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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
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Masked mycotoxins: An emerging issue that makes renegotiable what is ordinary

Food Chemistry, 2016
The masked mycotoxins issue is of increasing relevance in the field of food safety. Although under discussion, regulations are still to be set due to the lack of proper toxicological data. In this communication, we discuss the unmet needs to support regulatory bodies in the decision making on this class of compounds.
Dellafiora L., Dall'asta, C.
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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
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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
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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
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Masked and New Mycotoxins

2022
Karuna Singh, Ankita Kumari
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Chapter 7. Animal Models for Masked Mycotoxin Studies

2015
Masked mycotoxins, formed in plants after infection with toxigenic fungi, are frequent contaminants of food and feed. They pose a risk to human and animal health either by exerting biological activity on their own or by liberation of their respective parent toxin during digestion.
Veronika Nagl, Franz Berthiller
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Masked mycotoxins: occurrence, metabolism and role in planta

2013
This work is focused on the study of Fusarium masked mycotoxins, secondary metabolites produced by plants via conjugation mechanisms of the parent mycotoxins. A special focus was devoted to DON-3-glucoside and ZEN-14-glucoside, the main derivatives of DON and ZEN in grains.
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Chapter 3. Immunologically-based Methods for Detecting Masked Mycotoxins

2015
Masked mycotoxins are plant metabolites of known mycotoxins. Immunoassays can be developed with either broad cross-reaction to mycotoxin congeners or with high selectivity for a particular toxin. The result is that certain assays are able to detect masked mycotoxins along with the free (or ‘parent’) form, while others do not.
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