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KMID : 0380020110260010083
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Korean Journal of Biotechnology and Bioengineering
2011 Volume.26 No. 1 p.83 ~ p.86
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Stability Evaluation of the Cosmetics Containing Lotus Leaf Extract
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Choi Sun-Ju
Kim So-Young
Jeong Yoon-Joo
Ku Chang-Sub
Ha Buung-Jhip
Chae Hee-Jeong
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Abstract
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The stability of cream containing lotus leaf extract (LLE) was evaluated. Stability pH and viscosity were measured at 3 different temperatures (25℃, 45℃ and 65℃), and at room temperature under the sun light at 2 day intervals during 12 days. The cleansing cream and foam cleansing containing the extract did not show a significant pH change at the different temperatures. However, the pH of the cleansing cream and foam cleansing containing LLE slightly decreased at 25℃. They showed a high stability at temperature conditions (45℃ and 65℃) and under the sun light condition. The cleansing cream and foam cleansing containing LLE did not show a significant viscosity change at 25℃, but had a tendency of decrease at 45℃ and 65℃. There was no significant offflavor and discoloration as well as physical changes such as creaming and cohesion at 25-65℃ and under the sun light condition. And this LLE could be used as a stable functional cosmetic material.
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KEYWORD
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lotus leaf, stability evaluation, cosmetics
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