Research Article

Antioxidant Activities and Repair Effects on Oxidatively Damaged HK-2 Cells of Tea Polysaccharides with Different Molecular Weights

Table 1

Degradation conditions and physicochemical properties of TPSs with different Mw.

Polysaccharide abbreviationH2O2 concentration C(H2O2)/%Intrinsic viscosity [η]/mL/gMean molecular weights Mr/kDa–COOH content/%Solubility (25°C) g/100 g

TPS003.952 ± 0.13010.88 ± 0.7311.210.0
TPS143.434 ± 0.0868.16 ± 0.4212.312.5
TPS282.653 ± 0.0724.82 ± 0.2712.725.0
TPS3141.842 ± 0.1882.31 ± 0.4811.033.3