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白花前胡石油醚提取物对家兔离体气管平滑肌的作用
Effects of Petroleum Ether Extract of Peucedanum praeruptorum Dunn on Rabbit Trachea Smooth Muscles
【摘要】 白花前胡石油醚提取物能抑制乙酰胆碱和氯化钾所致气管平滑肌收缩,而且能使乙酰胆碱收缩气管平滑肌的量效曲线右移,使最大反应降低,其作用为剂量依赖性。
【Abstract】 he contractions of isolated rabbit trachea smooth muscles by acetylcholine and potassium chIoride were atten。uated by petroleum ether extract of Peucedanum praeruptorum pretreatment. The dose-effect curve of acetylcholinevvas shifted to the right,and the maximal response was diminished. The effect was non-competitive and dosed-depen。dent。
【关键词】 白花前胡石油醚提取物;
离体气管平滑肌;
乙酰胆碱;
氯化钾;
【Key words】 petroleum ether extract of Pettcedanum praeuptorum; trachea smooth muscles; acetylcholine; potassium chloride;
【Key words】 petroleum ether extract of Pettcedanum praeuptorum; trachea smooth muscles; acetylcholine; potassium chloride;
- 【文献出处】 中国中药杂志 ,CHINA JOURNAL OF CHINESE MATERIA MEDICA , 编辑部邮箱 ,1994年06期
- 【分类号】R285.5
- 【被引频次】7
- 【下载频次】109