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Determination of Maximum Viscosity of Milled Rice Flours Using Near-Infrared Transmittance Spectroscopy

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Title: Determination of Maximum Viscosity of Milled Rice Flours Using Near-Infrared Transmittance Spectroscopy
Authors: Shimizu, Naoto Browse this author →KAKEN DB
Yanagisawa, Takashi Browse this author
Okadome, Hiroshi Browse this author
Toyoshima, Hidechika Browse this author
Andren, Henrik Browse this author
Kimura, Toshinori Browse this author →KAKEN DB
Ohtsubo, Ken'ichi Browse this author
Keywords: japonica
pasting properties
maximum viscosity
near-infrared transmittance
partial least squares regression (PLS)
rapid visco analyser
monochromator type NIT
Issue Date: 2001
Publisher: 日本食品科学工学会
Journal Title: Food Science and Technology Research
Volume: 7
Issue: 2
Start Page: 104
End Page: 109
Publisher DOI: 10.3136/fstr.7.104
Abstract: The objective of this study was to develop a partial least squares regression (PLS) calibration method of maximum viscosity determination of Japanese milled rice flours using near-infrared transmittance (NIT) spectroscopy. The diversity of spectra and maximum viscosity of wide ranging of rice subfamilies were much more than those of japonica type rices. The variations of spectra and maximum viscosity were found to influence PLS loading weights. C-H and O-H in ROH and H2O absorbances presented by the loading weights were significant in the 8th loading of the PLS model for japonica type rices. The performance of this PLS calibration model (11 components) for maximum viscosity of a rapid visco analyser (RVA) was the standard error of prediction (SEP) of 17.7, square of regression coefficient (R2) of 0.75 and the ratio of the SEP to the standard deviation of the original data (RPD) of 1.9. This method can be applied to the determination of maximum viscosity of japonica type rices.
Type: article
Appears in Collections:農学院・農学研究院 (Graduate School of Agriculture / Faculty of Agriculture) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 清水 直人

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