Physicochemical Properties and Antioxidant Activity of Chitin and Chitosan Prepared from Pacific White Shrimp Waste

Figure 3

¹H NMR spectrum of chitin isolated from white shrimp in concentrated DCl (37%) at 25°C (a); of chitosan prepared from white shrimp chitin in CD₃COOD/D₂O at 90°C (b).

(a)

(b)