Phytochemical composition and antimicrobial properties of leaf essential oil of Garcinia imberti Bourd. and G. travancorica Bedd.
The chemical essential oils composition of leaves isolated through hydrodistillation of leaves of Garcinia imberti Bour. and G. travancorica Bedd. were identified for the first time. The results revealed that, there were 30 chemical components identified from G.imberti and 13 components reported from G. travancorica. Hexahydrofarnesyl acetone was the dominant chemical component of the essential oil of G.imberti followed by Glycodeoxycholic acid, Ambrosin, Hexadecanoic acid and methyl ester. The essential oil of G. travancorica conquered by fatty acids and fatty acid derived compounds such as Geranyl acetone, Farnesyl acetone, Hexahydrofarnesyl acetone and the remaining bioactive compounds were dominated by oxygen-containing di, tri and sesquiterpenoids. The results of antimicrobial effect of essential oils of both species showed strong inhibitory activity even at lowest concentration (10 µl) against 10 human pathogens. These results indicated that, the essential oil of both species are effective and might be applicable in nature medicines and novel drugs.