Problems connected with ethylene dibromide fumigation of cereals. I.sorption of ethylene dibromide by grain

Ziegelhoeffer A.; De Jong J.W.; Ferrari R.; Turi Nagy L.

Journal of the Science of Food and Agriculture 6(10): 592-600


ISSN/ISBN: 0022-5142
DOI: 10.1002/jsfa.2740061007
Accession: 060943296

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In this paper experiments on ethylene dibromide fumigation of different cereal species are described in which the influence of various fumigation conditions on the content of bromine is studied. Two bromine forms were found to be present in fumigated grain: a volatile bromide (unchanged ethylene dibromide), and a non-volatile, water-soluble bromide. Differences in sorption of ethylene dibromide by various cereals seemed to result from differences in seed structures. By airing of fumigated grain free ethylene dibromide is removed gradually, but the content of bound bromine is not markedly changed. Under usual conditions of fumigation of whole grain in silos, the volatile bromide disappears after airing for 6-7 weeks.