Relationship between Near Infrared Reflectance Spectra and Mechanical Sensory Score of Commercial Brand Rice Produced in Jeonbuk
2006
Song, Y.J. (Jeonbuk Agricultural Research and Extension Services, Iksan, Republic of Korea), E-mail: syj418@hanmail.net | Song, Y.E. (Jeonbuk Agricultural Research and Extension Services, Iksan, Republic of Korea) | Oh, N.K. (Jeonbuk Agricultural Research and Extension Services, Iksan, Republic of Korea) | Choi, Y.G. (Jeonbuk Agricultural Research and Extension Services, Iksan, Republic of Korea) | Cho, K.C. (Doo Ree Tech, Seoul, Republic of Korea)
The purpose of this study was to assess whether mechanical sensory score by Toyo Midometer can be substituted by near-infrared spectroscopy (NIRS) method in whole-grain milled rice samples. Toyo values of collected commercial brand rice (n=127) had comparatively wide ranges from 62.9 to 84.2 (Mean=70.5; S.D.=4.0). Calibration equation was developed using 73 samples. Standard error of calibration (SEC) for sensory score equation and R² were 0.95, and 0.94, respectively, however, percentage of variation in the reference method values (1-VR) which give a true indication of equation performance was slightly lower (1-VR=0.81) than calibration equation.
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