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KMID : 0604520110370040289
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Journal of the Society of Cosmetic Scientists of Korea
2011 Volume.37 No. 4 p.289 ~ p.295
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Development of a Solubilization Product Containing Oleanolic Acid with Hydrogenated Lecithin
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Pi Bong-Soo
Choi Dong-Won
Park Sung-Il
Nam Jin
Kim Youn-Joon
Han Sang-Hoon
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Abstract
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Recently, the number of customers who want natural cosmetics without petroleum originated cosmetic ingredients is increasing over the world, however, there are few natural cosmetics that claim functionality in the products. Because there are few functional cosmetic ingredients from nature and though so, it is very difficult to stabilize the final products manufactured by using those functional cosmetic ingredients in the long period. This study is on stabilization of oleanolic acid, insoluble anti-wrinkle cosmetic ingredients from nature, with hydrogenated lecithin in the solubilization product, aiming for developing a formulation of solubilization products which can be certified as organic cosmetics. In case of other synthetic solubilizers, they showed unstability at 45 ℃ within 2 ～ 3 days, however, for natural origin hydrogenated lecithin a stable product was made without particle size change during 4 weeks. The stability of oleanolic acid in the solubilization product was measured for 24 weeks at 25 ℃ and 40 ℃, both samples showed over 90 wt% value of the initial one, which can prove that oleanolic acid was stabilized in the product without any degradation. Also through clinical tests, the effect of moisturizing, anti-wrinkle, safety were confirmed.
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KEYWORD
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hydrogenated lecithin, oleanolic acid, stability, solubilization, anti-wrinkle
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