Title: Masked mycotoxins: A review
Authors: BERTHILLER FranzCrews ColinDALL'ASTA ChiaraDE SAEGER SarahHAESAERT GeertKARLOVSKY PetrOSWALD Isabelle PSEEFELDER WalburgaSPEIJERS GerritSTROKA Joerg
Citation: MOLECULAR NUTRITION & FOOD RESEARCH vol. 57 no. 1 p. 165-186
Publisher: WILEY-BLACKWELL
Publication Year: 2013
JRC N°: JRC73980
ISSN: 1613-4125
URI: http://dx.doi.org/10.1002/mnfr.201100764
http://publications.jrc.ec.europa.eu/repository/handle/JRC73980
DOI: 10.1002/mnfr.201100764
Type: Articles in periodicals and books
Abstract: The aim of this review is to give a comprehensive overview of the current knowledge on plant metabolites of mycotoxins, also called masked mycotoxins. Mycotoxins are secondary fungal metabolites, toxic to human and animals. Toxigenic fungi often grow on edible plants, thus contaminating food and feed. Plants, as living organisms, can alter the chemical structure of mycotoxins as part of their defence against xenobiotics. The extractable conjugated or nonextractable bound mycotoxins formed remain present in the plant tissue but are currently neither routinely screened for in food nor regulated by legislation, thus theymay be considered masked. Fusarium mycotoxins (deoxynivalenol, zearalenone, fumonisins, nivalenol, fusarenon-X, T-2 toxin, HT-2 toxin, fusaric acid) are prone to metabolisation or binding by plants, but transformation of other mycotoxins by plants (ochratoxin A, patulin, destruxins) has also been described. Toxicological data are scarce, but several studies highlight the potential threat to consumer safety from these substances. In particular, the possible hydrolysis of masked mycotoxins back to their toxic parents during mammalian digestion raises concerns. Dedicated chapters of this article address plant metabolism as well as the occurrence ofmaskedmycotoxins in food, analytical aspects for their determination, toxicology and their impact on stakeholders.
JRC Directorate:Health, Consumers and Reference Materials

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