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The rapid acoustic screening of deoxynivalenol (DON) in grain

Juodeikiene G., Vidmantiene D., Basinskiene L., Bartkiene E., Koe W. J.

Ekologia i Technika

2005

R. 13, nr 5

187-192

Mycoxins in food and feed are considered as important safety issues of growing concern. Most scientific developments have occurred in the last decades in the area of mycotoxins. Formal health risk assessments have been carried out or are underway by the Joint FAO/WHO Expert Committee on Food Additives (JECFA). One of the from an economic point of view and less from a health point of view important mycotoxin is deoxynivalenol (DON) or vomitoxin. DON is a toxin formed by fungi of the genus Fusarium and occurs mainly on grains and corn. In Europe alone, Fusarium head blight destroys a fifth of the wheat harvest. Limits and regulations for mycotoxins in food and feed have been established in many countries and recently the EU published legislation in this field. An array of (formally validated) analytical methods and (certified) reference materials has become available. Quantitative methods of analysis for regulatory purposes for mycotoxins often make use of immuno affinity cleanup with LC or GC separation techniques in combination with various types of detectors, including MS. There exist interesting newer developments in mycotoxin methodology, of which the application would need to be further explored, tested for performance and compared with the existing conventional methods. These methods include the powerful LC MS (MS) and GC MS bench top techniques, capillary zone electrophoresis, cell tests and others and for screening purposes (bio) sensor based techniques and non-invasive methods based on infrared and acoustic techniques. The promising acoustic technique is fast, effective, simple and reliable and is capable to be used in- and on-line. Further development and validation and calibration of this method in compare with existing state of the art conventional methods are necessary to make progress with this promising technology.