Survey of Ochratoxin A in Freshly Harvested Durum and Hard Red Spring Wheat in the United States, 2011 and 2012

Ochratoxin A (OTA) is a toxin produced by some Penicillium and Aspergillus species around the world in a variety of food and feed, especially cereal grains, before harvest but primarily during storage. Durum and hard red spring (HRS) wheat samples were collected right after harvest as part of the U....

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Bibliographic Details
Published in:Journal of food protection 2014-06, Vol.77 (6), p.1005-1009
Main Authors: KURUC, Julie A, MANTHEY, Frank, SIMSEK, Senay, WOLF-HALL, Charlene
Format: Article
Language:English
Subjects:
Biological and medical sciences
Cereals
Chromatography
Chromatography, High Pressure Liquid - methods
Commodities
Food
Food contamination & poisoning
Food Contamination - analysis
Food Contamination - statistics & numerical data
Food industries
Food quality
Food safety
Fundamental and applied biological sciences. Psychology
Grain
Harvesting
Liquid chromatography
Mycotoxins - analysis
Ochratoxin A
Ochratoxins - analysis
Plastics
Seasons
Spring wheat
Toxins
Triticum - chemistry
Triticum - growth & development
United States
Wheat
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Summary:Ochratoxin A (OTA) is a toxin produced by some Penicillium and Aspergillus species around the world in a variety of food and feed, especially cereal grains, before harvest but primarily during storage. Durum and hard red spring (HRS) wheat samples were collected right after harvest as part of the U. S. regional crop quality survey in both 2011 (n = 560) and 2012 (n = 654) from the upper Great Plains. All samples were analyzed for OTA contamination using high-performance liquid chromatography with fluorescence detection. Overall, 2.1% of the samples were positive for OTA. In 2011, OTA was detected in 1.0% of the durum wheat samples but was not found in HRS wheat. In 2012, 8.3 and 1.4% of the durum and HRS wheat samples, respectively, were positive for OTA. Of the 25 samples that had detectable OTA, 3 samples (12%), all of which were durum wheat, had OTA that exceeded 5 ng/g.
ISSN:0362-028X
1944-9097
DOI:10.4315/0362-028X.JFP-13-496