PMID: 2122255Sep 1, 1990Paper

Mycotoxin formation in HY-320 wheat during granary storage at 15 and 19% moisture content

Mycopathologia
D AbramsonJ T Mills

Abstract

Eleven-kilogram parcels of HY-320 wheat, a cultivar of the new Canada Prairie Spring class, were kept at 15 and 19% initial moisture contents (IMC) in simulated storage in a Manitoba farm granary for 60 weeks to determine biotic and abiotic changes and mycotoxin production. Ochratoxin A reached a maximum of 0.24 ppm by week 20 in the 19% IMC wheat, but was absent in the 15% IMC wheat; no other mycotoxins were detected. Temperature, moisture content, O2 and CO2 levels, fat acidity values, seed germination, microfloral incidence and abundance, and the presence of other mycotoxins were monitored. Principal component analysis of all variables showed that the first principal components accounted for 32-41% of the system variability, and contained the ochratoxin A variable. Ochratoxin A was produced in moist grain that had decreased seed germination and Alternaria activity, and high fungal activity by Penicillium and Aspergillus versicolor. Compared to other stored cereals previously studied, HY-320 wheat would be ranked in a low-risk category for mycotoxin formation, based on the ochratoxin A levels observed.

References

Sep 1, 1990·Food Additives and Contaminants·D AbramsonR N Sinha

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Citations

Jan 30, 2014·Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment·Sheryl A TittlemierColleen Kobialka
Jun 2, 2001·Archives of Physical Medicine and Rehabilitation·T JacobL Epstein
Aug 1, 1992·Archives of Environmental Contamination and Toxicology·D AbramsonM Schuster

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