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KMID : 0604520070330040269
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Journal of the Society of Cosmetic Scientists of Korea
2007 Volume.33 No. 4 p.269 ~ p.273
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The Effect of Antibacteria and Antioxidantion Activities from Needle Leaf Tree
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Zhoh Choon-Koo
Kim Kyung-Rae
Kim Joo-Chan
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Abstract
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We studied anti-microbial and anti-oxidant activities of bio-active components in stem of Juniperus chinensis L. and leaf of Abies koreana Wilson. Those plants of needle leaf tree family were reported to contain anti-cancer compounds. The anti-bacterial activity was tested by Broth dilution method against Escherichia coli and Staphylococcus aureus. As results, Juniperus chinensis L. and Abies koreana Wilson extracts showed 17.0% and 8.5% higher anti-bacterial activity than methyl paraben, respectively. The free radical scavenging activity of Juniperus chinensis L. and Abies koreana Wilson extracts showed 45 % and 44 % at 5,000 ppm. We measured polyphenol (catechin equivalent) and flavonoids quantity. The Juniperus chinensis L. extract contained 312 mg/g of polyphenol and 105 mg/g of flavonoids. The Abies koreana Wilson extract contained 280 mg/g of polyphenol and 103.8 mg/g of flavonoids. The cytotoxicity of extracts was measured by neutral red assay. Extracts did not affect the viability of CCK-986sk cells up to a concentration of 1,250 ppm. In conclusion, these data suggest that extracts of needle leaf trees would be usefull as antiseptic agents and anti-oxidants for cosmetic products.
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KEYWORD
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Needle leaf tree extract, antibacterial activity, antioxidant, abies koreana wilson, juniperus chinensis L.
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