Aflatoxin B sub(1) production by Aspergillus parasiticus and strains of Aspergillus section Nigri in currants of Greek origin

Aflatoxin B sub(1) (AFB sub(1)) mostly produced by Aspergillus flavus and Aspergillus parasiticus, is an extremely toxic and carcinogenic metabolite. Currants are used in the Mediterranean diet as a food with antioxidant properties. Four strains of Aspergillus section Nigri have been isolated from c...

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Veröffentlicht in:Food control 2014-09, Vol.43, p.121-128
Hauptverfasser: Kostarelou, Paraskevi, Kanapitsas, Alexandros, Pyrri, Ioanna, Kapsanaki-Gotsi, Evangelia, Markaki, Panagiota
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container_issue
container_start_page 121
container_title Food control
container_volume 43
creator Kostarelou, Paraskevi
Kanapitsas, Alexandros
Pyrri, Ioanna
Kapsanaki-Gotsi, Evangelia
Markaki, Panagiota
description Aflatoxin B sub(1) (AFB sub(1)) mostly produced by Aspergillus flavus and Aspergillus parasiticus, is an extremely toxic and carcinogenic metabolite. Currants are used in the Mediterranean diet as a food with antioxidant properties. Four strains of Aspergillus section Nigri have been isolated from currants originated from Crete and Corinth. In this study AFB sub(1) production by A. parasiticus and the four strains of Aspergillus section Nigri in Cretan and Corinthian currants (Vitis vinifera L.) is investigated. AFB sub(1) determination was performed by HPLC-FID. Results revealed that the four strains Aspergillus section Nigri, as well as the aflatoxigenic strain A. parasiticus produced AFB sub(1) (0.0052-1.31 mu g AFB sub(1) 15 g super(-1), corresponding to 0.0003-0.087 mu g AFB sub(1) g super(-1)) in both type of currants (Cretan and Corinthian) on the 12th day of observation. Moreover, AFB sub(1) production, by A. parasiticus in the synthetic Yeast Extract Sucrose (YES) medium was also studied. The ability of AFB sub(1) production has been affected by the special characteristics of each isolate and the currants substrate.
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subjects Aspergillus flavus
Aspergillus parasiticus
Vitis vinifera
title Aflatoxin B sub(1) production by Aspergillus parasiticus and strains of Aspergillus section Nigri in currants of Greek origin
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