The effect of electron irradiation on aflatoxin B1 in pistachio production process inoculated with Aspergillus flavus
Message:
Abstract:
Introduction
Pistachio is an important export product in some countries, especially Iran. Pistachios are with the highest risk of aflatoxin contamination between agricultural products. Aflatoxin B1 is the most potent carcinogenic aflatoxins. Aflatoxins have an important role in the etiology of cancer. Undoubtedly, the major problem is, Aspergillus flavus contamination Aflatoxin production and find suitable ways to prevent its production. The aim of this study was to determine the effect of electron irradiation on aflatoxin B1 production in pistachio that was inoculated with Aspergillus flavus.
Methods
Experimental study was performed. Sixty10 pistachios packed was inoculated with aflatoxigenic Aspergillus flavus spores (106 spores/ml). Contaminated samples were exposed to the electron beam radiations at doses of 1, 3, 5 and 7 kGy. The samples were stored at a room temperature for 0, 30, 60, 90, 180, 210 days and were compared with the control samples for the aflatoxin production by Kruskal Wallis test using SPSS version 16. Aflatoxin B1 was measured by ELISA kit. The test was duplicated for each samples.
Results
The mean concentration of aflatoxin in the samples was 59.97 ng/g. There was no difference among the production of aflatoxin in different doses on days 0,30, 60, 90 (p
Conclusion
Exposure of the pistachio samples by electron beam could inhibit the growth and alsoprevent aflatoxin production.
Language:
Persian
Published:
Tolooe Behdasht, Volume:16 Issue:2, 2017
Pages:
1 - 8
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