Sugarcane Bagasse-Derived Cellulose Nanocrystal/Polyvinyl Alcohol/Gum Tragacanth Composite Film Incorporated with Betel Leaf Extract as a Versatile Biomaterial for Wound Dressing

Figure 4

FTIR spectra of (a) GT, (b) PVA, (c) PVA/GT, (d) PVA/GT/CNC2, (e) PVA/GT/CNC4, (f) PVA/GT/CNC6, (g) PVA/GT/CNC8, and (h) PVA/GT/CNC10 composite films.