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  • Mycotoxins comprise a group of chemically diverse compounds originating from secondary metabolism of filamentous fungi, moulds. T-2 and HT-2 toxins are type A trichothecene mycotoxins, which are closely-related epoxy sesquiterpenoids produced primarily by Fusarium poae, F. sporotrichioides, F. langsethiae and other Fusarium spp. T-2 and HT-2 toxins contaminate mainly grains such as oat, barley, wheat and maize as well as in their by-products. HT-2 toxin is a major metabolite of T-2 toxin and they often occur together in infected cereals. The current results suggest that in general HT-2 toxin represents approximately 2/3 of the sum of T-2 toxin and HT-2 toxin. T-2 toxin is animal body rapidly metabolised by at least five biotransformation pathways including hydrolysis, hydroxylation, de-epoxidation, glucuronidation and acetylation, resulting in a large number of different metabolites. T-2 toxin and metabolites are rapidly distributed to several tissues and rapidly excreted without any accumulation. Thus any significant human exposure to these toxins from consumption of animal products is unlikely.
  • Mycotoxins comprise a group of chemically diverse compounds originating from secondary metabolism of filamentous fungi, moulds. T-2 and HT-2 toxins are type A trichothecene mycotoxins, which are closely-related epoxy sesquiterpenoids produced primarily by Fusarium poae, F. sporotrichioides, F. langsethiae and other Fusarium spp. T-2 and HT-2 toxins contaminate mainly grains such as oat, barley, wheat and maize as well as in their by-products. HT-2 toxin is a major metabolite of T-2 toxin and they often occur together in infected cereals. The current results suggest that in general HT-2 toxin represents approximately 2/3 of the sum of T-2 toxin and HT-2 toxin. T-2 toxin is animal body rapidly metabolised by at least five biotransformation pathways including hydrolysis, hydroxylation, de-epoxidation, glucuronidation and acetylation, resulting in a large number of different metabolites. T-2 toxin and metabolites are rapidly distributed to several tissues and rapidly excreted without any accumulation. Thus any significant human exposure to these toxins from consumption of animal products is unlikely. (en)
Title
  • The fate of feedborne mycotoxins T-2 and HT-2 toxins in dairy cows - a review
  • The fate of feedborne mycotoxins T-2 and HT-2 toxins in dairy cows - a review (en)
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  • The fate of feedborne mycotoxins T-2 and HT-2 toxins in dairy cows - a review
  • The fate of feedborne mycotoxins T-2 and HT-2 toxins in dairy cows - a review (en)
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  • RIV/26788462:_____/13:#0000660!RIV14-MZE-26788462
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  • RIV/26788462:_____/13:#0000660
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  • T-2 toxin; HT-2 toxin; dairy cow; rumen; absorption; excretion; milk (en)
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  • CZ - Česká republika
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  • 55
http://linked.open...iv/tvurceVysledku
  • Křížová, Ludmila
  • Pavlok, Stanislav
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  • 0139-7265
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