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Biological Activities of Essential Oil from Chamaecyparis obtusa  

Ahn Jeung-Youb (Section of Biosciences, SaengGreen R&D Center)
Lee Sung-suk (Division of Wood chemistry & Microbiology, Korea Forest Research Institute)
Kang Ha-young (Southern Forest Research Center)
Publication Information
Journal of the Society of Cosmetic Scientists of Korea / v.30, no.4, 2004 , pp. 503-507 More about this Journal
Abstract
The essential oil from Chamaecyparis obtusa was investigated for biological activities in anti-oxidative, anti-inflammation and antibacterial method, respectively. The Growth inhibitory effect of C. obtusa oil on the bacteria was evaluated with MIC (minimum inhibitory concentration), $IC_{50}\;(50\%$ inhibitory concentration), and paper disc method. Two kinds of gram positive strains and two kinds of gram negative strains were used in this study. Gram positive strains were B. subtilis and S. aureus. and Gram negative strains were E. coli and P. aeruginosa. Gram positive strains showed much more intensive effect than gram negative strains. Anti-oxidative effect was investigated with DPPH (1,1-diphenyl-2-picrylhidrazyl) in methanol based and $IC_{50}\;was\;0.78\%.$ Our results suggest that the essential oil from Chamaecyparis obtusa has effects on anti-bacterial, anti- oxidative and anti-inflammation in in vitro and in uiuo. Then this material could be expect synergic effect with other candidated extracts and oils.
Keywords
Chamaecyparis obtusa; essential oil; biological activity; anti-oxidant; antibacterial;
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