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Hyphenated chromatographic techniques for structural characterization and determination of masked mycotoxins

Journal of Chromatography A, 2012
Mycotoxins are secondary metabolites produced by fungi that can contaminate a wide range of food and feed commodities and that are harmful to humans for their poisonous and toxic effects. An increasing amount of data have been accumulated in the last years, showing that mycotoxins may also occur in modified forms originating by plant, fungi or animal ...
CIRLINI, Martina   +2 more
openaire   +3 more sources

Cleavage of Zearalenone‐Glycoside, a “Masked” Mycotoxin, during Digestion in Swine

Journal of Veterinary Medicine, Series B, 1990
SummaryComparative analyses of cereal samples pretreated with or without β‐glucosidase indicate the presence of zearalenone‐glycoside. To examine the stability of zearalenone‐glycoside during digestion, mixed feed was artificially contaminated with synthesized zearalenone‐4‐β‐D‐glucopyranoside (395 μg/kg) and fed to a pig over a period of 14 days.
M, Gareis   +5 more
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Chapter 2. Natural Occurrence of Masked Mycotoxins

2015
This chapter describes recent knowledge of the occurrence of the major masked mycotoxins, principally those derived from deoxynivalenol, zearalenone and fumonisin. The occurrence of several minor masked mycotoxins is described and summaries of quantitative data from some large-scale surveys are provided.
Colin Crews, Susan Jane MacDonald
openaire   +1 more source

Zearalenone-16-O-glucoside: A New Masked Mycotoxin

Journal of Agricultural and Food Chemistry, 2014
This paper reports the identification of a barley UDP-glucosyltransferase, HvUGT14077, which is able to convert the estrogenic Fusarium mycotoxin zearalenone into a near-equimolar mixture of the known masked mycotoxin zearalenone-14-O-β-glucoside and a new glucose conjugate, zearalenone-16-O-β-glucoside. Biocatalytical production using engineered yeast
Maria Paula, Kovalsky Paris   +8 more
openaire   +2 more sources

Masked Mycotoxins Are Efficiently Hydrolyzed by Human Colonic Microbiota Releasing Their Aglycones

Chemical Research in Toxicology, 2013
Fusarium mycotoxins are secondary metabolites produced by Fusarium spp. in cereals. Among them, deoxynivalenol (DON) and zearalenone (ZEN) are widespread worldwide contaminants of cereal commodities and are ranked as the most important chronic dietary risk factors.
A. Dall’Erta   +5 more
openaire   +4 more sources

Foodborne mycotoxicoses, risk assessment and underestimated hazard of masked mycotoxins and joint mycotoxin effects or interaction

Environmental Toxicology and Pharmacology, 2015
The existing hazard of joint mycotoxin exposure of animals/humans and the significance of masked mycotoxins in foods or feeds and their respective contributions to the development of some food born mycotoxicoses is briefly reviewed. The importance of joint mycotoxin interaction in the complex etiology of some foodborn mycotoxicoses is covered in depth.
openaire   +3 more sources

A systematic review of plant-conjugated masked mycotoxins: Occurrence, toxicology, and metabolism

Critical Reviews in Food Science and Nutrition, 2019
Masked mycotoxins are biologically modified phase II metabolites formed by plant defense mechanisms through glucosylation catalyzed by uridine diphosphate -glucosyltransferases. Most of the current reports focus on the occurrence of masked mycotoxins in Europe, America, Africa, and cover other geographic regions, e.g. China and Japan.
Zhiqi Zhang   +7 more
openaire   +2 more sources

Natural occurrence of mycotoxins and their masked forms in food and feed products

World Mycotoxin Journal, 2012
A total of 174 cereal-based food products, 67 compound feeds and 19 feed raw materials were analysed for the occurrence of deoxynivalenol, 3-acetyldeoxynivalenol, 15-acetyldeoxynivalenol, zearalenone, α-zearalenol, β-zearalenol, and their respective masked forms, including deoxynivalenol-3-glucoside, zearalenone-4-glucoside, α-zearalenol-4-glucoside, β-
M. De Boevre   +7 more
openaire   +1 more source

Masked and New Mycotoxins

2022
Karuna Singh, Ankita Kumari
openaire   +1 more source

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