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Nondestructive Measurement of Chemical Compositions in Polished Rice and Brown Rice using NIR Spectra of Hulled Rice acquired in Transmittance and Reflectance Modes  

Kwon Young-Rip (Jeollabuk-do Agricultural Research and Extension Services)
Cho Seung-Hyun (Jeollabuk-do Agricultural Research and Extension Services)
Song Young-Eun (Jeollabuk-do Agricultural Research and Extension Services)
Lee Jae-Heung (Jeollabuk-do Agricultural Research and Extension Services)
Cho Chong-Hyeon (Jeollabuk-do Agricultural Research and Extension Services)
Publication Information
KOREAN JOURNAL OF CROP SCIENCE / v.51, no.5, 2006 , pp. 451-457 More about this Journal
Abstract
The purpose of this study is to measure fundamental data required for the prediction of rice quality and to develop regression models to predict protein, amylose, moisture and fatty acid contents, and Toyo taste meter value (TTMV) of brown and polished rice from hulled rice NIR spectra. NIR spectra of hulled rice measured in transmittance mode (850-1050 nm) and in reflectance mode (400-2500 nm) were used to predicted chemical compositions of brown rice and polished rice. For most chemicals, the transmittance spectra could provide better calibration results than the reflectance ones. Beside the Toyo taste meter value (TTMV), the hulled rice spectra could predict chemical contents with the determination coefficients higher than 0.8. Spectra of hulled rice measured in transmittance mode could be used for the prediction of chemical compositions in brown rice and polished rice precisely. However, taste value of polished rice was a constituent that was hardly to be predicted.
Keywords
rice; transmittance; reflectance; protein; moisture; taste; amylase; fatty acid;
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Times Cited By KSCI : 2  (Citation Analysis)
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