Fig. 3. FTIR Spectra of gelatin and sodium caseinate
films (GC: gelatin control,
GA25: seaweed extract at 25% of gelatin, GA50: seaweed extract at 50% of gelatin,
CC: sodium caseinate control, CA25: seaweed extract at 25% of sodium caseinate
and CA50: seaweed extract at 50% of sodium caseinate).