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KMID : 0604520080340040317
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Journal of the Society of Cosmetic Scientists of Korea
2008 Volume.34 No. 4 p.317 ~ p.323
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Antimicrobial Activities of Sophorolipids and Its Application for Cosmetics
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Cho Wan-Goo
Park Hyo-Soon
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Abstract
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Some surfactants known as biosurfactants, are produced biologically by yeast and bacteria from various substances. They are more effective and environmentally friendly than many other synthetic surfactants. Antimicrobial activities of sophorolipids produced by Candida bombiocola were investigated against various microorganisms. Minimal Inhibitory concentration (MIC) of sophorolipid against S. mutans, C. xerosis, and P. acnes were 0.005, 0.05, and 0.005%, respectively. The antimicrobiological activities were more effective than those of SLS and APG. Skin exfoliating and moisturizing effects of vehicles with the sophorolipids were tested. The skin turnover time of aqueous solution with 0.25% sophorolipids was similar to that of aqueous solution with 5.0% lactic acid. Higher moisturizing effects on skin showed as the concentration of sophorolipids increased. We suggest that the sophorolipids can be used for cosmetics as an antimicrobiological agent and an active materials of skin moisturizing and exfoliating.
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KEYWORD
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sophorolipids, antimicrobiological, exfoliating agents, moisturing, cosmetics
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