Bronchodilatory effect of Crocus sativus

What is it about?

As indicated in ancient Iranian medical books, Crocus sativus has therapeutic effects on respiratory diseases. The relaxant effect of this plant has been observed also on smooth muscles in previous studies. Therefore, in this study the relaxant effects of aqueous-ethanolic extracts of C. sativus and one of its main constituents, safranal, were examined on guinea-pig tracheal chains.

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Why is it important?

These results showed a potent relaxant effect of C. sativus on tracheal chains of guinea-pigs that was comparable to or even higher than that of theophylline at the concentrations used. The results indicated that safranal was, at least in part, responsible for the relaxant effect of C. sativus.