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. 2020 Dec 9;11(12):876. doi: 10.3390/insects11120876

Figure 3.

Figure 3

(A) Effect of enzymatic hydrolysis on Raman spectra (1700–1500 cm−1) of BSF protein: protein concentrate (blue); Alcalase hydrolysate (black); papain (green), pepsin (red); (B) principal component analysis (PCA) model of protein concentrate and protein hydrolysates; (C) loading plot of BSF proteins: PC1 (blue), PC2 (red).