Certain biological and pharmacological effects of the Thymus species have been experimentally proved, such the expectorant (1), spasmolytic (1-3), antibacterial (1,4), antifungal (5), antioxidant (6-9), etc. These activities are due to the specific composition of the essential oils (1, 4-9), flavonoids (1-3, 9), phenolic acids (4) and other chemical constituents of Thymus. Beside the data conce...