Document Detail

Aspergillus flavus and aflatoxin B1 in flour production.
MedLine Citation:
PMID:  7859854     Owner:  NLM     Status:  MEDLINE    
This paper discusses the results of investigations of contamination with aflatoxin-producing fungi and aflatoxin B1 affecting 545 samples of wheat grains, 475 samples of intermediate products of wheat grain being milled to flour (like middlings) and 238 samples of flour. A significant contamination with moulds was detected in analyzed samples. Although Aspergillus (34.87%) and Penicillium (32.37%) dominated, other types were also present, e.g., Cladosporium, Fusarium, Mucor, Alternaria, Rhizopus, Absidia and Trichoderma (listed in order of frequency). The presence of Aspergillus flavus, the known aflatoxin producer, was detected in 9.94% of analyzed samples. Isolates of A. Flavus were capable of producing aflatoxin B1 under favourable conditions. Aflatoxin B1 was found in 76.8% of samples contaminated with A. flavus. The highest contamination with aflatoxin B1 was detected in wheat grain samples (mean value of 16.3 micrograms/kg) and in intermediate products of wheat grain being milled to flour (mean value of 11.13 micrograms/kg). Contamination was lower in flour samples (mean value of 4.13 micrograms/kg). With regard to proposed standards given by the FAO and WHO, under which the content of aflatoxin should not exceed 30 micrograms/kg in food products, only two of 96 samples did not meet these criteria.
M Halt
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  European journal of epidemiology     Volume:  10     ISSN:  0393-2990     ISO Abbreviation:  Eur. J. Epidemiol.     Publication Date:  1994 Oct 
Date Detail:
Created Date:  1995-03-23     Completed Date:  1995-03-23     Revised Date:  2000-12-18    
Medline Journal Info:
Nlm Unique ID:  8508062     Medline TA:  Eur J Epidemiol     Country:  NETHERLANDS    
Other Details:
Languages:  eng     Pagination:  555-8     Citation Subset:  IM    
Faculty of Food Technology, Osijek, Croatia.
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MeSH Terms
Aflatoxin B1 / analysis*
Aspergillus flavus / isolation & purification*
Flour / analysis*,  microbiology*,  standards
Food Contamination / analysis*
Food Microbiology*
Reg. No./Substance:
1162-65-8/Aflatoxin B1

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