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Protective effects of TPs on H2O2-induced RAW264.7 cells injury. (A) Cell viability and (B) representative images (scale bars = 500 µm; Magnification, x10) of H2O2-induced RAW264.7 cells pretreated with different concentrations of TPs (0.1, 0.5 and 1.0 µg/ml) for 12 h. The results are expressed as the means ± SD of three independent experiments. **P<0.01 vs. Control, ##P<0.01 vs. the H2O2 group. TPs, tea polyphenols.
