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. 2020 Aug 5;21(16):5602. doi: 10.3390/ijms21165602

Figure 2.

Figure 2

FTIR spectra of oven-dried HMW CHI chitosan/caseinate films prepared by varying the concentration of sodium caseinate (NaCas): 1%; 2%; 5% and 10% (w/w). The assignment of the bands regions 1, 2, 3, 4, 5, and 6 are discussed in detail above in the text in Section 2.2.1.