Summary

Study of Antispasmodic Effect on Rabbit Isolated Intestinal

Smooth Muscle of Chaihuguizhi Decoction and Composed Decoctions

Chaihuguizhi decoction is composed of Xiaochaihu decoction and Guizhi decoction, which are the traditional prescriptions used to treat cold causing fever, fear of cold, aching extremities, myalgia, vomiting, Experimental results showed that, Chaihuguizhi decoction and composed decoctions, Xiaochaihu decoction and Guizhi decoction, relieve acetylcholine induced spasm on isolated rabbit’s intestinal smooth muscle (P<0.001~0.05) by anticholinergic mechanism, There is a relationship between the decrease of smooth muscle tonus and antispasmodic effect of the drug,

Key words: Chaihuguizhi decoction; Xiaochaihu decoction; Guizhi decoction; stretch isolated rabbit’s smooth muscle.

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