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

Figure 2

FT-IR spectra of SPIs with different digestion times: (a) SPI-A; (b) SPI-B; (c) SPI-C; (d) SPI-D; and (e) SPI-E. Data are expressed as the mean of three replicates; values followed by different letters are significantly different at .

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