Document Detail


Determination of deoxynivalenol in processed foods.
MedLine Citation:
PMID:  20922957     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Deoxynivalenol (DON), commonly referred to as vomitoxin, belongs to a class of naturally occurring mycotoxins produced by Fusarium fungi. The presence of DON in foods is a human health concern. The frequency of occurrence of DON in wheat is high, although cleaning prior to milling can reduce DON concentration in final products, and food processing can partially degrade the toxin. This paper describes a method for the determination of DON in some major wheat food products, including bread, breakfast cereals, pasta, pretzels, and crackers. Test samples containing 5% polyethylene glycol were extracted with water. After blending and centrifuging, the supernatant was diluted with water and filtered through glass microfiber filter paper. The filtrate was then passed through an immunoaffinity column and the toxins eluted with methanol. The toxins were then subjected to RPLC separation and UV detection. The accuracy and repeatability characteristics of the method were determined. Recoveries of DON spiked at levels from 0.5 to 1.5 microg/g in the five processed foods were >70%. SD and RSD values ranged from 2.0 to 23.5% and from 2.0 to 23.2%, respectively. HorRat values were <2 for all of the matrixes examined. The method was found to be acceptable for the matrixes examined. LC/MS/MS with multiple-reaction monitoring was used to confirm the identity of DON in naturally contaminated test samples.
Authors:
Mary W Trucksess; Lei Bao; Carol M Weaver; Kevin D White
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, Non-P.H.S.; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Journal of AOAC International     Volume:  93     ISSN:  1060-3271     ISO Abbreviation:  J AOAC Int     Publication Date:    2010 Jul-Aug
Date Detail:
Created Date:  2010-10-06     Completed Date:  2010-10-28     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9215446     Medline TA:  J AOAC Int     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1236-42     Citation Subset:  IM    
Affiliation:
U.S. Food and Drug Administration, Center for Food Safety and Applied Nutrition, Division of Bioanalytical Chemistry, College Park, MD 20740, USA. mary.trucksess@fda.hhs.gov
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MeSH Terms
Descriptor/Qualifier:
Chromatography, Liquid
Food Contamination / analysis*
Limit of Detection
Tandem Mass Spectrometry
Trichothecenes / analysis*
Chemical
Reg. No./Substance:
0/Trichothecenes; 51481-10-8/deoxynivalenol

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


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