Near infrared spectroscopic measurement of protein content in oil/water emulsions
1992
Kamishikiryo, H. | Hasegawa, K. | Takamura, H. | Matoba, T.
The regression coefficient (slope) of the calibration for determination of the protein content decreased as oil content increased. A corrected equation for the effect of oil was derived using optical intensities at 2170 nm (protein) and 2306 nm (oil). The accuracy of the corrected calibration was tested against separate data sets with each oil content. Standard errors of the corrected calibration were comparable to the standard regression equation over a wide range of oil content, suggesting that this corrected calibration is useful for determination of the protein content in oil/water emulsions.
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