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1.川附子浸出液(简称冷浸液)经煮沸2小时后(简称浸煮液)增强离体猫心乳头肌收缩力的效价强度有所降低;但增强收缩力的效能大大提高,诱发自律性所需的浓度也显著提高,安全系数加大。 2.川附子提取物801(简称801)对猫心乳头肌收缩力的影响类似浸煮液,安全系数也大;但效价强度按生药原料计算较低;并随着浓度的递增,仅见少数所试诱发自律性,多数则出现心肌兴奋性降低现象。 上述结果说明,浸煮液和801都能直接增强心肌收缩力,但提示所含的主要有效成分可能并不完全相同。
1. Aconite extract (referred to as cold soaking liquid) after 2 hours of boiling (referred to as the dipping liquid) to enhance the contractility of the isolated human papillary muscle titers decreased strength; but to enhance the effectiveness of contractility greatly increased, induced self-discipline The required concentration of sex is also significantly increased, safety factor increased. 2. Sichuan aconite extract 801 (referred to as 801) on the cat’s cardiac papillary muscle contractility similar to the dipping liquid, the safety factor is also large; but the potency of crude drug raw materials calculated lower; and with increasing concentration, only a handful of The induced self-discipline, the majority appear to reduce the excitability of the myocardium. The above results show that the dipping solution and 801 can directly enhance myocardial contractility, but suggest that the main active ingredients contained may not be identical.