Document Detail

Mycological survey of selected health foods.
MedLine Citation:
PMID:  453829     Owner:  NLM     Status:  MEDLINE    
A survey was conducted to compare the total viable fungal content and the number of different mold species encountered in 10 types of health foods labeled organically grown and in the same foods without such a label. The foods were wheat flour, corn meal, brown rice, figs, split peas, pinto beans, soybeans, walnuts, pecans, and peanuts. Results showed no consistent difference in either the total viable fungal content or the number of different mold species encountered between the labeled and unlabeled foods. Two genera of yeasts (Rhodotorula and Saccharomyces) and 22 gener of molds, including more than 65 species, were encountered. The mold flora was dominated by Aspergillus glaucus, Aspergillus niger, Aspergillus flavus, Aspergillus candidus, Penicillium cyclopium, and Penicillium viridicatum. Isolates of the genera Alternaria, Cladosporium, Fusarium, and Helminthosporium also occurred in certain foods. At least 10 toxicogenic species of Aspergillus and Penicillium were encountered. A total of 87 cultures of these species, all isolated from health foods, were screened for laboratory production of their respective toxins. Toxin production potential of these 87 cultures did not differ from that of cultures of the same species isolated from conventional foods.
P B Mislivec; V R Bruce; W H Andrews
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Applied and environmental microbiology     Volume:  37     ISSN:  0099-2240     ISO Abbreviation:  Appl. Environ. Microbiol.     Publication Date:  1979 Mar 
Date Detail:
Created Date:  1979-08-16     Completed Date:  1979-08-16     Revised Date:  2009-11-18    
Medline Journal Info:
Nlm Unique ID:  7605801     Medline TA:  Appl Environ Microbiol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  567-71     Citation Subset:  IM    
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MeSH Terms
Aspergillus / isolation & purification,  metabolism
Food Microbiology*
Fungi / isolation & purification*
Mycotoxins / biosynthesis
Penicillium / isolation & purification,  metabolism
Species Specificity
Reg. No./Substance:

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