Secondary Structure and Subunit Composition of Soy Protein In Vitro Digested by Pepsin and Its Relation with Digestibility

Figure 4

Amide I band components to distinct secondary structure elements of SPI with different digestion times: A-1 and A-2: SPI-A-1, SPI-A-2; B-1 and B-2: SPI-B-1, SPI-B-2; C-1 and C-2: SPI-C-1, SPI-C-2; D-1 and D-2: SPI-D-1, SPI-D-2; and E-1 and E-2: SPI-E-1, SPI-E-2.

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