A contribution to reduce sampling variability in the evaluation of deoxynivalenol contamination of organic wheat grain
作者： Arnaud Hallier , Florian Celette , Julie Coutarel , Christophe David
DOI: 10.1080/19440049.2013.853227
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摘要: Fusarium head blight caused by different varieties of species is one the major serious worldwide diseases found in wheat production. It therefore important to be able quantify deoxynivalenol concentration wheat. Unfortunately, mycotoxin quantification, due uneven distribution mycotoxins within initial lot, it difficult, or even impossible, obtain a truly representative analytical sample. In previous work we showed that sampling step most responsible for variability was grain sampling. this paper, more particularly scaling down from laboratory sample some kilograms an few grams investigated. The naturally contaminated lot obtained organic field located southeast France (Rhone-Alpes) year 2008–2009 cropping season. level 50.6 ± 2.3 ng g–1. Deoxynivalenol extracted with acetonitrile–water mix and quantified gas chromatogr...
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