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本研究观察了经静脉注射茶多酚（TP）对家兔左心功能的影响。结果显示，TP50mg／kg静脉注射对健康家兔的左心功能具有明显的抑制作用，特别是降低左室内压的作用尤为显著。
In this study, we observed the effects of intravenous tea polyphenols (TP) on left ventricular function in rabbits. The results showed that intravenous injection of 50 mg/kg TP had a significant inhibitory effect on left ventricular function in healthy rabbits, especially in reducing left ventricular pressure.