デオキシニバレノール汚染に対応した小麦の乾燥・調製技術
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概要
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Deoxinivalenol(DON) concentration ratio in wheat is likely to increase during the storage stage of so called 2stage-drying. The risk of DON -increase seems to be without reference to kernel moisture content (14-18% w.b.). The increase occurred remarkably in high level of initial DON concentration over 2mg/kg. Rapid drying can prevent increase of DON concentration. DON contaminated grain can be removed by some physical treatments. Sizer, gravity separator and optical (near-infrared light) sorter can reduce the concentration of DON effectively. In gravity separation, the DON concentration of samples (pre-separation, accepted and rejected) are in inverse proportion to its volume weight. So the target DON concentration by gravity processing can roughly be estimated from volume weight of accepted sample.
- 2006-01-31