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Effect of gamma radiation on the inactivation of aflatoxin B1 in food and feed crops

Journal Article:

Abstract

Samples of food crops (peanut, peeled pistachio, unpeeled pistachio, rice, and corn) and feed (barley, bran, corn) were autoclave-sterilized, and inoculated with 106 of spore suspension of an isolate of Aspergillus flavus fungus known to produce aflatoxin B1. Food and feed samples were irradiated with gamma radiation at the doses 4, 6, and 10 kGy. Results indicated that degradation of Aflatoxin B1 was positively correlated with the increase in the applied dose of gamma ray for each tested sample. At a dose of 4 KGy percentages of aflatoxin B1 degradation were 8.4, 9.7, 16.6 and 23.5, and 43.97% for peanuts, peeled pistachios, unpeeled pistachios, corn and rice, respectively. Whereas, at a dose of 10 KGy percentages of aflatoxin degradation reached highest values at 58.6, 68.8, 84.6, 81.1 and 87.8% for peanuts, peeled pistachios, unpeeled pistachios, corn and rice, respectively. In feed samples percentages of aflatoxin degradation were 45, 66, and 90% in barley, 47, 75 and 86% in bran and 31, 72 and 84% in corn for the doses of 4, 6 and 10 KGy, respectively, Aflatoxin degradation in food samples correlated negatively with oil content in irradiated samples. Thus, in peanuts, which contained the highest oil content, percentage of  More>>
Authors:
Ghanem, I; Orfi, M; Shamma, M [1] 
  1. Atomic Energy Commission, Damascus (Syrian Arab Republic), Dept. of Molecular Biology and Biotechnology
Publication Date:
Sep 15, 2008
Product Type:
Journal Article
Resource Relation:
Journal Name: Aalam Al-Zarra; Journal Issue: 117; Other Information: Abstract of Scientific Research
Subject:
60 APPLIED LIFE SCIENCES; AFLATOXINS; ANIMAL FEEDS; BIOLOGICAL RADIATION EFFECTS; CROPS; DECOMPOSITION; FOOD; GAMMA RADIATION; IRRADIATION; RADIATION DOSES
OSTI ID:
21100047
Country of Origin:
Syrian Arab Republic
Language:
Arabic
Other Identifying Numbers:
Journal ID: ISSN 1607-985X; TRN: SY0801835110140
Submitting Site:
INIS
Size:
page(s) 63
Announcement Date:
Dec 05, 2008

Journal Article:

Citation Formats

Ghanem, I, Orfi, M, and Shamma, M. Effect of gamma radiation on the inactivation of aflatoxin B1 in food and feed crops. Syrian Arab Republic: N. p., 2008. Web.
Ghanem, I, Orfi, M, & Shamma, M. Effect of gamma radiation on the inactivation of aflatoxin B1 in food and feed crops. Syrian Arab Republic.
Ghanem, I, Orfi, M, and Shamma, M. 2008. "Effect of gamma radiation on the inactivation of aflatoxin B1 in food and feed crops." Syrian Arab Republic.
@misc{etde_21100047,
title = {Effect of gamma radiation on the inactivation of aflatoxin B1 in food and feed crops}
author = {Ghanem, I, Orfi, M, and Shamma, M}
abstractNote = {Samples of food crops (peanut, peeled pistachio, unpeeled pistachio, rice, and corn) and feed (barley, bran, corn) were autoclave-sterilized, and inoculated with 106 of spore suspension of an isolate of Aspergillus flavus fungus known to produce aflatoxin B1. Food and feed samples were irradiated with gamma radiation at the doses 4, 6, and 10 kGy. Results indicated that degradation of Aflatoxin B1 was positively correlated with the increase in the applied dose of gamma ray for each tested sample. At a dose of 4 KGy percentages of aflatoxin B1 degradation were 8.4, 9.7, 16.6 and 23.5, and 43.97% for peanuts, peeled pistachios, unpeeled pistachios, corn and rice, respectively. Whereas, at a dose of 10 KGy percentages of aflatoxin degradation reached highest values at 58.6, 68.8, 84.6, 81.1 and 87.8% for peanuts, peeled pistachios, unpeeled pistachios, corn and rice, respectively. In feed samples percentages of aflatoxin degradation were 45, 66, and 90% in barley, 47, 75 and 86% in bran and 31, 72 and 84% in corn for the doses of 4, 6 and 10 KGy, respectively, Aflatoxin degradation in food samples correlated negatively with oil content in irradiated samples. Thus, in peanuts, which contained the highest oil content, percentage of aflatoxin degradation at 10 KGy was not more than 56.6% whereas, the corresponding value in corn, which contained the highest oil content, reached as high as 80%. The above results indicate the possibility of using gamma radiation as a means of degradation of aflatoxin B1 in food and feed crops to levels lower than the maximum allowed levels.(author)}
journal = {Aalam Al-Zarra}
issue = {117}
place = {Syrian Arab Republic}
year = {2008}
month = {Sep}
}