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

Table 3

Inhibitory effect of nucleation rate and aggregation rate of CaOx crystals by TPSs.

	Blank	TPS0	TPS1	TPS2	TPS3
(s)	540	630	750	840.	660
(×10^-5/s)
(×10^-5/s)

Note: (s): the moment at which maximum absorbance; : rate of crystal nucleation; : rate of crystal aggregation.