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Trichodiene is the first and only volatile intermediate in the biosynthesis of Fusarium mycotoxins and its detection in the gas-phase might therefore be of potential interest as a marker for food safety analysis. We herein present an improved diastereoselective synthesis of trichodiene which can be used as an analytical standard for a headspace gas chromatography / mass spectrometry method to be developed.
Metabolites from Alternaria fungi exhibit a variety of biological properties such as phytotoxic, cytotoxic, or antimicrobial activity. Optimization of a literature procedure culminated in an efficient total synthesis of (−)-altenuene as well as a stable isotope-labeled derivative suitable for implementation in a LC-MS/MS method for mycotoxin analysis.
On the world scale, the European Union has established the most comprehensive regulations for mycotoxins in food and feed. These regulations, which areinter alia expressed in the form of maximum levels, largely affect cereal traders. To ensure the safety of their products and compliance with EU legislation traders are required to quantify the mycotoxin levels in their lots. However, while the analytical approaches of research and enforcement are well known and frequently reviewed in the scientific and legal literature, little detailed information is available on the mycotoxin management concepts of trade. The present article is intended to close this gap. On the basis of the results of two surveys conducted amongst European cereal traders in the years 2007 and 2009, three key issues in commercial mycotoxin management are outlined and discussed in the context of the current scientific literature. These are: the issue of sampling, the availability and performance of suitable analytical methods as well as issues evolving from variations between regulatory and contractual maximum levels.