Photochemical Composition and Antimicrobial of Essential Oils from Two Artemisia Species for their Application in Drinking-Water

Background: This research intends to analyze the essential oil composition and antimicrobial activity of the two Artemisia species from the Sistan and Baluchestan region of Iran. The aerial parts of A. santolina Schrenk and A. sieberi Boiss were collected during the flowering stage.
Methods: The essential oils were isolated by the hydro distillation method. The (w/w) oils yield were 0.84 % and 1.29 % for A. santolina Schrenk and A. sieberi respectively. The oils constituents were analyzed by the GC-MS technique.
Results: In the oil of A. santolina, 67 constituents embracing 95.16 % of total essential oil were recognized. The main constituents were 1, 8-cineole (21.07 %), camphor (13.13 %) and unknown constituents (4.84 %). In the oil of A. sieberi 72 constituents were recognized consisting of 96.49 % of its total essential oil. The main constituents were 1, 8-cineole (45.88%), camphor (3.40%) and unknown constituents (3.51%).
Conclusion: The findings reveal that the A. sieberi and A. santolina essential oils have a considerable percentage of oxygenated terpenoids with the anti-microbial property. The antimicrobial effects of essential oil have been demonstrated in drinking-water using the heterotrophic plat technique.

Author(s): Alireza Sardashti, Idris Bazerafshan and Amin Ganjali

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