Quantitative Determination of Protein, Total Fat, and Carbohydrate Contents in Milk by FT-NIR Spectroscopy Method

Near infrared (NIR) bands are generally weak intensity, broad and overlapping, and because of the high similarity in NIR spectra, chemometrics data analysis such as principle component regression (PCR), multi-linear regression (MLR) or partial least squares (PLS) regression is required to correlate spectral data with the reference values of measuring components. Here, we introduce a method for quantitative determination of protein, total fat and carbohydrate contents in milk using NIR spectrometry and PLS quantitative calibration method.

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Molecular Spectroscopy, FTIR Spectroscopy
Fourier Transform Near Infrared Spectroscopy, Chemometrics, Partial Least Squares, Food and Beverages, IRTracer-100
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