Abstract Title:

Effective antibacterial and antioxidant properties of methanolic extract of Laurus nobilis seed oil.

Abstract Source:

J Environ Biol. 2010 Sep;31(5):637-41. PMID: 21387914

Abstract Author(s):

Birgul Ozcan, Mari Esen, M Kemal Sangun, Arzu Coleri, Mahmut Caliskan

Article Affiliation:

Letters Biology Department, Faculty of Sciences, Mustafa Kemal University, Hatay - 31040, Turkey. [email protected]


This study was carried out to determine the in vitro antimicrobial and antioxidant activities of the essential oil, seed oil, and methanolic extract of seed oil obtained from Laurus nobilis L. (Lauraceae). The methanolic extract of seed oil exhibited more effective antibacterial activity comparing to essential oil and seed oil, GC-MS analyses of the essential oil resulted in the identification of 25 compounds. 1.8-Cineol (44.72%), a-Terpinyl acetate (12.95%), Sabinene (12.82%) were the main components. The fatty acid composition was characterized with the high content of linoleic acid (40.79%) and lauric acid (38.08%). The 50% (IC50) inhibition activity of the essential oil on the free radical DPPH was determined as 94.655 mg ml(-1), whereas IC50 value of methanolic extract of seed oil was found unstable. In the case of the linoleic acid system, oxidation of linoleic acid was inhibited by essential oil and methanolic extract of seed oil, which showed 64.28 and 88.76% inhibition, respectively. The inhibition value of the methanolic extract of seed oil was quite close to the synthetic antioxidant BHT, 92.46% inhibition.

Study Type : In Vitro Study

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