About Alternaria toxins in cocoa and chocolate products—method development and monitoring of alternariol, alternariol monomethyl ether and tenuazonic acid

A quick and selective analytical method was developed via LC–MS/MS for the simultaneous quantitation of alternariol (AOH), alternariol monomethyl ether (AME) and tenuazonic acid (TeA) which belong to the large group of secondary metabolites produced by fungi of the genus Alternaria . Cocoa is suscep...

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Veröffentlicht in:Mycotoxin research 2022-08, Vol.38 (3), p.167-173
Hauptverfasser: Schultz, Julia, Umberath, Kim Marie, Raters, Marion, Heckel, Frank
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Umberath, Kim Marie
Raters, Marion
Heckel, Frank
description A quick and selective analytical method was developed via LC–MS/MS for the simultaneous quantitation of alternariol (AOH), alternariol monomethyl ether (AME) and tenuazonic acid (TeA) which belong to the large group of secondary metabolites produced by fungi of the genus Alternaria . Cocoa is susceptible to a number of toxin-producing microorganisms, including Aspergillus and Penicillium species. The method relies on a single-step extraction, followed by an easy clean up, dilution of the raw extract and direct analysis. To assess whether cocoa and chocolate products can be a source of Alternaria toxins, a monitoring of cocoa and chocolate products ( N  = 99) as well as cocoa raw and semi-finished materials (cocoa shells, cocoa masses; N  = 10) was performed. As the results, cocoa and products made from cocoa (without other ingredients) are no source of the Alternaria toxins considered here.
doi_str_mv 10.1007/s12550-022-00457-z
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source Springer Nature - Complete Springer Journals
subjects Alternaria
Biomedical and Life Sciences
Chemistry/Food Science
Chocolate
Cocoa
Dilution
Fungi
Life Sciences
Medical Microbiology
Medicine/Public Health
Metabolites
Microbiology
Microorganisms
Monitoring
Original Article
Quantitation
Secondary metabolites
Tenuazonic acid
Toxins
title About Alternaria toxins in cocoa and chocolate products—method development and monitoring of alternariol, alternariol monomethyl ether and tenuazonic acid
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