Regulation on Calcium Oxalate Crystallization and Protection on HK-2 Cells of Tea Polysaccharides with Different Molecular Weights

Figure 3

FT-IR spectra of CaOx crystals induced by different concentrations of TPSs. (a) TPS0. (b) TPS1. (c) TPS2. (d) TPS3. : (A) 0, (B) 0.1, (C) 0.15, (D) 0.3, and (E) 0.8 g/L.

(a)

(b)

(c)

(d)