Özet:

Medicinal aromatic plants have been used for thousands of years as the main source of medicines and the basis of systematic traditional medicines. Achillea sp., which is in the Asteraceae family, is one of the most widely used medicinal and aromatic plants for the treatment of various diseases. The most well-known plant of the Achillea species is A. millefolium. A. millefolium is used to treat a variety of skin conditions and digestive disorders. In addition to its medicinal uses, it is also used in the field of cosmetics and veterinary medicine. Monoterpene 1,8-cineol is a well-known terpenoid oxide and is also a component of other essential oils with a relevant relevance for clinical effects. Many biological activities are known, including anti-inflammatory, antioxidant, free radical scavenger, mucolytic/secretolytic, bronchodilator, antiviral and antimicrobial effects. This study was carried out to evaluate the essential oil composition of the Achillea millefolium (yarrow) plant grown in Sivas. In the study, the essential oil content of the plant was determined and it was determined that the 1,8-cineol (19.33%) compound was higher than the other essential oils found in the Achillea millefolium plant. In the studies, Gas Chromatography (GC-MS) was used for plant essential oil analysis. In the plant, 15 essential oil components were determined and presented in detail in our article. In addition, the antimicrobial and antifungal properties of the essential oil of the plant were determined. Inhibition diameters of Escherichia coli, Staphylococcus aureus, and Salmonella typhimurium species were found to be 0.891, 0.763, and 0.529 mm, respectively. Similarly, the inhibition rate of essential oil against Aspergillus flavus, Fusarium solani, and Penicillium digitatum was found to be 34.91%, 21.47%, and 23.08%, respectively.