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KMID : 0604520110370010037
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Journal of the Society of Cosmetic Scientists of Korea
2011 Volume.37 No. 1 p.37 ~ p.42
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Rheological Characterization of Aqueous Scleroglucan Systems for Cosmetics
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Kim Do-Hoon
Lim Hyung-jun
Oh Seong-Geun
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Abstract
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The rheological properties of the aqueous solution of scleroglucan industrially produced by Sclerotium rolfsii at concentrations ranging from 0.1 % to 2 % (w/w) were determined by using brookfield viscometer and rheometer. Gel matrices of scleroglucans were stable over a wide range of pH and ionic strength in the aqueous medium. In the oil dispersion with phytosqualane in oil phase and three kinds of thickening agent in aqueous phase, scleroglucan showed the highest dispersion properties. The synergistic effect between scleroglucan and locust bean gum was also examined. The highest viscosity was obtained for the solution mixture at scleroglucan/locust bean gum weight ratio of 5 : 5. The results of this study suggest the potential of scleroglucan as thickner for a wide variety of cosmetic formulations.
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KEYWORD
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scleroglucan, locust bean gum, emulsion, thickner, rheology
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