Document Detail

Distribution of fumonisins and aflatoxins in corn fractions during industrial cornflake processing.
MedLine Citation:
PMID:  18261815     Owner:  NLM     Status:  MEDLINE    
The aim of this study was to investigate the distribution of fumonisins (B(1) B(2,) and B(3)) and total aflatoxins (B(1), B(2), G(1), and G(2)) in various corn processed fractions. 92 batches of whole corn and derived dry-milled fractions (animal feed flour, flaking grits, corn flour and corn meal) and cooked and roasted cornflakes fractions were industrially obtained. Samples were analyzed for both groups of mycotoxins by enzyme-linked immunosorbent assay (ELISA). Dry milling of corn led to a heterogeneous distribution of the two groups of mycotoxins in the different parts of the grain, with increased levels in fractions processed from outer layers (animal feed flour and corn flour) and decreased levels in fractions processed from inner portions, such as corn meal and flaking grits. Levels of fumonisins in cornflakes were lower than 400 microg/kg, the maximum tolerable limit set by the EU. By contrast, three samples of final product were found to exceed the aflatoxin maximum tolerable limit of 4 microg/kg. Animal feed flour showed concentration factors of 317 and 288% for fumonisins and aflatoxins, respectively. Food traceability system was used by the industrial companies which processed corn into breakfast cereals. Nevertheless, even though the use of food traceability, which is defined as the ability to trace any food, feed, food-producing animal or substance that will be used for consumption through all stages of production, processing and distribution, only initial fumonisin contamination of whole corn and contamination of animal feed flour and corn flour were found to be correlated.
Miren Castells; Sonia Marín; Vicente Sanchis; Antonio J Ramos
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2007-12-23
Journal Detail:
Title:  International journal of food microbiology     Volume:  123     ISSN:  0168-1605     ISO Abbreviation:  Int. J. Food Microbiol.     Publication Date:  2008 Mar 
Date Detail:
Created Date:  2008-03-10     Completed Date:  2008-07-03     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8412849     Medline TA:  Int J Food Microbiol     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  81-7     Citation Subset:  IM    
Food Technology Department, Lleida University, XaRTA, Rovira Roure 191, 25198 Lleida, Spain.
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MeSH Terms
Aflatoxins / analysis*
Animal Feed / analysis
Consumer Product Safety
Enzyme-Linked Immunosorbent Assay
Food Contamination / analysis*
Food Handling / methods*
Food-Processing Industry*
Fumonisins / analysis*
Zea mays / chemistry*
Reg. No./Substance:
0/Aflatoxins; 0/Fumonisins

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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