African Journal of
Biotechnology

  • Abbreviation: Afr. J. Biotechnol.
  • Language: English
  • ISSN: 1684-5315
  • DOI: 10.5897/AJB
  • Start Year: 2002
  • Published Articles: 12487

Full Length Research Paper

Chemical composition and anti-bacterial activity of essential oil from Cedrela sinensis (A. Juss.) Roem. seed

  Qinxiong Lin2#, Mao Li3#, Riming Zhou3# and Yun Liu1*
  1College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029 China. 2Pharmaceutical College, South-Central University for Nationalities, Wuhan City, 430072 China. 3College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074 China.   #These authors contributed equally to this work.
Email: [email protected]

  •  Accepted: 13 December 2011
  •  Published: 24 January 2012

Abstract

 

This work assesses the chemical compositions and in vitro anti-bacterial activities of seed essential oil from Cedrela sinesis (A. Juss.) Roem. seed. which has abundant mineral elements such as K, Ca, Fe. The fatty acid profiles of seed essential oil are characterized by considerable unsaturated fatty acids (90.39%) including linoleic acid (56.81%), linolenic acid (17.63%) and oleic acid (15.95%). Gas chromatography-mass spectrophotometry (GC-MS) analyses show that major components comprising 62.7% of the oil are 1,6-cyclodecadiene (42.64%), 9,17-octadecadienal (13.72%), and Z,E-2,13- octadecadien-1-ol (6.32%). Squalene (1.94%) is detected in this seed oil for the first time. The inhibition zone diameters and minimal inhibition concentrations (MIC) against four tested bacteria are in the ranges of 17 to 23 mm and 192 to 390 μg/mL, respectively. The effects of pH and temperature on the anti-bacterial activities of essential oil show no significant difference.

 

Key words: Cedrela sinesis (A. Juss.) Roem. seed, chemical composition, essential oil, GC-MS, anti-bacterial activity.

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