Co-occurrence of mycotoxins in Spanish barley: A statistical overview
Keywords: 
Mycotoxins
Barley
Statistical study
Factor analysis
Issue Date: 
2012
Publisher: 
Elsevier
ISSN: 
0956-7135
Citation: 
Ibáñez-Vea M, González-Peñas E, Lizarraga E, López de Cerain A. Co-occurrence of mycotoxins in Spanish barley: A statistical overview. Food Control 2012 12;28(2):295-298
Abstract
In this paper, a statistical overview of the simultaneous presence of 14 mycotoxins in Spanish barley is presented. The co-occurrence of more than two mycotoxins has been observed in 95% of the samples. From a descriptive standpoint, the results show that the most common combinations were AFB1, OTA and DON (29%), and AFB1, OTA, DON and ZEA (26%), although other combinations could also occur. However, the statistical study determined that other associations had a higher impact or importance. Four factors or combinations of variables could explain the 63% of variability found for the samples. These factors were the associations of: type-B trichothecenes and DAS; type-A trichothecenes and NIV; AFB1, AFG1 and ZEA; and AFB2 and AFG2. The toxin-producing fungi and environmental conditions have been essential in explaining the associations between the toxins.

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