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. 2022 Dec 20;12(1):4. doi: 10.3390/foods12010004

Figure 2.

Figure 2

Loadings for the first principal component of fat, protein, pH, titratable acidity (TA), total phenolic compound (TPC), fermentation index (FI), dry matter (DM), and ash for NIR spectra of the ground cocoa samples for DS 2500 (blue line) and PoliSPEC NIR (green line).