Zhongguo Zhongyao Zazhi 1994-Jun
[Effects of petroleum ether extract of Peucedanum praeruptorum Dunn on rabbit trachea smooth muscles].
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Abstract
The contractions of isolated rabbit trachea smooth muscles by acetylcholine and potassium chloride were attenuated by petroleum ether extract of Peucedanum praeruptorum pretreatment. The dose-effect curve of acetylcholine was shifted to the right, and the maximal response was diminished. The effect was non-competitive and dose-dependent.