The Use of Partial Least Square Regression and Spectral Data in UV-Visible Region for Quantification of Adulteration in Indonesian Palm Civet Coffee

<div>PLS calibration and validation model for luwak content determination using SG smoothing spectra in the range 190–700 nm.</div>

International Journal of Food Science

fig3

Figure 3

Figure 3: The Use of Partial Least Square Regression and Spectral Data in UV-Visible Region for Quantification of Adulteration in Indonesian Palm Civet Coffee 

Figure 3 | The Use of Partial Least Square Regression and Spectral Data in UV-Visible Region for Quantification of Adulteration in Indonesian Palm Civet Coffee 