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. 2021 Jun 8;13(6):1974. doi: 10.3390/nu13061974

Figure 2.

Figure 2

Overview of the insoluble casein proteins and their share in the total casein fraction. The green box indicates some important processed peptide variants after casein digestion. Some of them are α-amides, methyl esters or have free α-carboxyl groups [20,21,22].