Journal of
Medicinal Plants Research

  • Abbreviation: J. Med. Plants Res.
  • Language: English
  • ISSN: 1996-0875
  • DOI: 10.5897/JMPR
  • Start Year: 2007
  • Published Articles: 3830

Full Length Research Paper

Chemical composition and antioxidant activity of essential oil of pine cones of Pinus armandii from the Southwest region of China

X. Yang1,2*, H. T. Zhao1, J. Wang2, Q. Meng1, H. Zhang1, L. Yao1, Y. C. Zhang1, A. J. Dong1, Y. Ma1, Z. Y. Wang1, D. C. Xu1 and Y. Ding3
1School of Food Science and Engineering, Harbin Institute of Technology, Harbin, 150090, P. R. China. 2Key Laboratory of Agro-product Quality and Safety, Institute of Quality Standard And Testing Technology for Agro-Product, Chinese Academy of Agricultural Sciences, 100081 Beijing, China. 3Department of Biological Sciences and Biotechnology, Tsinghua University, Beijing, 100084, P. R. China.
Email: [email protected]

  •  Accepted: 25 May 2010
  •  Published: 18 August 2010

Abstract

The essential oil of an endemic species, Pinus armandii, gathered from China, was extracted by hydrodistillation and solid phase micro-extraction (SPME). The oils have been studied by GC and GC-MS. A total of 57 compounds have been identified in the pine cone oil extracted by hydrodistillation, the principal components being α-pinene (20.92%) and D-limonene (15.78%), β-pinene (4.91%) and trans-pinocarveol (4.76%), while the oil extracted by SPME showed α-pinene (41.59%), D-limonene (17.8%), β-caryophllene (11.02%) and β-pinene (7.54%) as the principal components. SPME extracts indicated that α-pinene and β-caryophllene were in greater concentration in the head space vapours than in the oil. The antioxidant activity of the oils from P. armandii was evaluated using the DPPH. This is the first report describing the essential oil composition and antioxidant activity of this species.

 

Key words: Pinus armandii, essential oils, SPME, GC-MS, antioxidant activity, DPPH.

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