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논문 기본 정보

자료유형
학술저널
저자정보
안봉전 (대구한의대학교 화장품약리학과) 이진태 (대구한의대학교 화장품약리학과) 이창언 (대구한의대학교 화장품약리학과) 손준호 (대구한의대학교 화장품약리학과) 이진영 (대구한의대학교 화장품약리학과) 박태순 (대구한의대학교 화장품약리학과)
저널정보
한국응용생명화학회 Applied Biological Chemistry Applied Biological Chemistry 제48권 제3호
발행연도
2005.1
수록면
273 - 279 (7page)

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To develop cosmetics using Jindalae flowers (Rhododendron mucronulatum), the surface tensions of extracts were measured and the properties and stability of cream with extracts were investigated. The surface tension of 0.1% ethanol extract was 30.42 mN/m and that of distilled water was 72.2 mN/m. The surface tension of cream with 0.1% ethanol extract was similar to that of sample cream and the measured pH were weakly alkalic. The surface tension of 1% ethanol extract was the lowest value of 24.98 mN/m, the measured pH of cream with 1% ethanol extract was weakly acidic and the particle size of cream was stable. According to an oscillatory test, linear viscoelastic region was extended by adding of 1% water extract and 1% ethanol extract to cream, indicating that the cream had greater enhanced resistance for preserving inner structure as compared to outside stress. Besides, as a result of the diminished loss angle of ethanol extract cream, the elasticity of cream was increased more than that of sample cream and cream with 0.1% ethanol extract. In contrast, in the case of the increased loss angle of water extract cream, the viscosity of cream was increased. In conclusion, Rhododendron mucronulatum can be deliberated as a cosmetic material because 0.1% water and ethanol extracts showed efficacious physiological activities and cream with 1% extracts could extend linear viscoelastic region.

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