. Data are expressed as the mean + standard deviation of three independent experiments. ^\*^P\<0.00, ^\*\*^P\<0.00, vs 0 *µ*g/ml (control). FITC, fluorescein isothiocyanate; PI, propidium iodide.](MMR-00-00-0000-g00){#f0-mmr-00-00-0000}  ![Effects of different concentrations of polyphenol-rich extract of *Salvia chinensis* on the 