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The production of cyclopiazonic acid by Penicillium commune and cyclopiazonic acid and aflatoxins by Aspergillus flavus as affected by water activity and temperature on maize grains.
MedLine Citation:
PMID:  20882459     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
The combined effects of water activity (a(w)) and temperature on mycotoxin production by Penicilium commune (cyclopiazonic acid - CPA) and Aspergillus flavus (CPA and aflatoxins - AF) were studied on maize over a 14-day period using a statistical experimental design. Analysis of variance showed a highly significant interaction (P ≤ 0.001) between these factors and mycotoxin production. The minimum a(w)/temperature for CPA production (2264 ng g(-1) P. commune, 709 ng g(-1) A. flavus) was 0.90 a(w)/30 °C while greatest production (7678 ng g(-1) P. commune, 1876 ng g(-1) A. flavus) was produced at 0.98 a(w)/20 °C. Least AF (411 ng g(-1)) was produced at 0.90 a(w)/20 °C and most (3096 ng g(-1)) at 0.98 a(w)/30 °C.
Authors:
N Gqaleni; J E Smith; J Lacey; G Gettinby
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Mycopathologia     Volume:  136     ISSN:  0301-486X     ISO Abbreviation:  Mycopathologia     Publication Date:  1996 Nov 
Date Detail:
Created Date:  2010-09-30     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7505689     Medline TA:  Mycopathologia     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  103-8     Citation Subset:  -    
Affiliation:
Department of Bioscience and Biotechnology, University of Strathclyde, 204 George Street, G1 1XW, Glasgow.
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