Document Detail

Aflatoxin determination in commonly consumed foods in Tunisia.
MedLine Citation:
PMID:  20812375     Owner:  NLM     Status:  In-Process    
BACKGROUND: To investigate natural aflatoxin occurrence, a total of 180 samples of different foods widely consumed in Tunisia were analysed by an in-house-validated high-performance liquid chromatography method including affinity column clean-up and post-column bromination techniques.
RESULTS: The method used appeared to be rapid, selective and reproducible, and its performances were established. Detection limits were 0.05 ng g(-1) for aflatoxin B1 and 0.025 ng g(-1) for aflatoxins B2, G1 and G2. Aflatoxins were detected in all investigated commodities except rice, with an overall contamination frequency of 34.4% and concentrations ranging from 0.1 to 40.6 ng g(-1). Aflatoxin B1 was found in all contaminated samples. Sorghum, spices and nuts were most contaminated.
CONCLUSION: This study has provided an effective analytical method for the reliable determination of aflatoxins in food samples. Over one-third of the samples investigated were contaminated with aflatoxins. Sorghum, spices and nuts were most contaminated, whereas rice showed no contamination.
Ridha Ghali; Karima H Khlifa; Hayat Ghorbel; Khira Maaroufi; Abderrazak Hedilli
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of the science of food and agriculture     Volume:  90     ISSN:  1097-0010     ISO Abbreviation:  J. Sci. Food Agric.     Publication Date:  2010 Nov 
Date Detail:
Created Date:  2010-10-18     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0376334     Medline TA:  J Sci Food Agric     Country:  England    
Other Details:
Languages:  eng     Pagination:  2347-51     Citation Subset:  IM    
Copyright Information:
2010 Society of Chemical Industry
Laboratory of Biology and Toxicology, Centre of Urgent Medical Aid of Tunis, Montfleury, 1008 Tunis, Tunisia.
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