Volume 7, Issue 24 (2010)
FSCT 2010, 7(24): 81-88 |
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The ability of Saccharomyces Cerevisiae strain in Aflatoxin reduction in Pistachio nuts. FSCT 2010; 7 (24) :81-88
URL: http://fsct.modares.ac.ir/article-7-11526-en.html
URL: http://fsct.modares.ac.ir/article-7-11526-en.html
Abstract: (9349 Views)
In this study, binding ability of Saccharomayces cerevisiae to aflatoxin of pistachio was investigated. Results indicate that the yeast has aflatoxin surface binding ability of 40% (with initial concentration of 10 ppb aflatoxin) in exponential phase. Acid and heat treatment increase this ability 60% and 55%, respectively. Binding appears to be a physical phenomenon that reaches to saturation point within first 2-3 hours of process. Also, results showed that yeast immobilization on aflatoxin contaminated pistachio in order to toxin reduction, have no effect on color factor. In this condition, Hunter Lab factors (L*, a*, b*) indicate no significant changes. Yeast cells, viable or nonviable, are effective in aflatoxin binding and this property, especially for foods having high risk of aflatoxin contamination is considered as a good solution.
Received: 2008/10/31 | Accepted: 2008/12/30 | Published: 2012/06/30
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