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http://dx.doi.org/10.5352/JLS.2012.22.10.1344

Major Compound Analysis and Assessment of Natural Essential Oil on Anti-Oxidative and Anti-Microbial Effects  

Shin, Yu-Hyeon (Department of Cosmeceutical Science, Daegu Haany University)
Kim, Hyun-Jung (Department of Cosmeceutical Science, Daegu Haany University)
Lee, Jin-Young (Department of Herbal Cosmetic Science, Hoseo University)
Cho, Young-Je (School of Food Science & Biotechnology, Food & Bio-Industry Research Institute, Kyungpook National University)
An, Bong-Jeun (Department of Cosmeceutical Science, Daegu Haany University)
Publication Information
Journal of Life Science / v.22, no.10, 2012 , pp. 1344-1351 More about this Journal
Abstract
We studied the physical, chemical, biological, and antimicrobial effects of eight types of essential oils used in the cosmetics industry: lavender, tea tree, rosemary, juniper berry, Chamaecyparis obtusa, cypress, cedar wood, and pine. Lavender oil had a linalyl acetate (an ester chemical compound) content of 48% and radical scavenging activity of 22.36% at 5,000 ppm. Tea tree oil had radical scavenging activity of 43.94% at 5,000 ppm and antimicrobial activity against S. aureus, S. epidermidis, S. mutans, and C. albicans in each 6, 3.5, 6.5, and 5 mm, respectively. Chamaecyparis obtusa oil had the highest acidity (pH 2.64) compared with the other oils, and sesquiterpene compounds were found to have 19.20%. Cedar wood oil had the highest specific gravity and refractive index compared to the other oils and had a sesquiterpene content of 99.73%. The radical scavenging activity of cedar wood essential oil exceeded 39.68% at 5,000 ppm. The clear zone, indicating antimicrobial activity against P. acnes, P. ovale, and C. albicans, was 3.5, 6, and 6 mm, respectively, at a concentration of 1% cedar wood oil. Results showed that with a high sesquiterpene content, the antioxidant effect was generally, but not always, high, suggesting that this is determined according to composition of the compound rather than presence of each antioxidant. The results indicate that antimicrobial activity is determined by the existence of each antimicrobial ingredient rather than terpene composition.
Keywords
Natural essential oil; anti-oxidative; anti-microbial; compound analysis;
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