Inhibition of Calcium Oxalate Formation and Antioxidant Activity of Carboxymethylated Poria cocos Polysaccharides

Figure 4

XRD spectrum (a) and COD percentage content (b) of the CaOx crystal formed by PCP-Cs with different COOH contents. (A) PCP-C0. (B) PCP-C1. (C) PCP-C2. (D) PCP-C3. Polysaccharide concentration: 0.4 g/L.

(a)

(b)