Nigella sativa (N. sativa) is a spice plant which has been traditionally used for culinary and medicinal purposes. Different therapeutic properties including the beneficial effects on asthma and dyspnea, digestive and gynecology disorders have been described for the seeds of N. sativa. There is evidence of the relaxant effects of this plant and some of its constituents on different types of smo...

Nigella sativa (N. sativa) is a spice plant which has been traditionally used for culinary and medicinal purposes. Different therapeutic properties including the beneficial effects on asthma and dyspnea, digestive and gynecology disorders have been described for the seeds of N. sativa. There is evidence of the relaxant effects of this plant and some of its constituents on different types of smo...

Achillea wilhelmsii have been used in folk remedies. The relaxant effects of the extractof A. wilhelmsii on tracheal chains of guinea pigs were examined. The relaxant effects offour cumulative concentrations of the extract, theophylline and saline were examined bytheir relaxant effects on precontracted tracheal chains of guinea pig by KCl (group 1), 10 μMmethacholine (group 2), incubated tissue...

Thymol is a phenolic monoterpene with colorless crystalline shapes or white powder spicy, caucasian and sweet taste. Its chemical structure characterized by hydroxyl group (-OH) attached to benzene ring. It provides for the hydroxylation of P-cymine along its carvacrol’s isomer. In this molecule different therapeutic properties have been registered in molecule, such as spasmolytic, anticancer, ...

The gasotransmitter nitric oxide was classified as the first endothelium-derived relaxant factor, and opened a new era in cardiovascular research. Another small gas, sulfur dioxide (SO₂), can also be generated endogenously in mammals. Recent studies have shown that SO₂ may play important roles in the cardiovascular system. At low concentrations, the vasodilatory effect of SO₂ is endothelium-dep...

Saffron, Crocus sativus L. (C. sativus) is rich in carotenoids and used in traditional medicine for treatment of various conditions such as coughs, stomach disorders, amenorrhea, asthma and cardiovascular disorders. These therapeutic effects of the plant are suggested to be due to its relaxant effect on smooth muscles. The effect of C. sativus and its constituents on different smooth muscles an...

Achillea wilhelmsii have been used in folk remedies. The relaxant effects of the extractof A. wilhelmsii on tracheal chains of guinea pigs were examined. The relaxant effects offour cumulative concentrations of the extract, theophylline and saline were examined bytheir relaxant effects on precontracted tracheal chains of guinea pig by KCl (group 1), 10 μMmethacholine (group 2), incubated tissue...

A new xanthine derivative bronchodilator, 1-methyl-3-propylxanthine (MPX), and 1-methyl-3-butylxanthine (MBX) were synthesized. We evaluated their relaxant effects on tracheal smooth muscle isolated from guinea pigs and pharmacokinetic characteristics in rats using 1,3-dimethylxanthine (theophylline, TPH) as the reference drug. Dose-dependent relaxant effects were observed in the concentration ...

objective: asafoetida (ferula assa-foetida) is known as a valuable remedy for whooping cough, pneumonia, bronchitis in children and asthma treatment in folk medicine. in the present study the relaxant effects of the asafoetida on tracheal smooth muscle of guinea pigs and its probable mechanism(s) were examined. materials and methods: the relaxant effects of three cumulative concentrations of th...

Objective: The study was done to evaluate the antiasthma activity of Macerated and Soxhlet extracts of (pulp) of plant Liomnia acidissima Linn on tracheal chains of guinea pigs. Methods: The (pulp) of fruits of plant Liomnia acidissima Linn was extracted with 95% ethanol at 55oC and evaluate for their antiasthma activity on tracheal chains of guinea pigs by using three cumulative concentrations...