As can be observed in Fig. 4a, diffractograms displayed two diffraction peaks: the peak at 21 related to the crystallinity of gelatin, and the peak at 7.4 corresponding to the residual triple-helix from native collagen [27].
Ascan be observed in Fig. 4a, diffractograms displayed two diffraction peaks: the peak at 21 related to the crystallinity ofgelatin, and the peak at 7.4 corresponding to the residual triple-helix from native collagen [27].