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2″ ｏ 没食子酰基金丝桃苷 (ＰＣＡ 4 )是从鹿衔草 (ＰｙｒｏｌａＣａｌｌｉａｎｔｈａＨ Ａｎｄｒｅｓ)中分离出的单体成分 ,对在体大鼠心肌缺血再灌注损伤有明显的保护作用[1] 。本文利用豚鼠右心室游离壁缺氧再给氧心律失常 (ＩＲＡ)模型[2 ,3 ] ,研究ＰＣＡ 4对ＩＲＡ发生
2′′o galloyl hyperoside (PCA 4 ) is a monomeric component isolated from Pyrola Calliantha H Andres, which has a significant protective effect on myocardial ischemia-reperfusion injury in rats[1]. In this study, the guinea pig right ventricular free wall hypoxia-reoxygenation arrhythmia (IRA) model [2,3] was used to study the occurrence of PCA 4 in IRA.