Antimicrobial Activity of Essential Oil from Pinus yunnanensis Franch.var tenuifolia Growing in China

Yu Hong Tian; Zi Li; Shi Hua Wu; Qiong Huang

doi:10.4028/www.scientific.net/AMR.430-432.438

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 430-432Antimicrobial Activity of Essential Oil from Pinus...

Antimicrobial Activity of Essential Oil from Pinus yunnanensis Franch.var tenuifolia Growing in China

Abstract:

The in vitro antimicrobial activity of the essential oil from needles of Pinus yunnanensis Franch.var tenuifolia was investigated. The essential oil was obtained by hydro-distillation and analyzed by gas chromatography-mass spectrometry (GC-MS) method. The major compound of the essential oil was α-pinene (22.542%), followed by β-caryophyllene (16.636%), 1,2,4a,5,8,8a-hexahydro-4,7-dimethyl-1-(1-methylethyl)-naphthalene (5.085%), β-cubebene (4.779%), elixene (4.442%), α-cadinol (3.528%),α-caryophyllene (3.459%) and limonene (3.428%). The antimicrobial activity of oil was evaluated by using disc diffusion and agar dilution methods, respectively. The results indicated that the essential oil held moderate antimicrobial activity against tested microorganisms. The essential oil did not differ remarkably in its antibacterial and antifungal activities. The minimum inhibitory concentrations (MICs) were 40 ml/l for bacterial strains, and 80 ml/l for fungal strains.

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Advanced Materials Research (Volumes 430-432)

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438-442

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.430-432.438

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Online since:

January 2012

Authors:

Yu Hong Tian, Zi Li, Shi Hua Wu, Qiong Huang

Keywords:

Antimicrobial Activity, Chemical Composition, Essential Oil, Gc-Ms, Pinus yunnanensis Franch.var tenuifolia

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