Pharmacodynamics effects of origanum majorana on isolated smooth muscles

A.A. Elkomy a , M.G.A. Elsayed a and Nehal M. Abd El-Mageed a

Abstract


The aim of the present study is to investigate the pharmacodynamic effects of Origanum majorana (Lamiaceae) on isolated smooth muscles preparations. Maximum relaxation of isolated guinea pig's ileum and rat's colon was achieved by addition of 50 ?g of Origanum majorana /ml bath. While in isolated rabbit's duodenum, it was achieved by addition of 100 ?g of Origanum majorana /ml bath. The effect of graded increased concentrations of Origanum majorana on isolated rat's uterine muscles was examined during various stages of sex cycle. Maximum relaxation of isolated rat's uterine muscles was achieved by addition of 200 ?g of Origanum majorana /ml bath. It was concluded that, Origanum majorana directly inhibits the smooth muscles of gastrointestinal tract and those of uterus. These findings indicated that Origanum majorana had a significant antispasmodic effects and might have some clinical benefits for treatment of gastrointestinal disorders as colic.

Key words


Origanum majorana, Lamiaceae, Smooth muscles, uterine muscles, Antispasmodic.

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