Chitosan Associated with the Extract of Unripe Banana Peel for Potential Wound Dressing Application

Figure 3

FTIR spectra of unripe banana peel and chitosan membranes prepared with the extracts of banana peel: (dashed) banana peel; (grey) chitosan membrane prepared with the first extract, CB1; and (black) chitosan membrane prepared with the third extract, CB3. Banana peel data is shown in the secondary transmittance intensity axis.