Results 151 to 160 of about 88,457 (186)

Immunochemical detection of masked mycotoxins: A short review

World Mycotoxin Journal, 2012
Mycotoxin derivatives that escape conventional analytical detection of parent (free) forms because their structure has been changed are designated masked mycotoxins. Masking phenomena are due to a defensive response of the host plant or can occur during food processing.
I.Y. Goryacheva, S. De Saeger
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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.
Stoycho Stoev
exaly   +4 more sources

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

Zoonoses and Public Health, 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, J, Bauer, J, Thiem, G, Plank, S, Grabley, B, Gedek   +5 more
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Special issue: Masked mycotoxins

World Mycotoxin Journal, 2012
In 1990, Gareis et al. referred to a zearalenone-glycoside as a ‘masked mycotoxin’ to emphasise the fact that this mycotoxin conjugate was not detected by routine analysis of food or feed, but probably contributed to the total mycotoxin content and subsequent effects.
Sarah De Saeger, Hans van Egmond
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Formation, determination and significance of masked and other conjugated mycotoxins

Analytical and Bioanalytical Chemistry, 2009
Mycotoxins are secondary metabolites of fungi poisonous for humans or animals which can be found on a great variety of food and feed commodities. Food is not necessarily safe just because the presence of well-known mycotoxins has been ruled out, as they might still be there in disguise.
Franz, Berthiller, Rainer, Schuhmacher, Gerhard, Adam, Rudolf, Krska   +3 more
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Chapter 1. Introduction to Masked Mycotoxins

2015
Mycotoxins are toxic, secondary metabolites of moulds. They are produced by filamentous fungi on almost every agricultural commodity worldwide. After the infection of crop plants, mycotoxins are modified by plant enzymes and often conjugated to more polar substances, like sugars.
Berthiller F., Maragos C. M., Dall'Asta C.   +2 more
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Masked Mycotoxins and Mycotoxin Derivatives in Food: The Hidden Menace

2009
Conjugated or masked mycotoxins first came to attention in the mid-1980s, mainly from clinical observations on animals affected by mycotoxicoses fed with apparently low-level mycotoxin-contaminated feed. The unexpected toxicity was attributed to the presence of conjugated forms of mycotoxins, possibly generated by the plant metabolism, which were ...
Chiara Dall’Asta, Gianni Galaverna, Arnaldo Dossena, Stefano Sforza, Rosangela Marchelli   +4 more
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Masked mycotoxins [PDF]

, 2016
Mikotoksini su sekundarni produkti metabolizma plijesni koji djeluju toksično na ljude i životinje, ali isto tako i na samu biljku koja je inficirana plijesnima. Biljke su razvile obrambeni mehanizam protiv infekcije plijesnima na način da modificiraju kemijsku strukturu mikotoksina te dolazi do konjugacije mikotoksina s drugim staničnim komponentama ...
Šarkanj, Bojan, Klapec, Tomislav
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Unveiling the mask of the unregulated and masked mycotoxins in Croatian cereals

9th International Congress Flour-Bread 17 ; 11th Croatian Congress of Cereal Technologists Brašno-Kruh 17 : Book of abstracts, 2017
There is not enough data on the occurrence of unregulated and/or masked mycotoxins in Croatia, and one of the aims of the CroMycoScreen project was to properly screen their presence. In the 200 samples of cereals form all Croatian counties, there were 128 different mycotoxins, bacterial toxins, and plant metabolites detected, and so far only a few of ...
Šarkanj, Bojan, Brodar, Lidija, Klapec, Tomislav   +2 more
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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, Wolfgang, Schweiger, Christian, Hametner, Romana, Stückler, Gary J, Muehlbauer, Elisabeth, Varga, Rudolf, Krska, Franz, Berthiller, Gerhard, Adam   +8 more
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