plastic bag paper filter and paper filter soaked with AITC 5&amp;nbsp;&amp;mu;L/L, respectively. These treatments also showed the highest reductions of AFs. All treatments with small plastic bag paper filter significantly reduced the content of AFs at percentages above 60% except the reduction of AFB&lt;sub&gt;1&lt;/sub&gt; in the samples treated with BITC 0.5&amp;nbsp;&amp;mu;L/L and PITC 1&amp;nbsp;&amp;mu;L/L. The AFs reduction observed in the packaging with paper filter were above 60% only using AITC at the concentrations of 1 and 5&amp;nbsp;&amp;mu;L/L.&lt;/p&gt;</subfield>
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