Rapid acoustic screening of deoxynivalenol (DON) in grain
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A novel, fast, non-invasive, cheap and quantitative technique to detect deoxynivalenol (DON) in cereal grains is described. This technique is completely different from currently applied wet chemistry techniques and is based on acoustic waves penetrating through and/or reflected by air-filled porous materials such as unconsolidated solid beads of grain. The rapid acoustic technique has been tested for the quantitative determination of DON in wheat. Two types of equipment were used: an acoustic spectrometer with transmission and an acoustic impulse spectrometer with transmission and reflection. To increase the accuracy of the analysis and optimise the acoustic signal an optimal frequency has been determined for both spectrometers. High correlations between DON contaminated wheat samples and the different amounts of shrivelled kernels in mixtures determined by the acoustic technique have been found. The statistical analysis shows that the acoustic method gives sufficiently precise results in the quantitative determination of DON in grain. The technique with in- and on-line capabilities can therefore be used to screen DON in contaminated wheat at point of harvest. Because it is fit for monitoring and high-throughput analysis, the technique solves some of the problems commonly associated with sampling and analysis.
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Rapid acoustic screening of deoxynivalenol (DON) in grain
In: World Mycotoxin JournalSearch for other papers by G. Juodeikiene in
Current site
Google Scholar
PubMed
Search for other papers by L. Basinskiene in
Current site
Google Scholar
PubMed
Search for other papers by D. Vidmantiene in
Current site
Google Scholar
PubMed
Search for other papers by E. Bartkiene in
Current site
Google Scholar
PubMed
Search for other papers by V. Kunigelis in
Current site
Google Scholar
PubMed
Search for other papers by W. de Koe in
Current site
Google Scholar
PubMed
A novel, fast, non-invasive, cheap and quantitative technique to detect deoxynivalenol (DON) in cereal grains is described. This technique is completely different from currently applied wet chemistry techniques and is based on acoustic waves penetrating through and/or reflected by air-filled porous materials such as unconsolidated solid beads of grain. The rapid acoustic technique has been tested for the quantitative determination of DON in wheat. Two types of equipment were used: an acoustic spectrometer with transmission and an acoustic impulse spectrometer with transmission and reflection. To increase the accuracy of the analysis and optimise the acoustic signal an optimal frequency has been determined for both spectrometers. High correlations between DON contaminated wheat samples and the different amounts of shrivelled kernels in mixtures determined by the acoustic technique have been found. The statistical analysis shows that the acoustic method gives sufficiently precise results in the quantitative determination of DON in grain. The technique with in- and on-line capabilities can therefore be used to screen DON in contaminated wheat at point of harvest. Because it is fit for monitoring and high-throughput analysis, the technique solves some of the problems commonly associated with sampling and analysis.
| All Time | Past 365 days | Past 30 Days | |
|---|---|---|---|
| Abstract Views | 150 | 59 | 8 |
| Full Text Views | 14 | 0 | 0 |
| PDF Views & Downloads | 6 | 0 | 0 |
