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KMID : 0604520130390010047
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Journal of the Society of Cosmetic Scientists of Korea
2013 Volume.39 No. 1 p.47 ~ p.54
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Preparation and Characterization of Dense Suspension of Aloe Gel Microcapsule
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Go Nam-Kyung
Lee Jin-Sil
Lee Shin-Young
Hur Won
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Abstract
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Aloe gel microcapsule was prepared by dehydrating dispersed aloe gel droplets in the form of W/O emulsion using a vacuum evaporator. The microcapsules remained in stable suspensions after washing with mineral oil and had a homogeneous spherical structure with diameter less than 6.4 μm. The microcapsule suspension in mineral oil (> 41%) exhibited a step increase in viscosity and shear?thinning but not showed thixotropic behavior with a yield stress higher than 300 Pa. The dense suspension appeared to be semi?solid as the microcapsule fraction increases and to be stable after heat treatment at 105 ℃ for 15 min. In conclusion, the dense suspension composed of gel microcapsules is expected to provide a basic cosmetic formulation that can be applied to develop various types of aloe gel cosmetic products.
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KEYWORD
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aloe gel, microcapsule, cosmetic formulation, suspension rheology, cream base
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