Document Detail

Ecotoxicological aspects of aspergilli present in the phylloplane of stored leaves of chewing tobacco (Nicotiana tobaccum).
MedLine Citation:
PMID:  2014047     Owner:  NLM     Status:  MEDLINE    
Nine different species of Aspergillus were isolated from the phylloplane of stored chewing tobacco (Nicotiana tobaccum) of different ages. The maximum number of species were isolated from 12 and 18 month old leaves. A. ruber, A. ochraceus, A. flavus and A. nidulans were usually associated with older leaves while A. niger, A. fumigatus and A. flavus were isolated from 6 month old leaves. Approximately 18% of Aspergilli were found to be mycotoxigenic. Sterigmatocystin was produced by three different species. A. ochraceus produced patulin and ochratoxin. All aflatoxigenic strains of A. flavus produced aflatoxin B1 but none of the isolates of A. flavus produced aflatoxin G2. The percentage of toxigenic isolates of different species varied considerably.
S K Varma; R A Verma; A K Jha
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Mycopathologia     Volume:  113     ISSN:  0301-486X     ISO Abbreviation:  Mycopathologia     Publication Date:  1991 Jan 
Date Detail:
Created Date:  1991-05-15     Completed Date:  1991-05-15     Revised Date:  2001-11-28    
Medline Journal Info:
Nlm Unique ID:  7505689     Medline TA:  Mycopathologia     Country:  NETHERLANDS    
Other Details:
Languages:  eng     Pagination:  19-23     Citation Subset:  IM    
Post-graduate Centre of Botany, C.M. Science College, L.N. Mithila University, Bihar, India.
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MeSH Terms
Aflatoxins / biosynthesis
Aspergillus / isolation & purification*,  metabolism
Mycotoxins / biosynthesis*
Ochratoxins / biosynthesis
Patulin / biosynthesis
Plants, Toxic*
Sterigmatocystin / biosynthesis
Time Factors
Tobacco / microbiology*
Reg. No./Substance:
0/Aflatoxins; 0/Mycotoxins; 0/Ochratoxins; 10048-13-2/Sterigmatocystin; 149-29-1/Patulin

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

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