Magnetic resonance imaging studies to determine the moisture removal patterns in wheat during drying

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作者：
Department of Biosystems Engineering, University of Manitoba, Winnipeg, Man. R3T 5V6, Canada [1 ]
不详 [2 ]
不详 [3 ]
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来源：
Can. Biosyst. Eng. | 2006年 / 7.13-7.18期
关键词：
Drying - Echo suppression - Magnetic resonance imaging - Moisture - Seed;
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摘要：
Noninvasive Magnetic Resonance Imaging (MRI) was used to study the moisture removal pattern inside a single grain of wheat (cultivar: A.C. Barrie) during drying. Images were obtained using a conventional spin-echo pulse sequence on an 11.7 Tesla MR spectrometer equipped with a drying apparatus. Samples of intact kernels (with all three components: pericarp, embryo, and endosperm), mechanically scarified kernels, and kernels with the embryo-removed were dried at different temperatures to study the influence of kernel components on the internal moisture removal and distribution pattern. MR images were recorded at equal time intervals and moisture patterns were analyzed from the MR images of wheat kernels. Analysis of the images revealed that moisture loss from the seed parts differed significantly during drying and was dependent upon the grain components.
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