Nanocarrier of Artrocarpus lakoocha heartwood extract application for whitening agent in cosmetic

CNU IR > Pharmacy and Science > Dept. of Cosmetic Science and institute of cosmetic science > Dissertations and Theses > Item 310902800/30151

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题名:	Nanocarrier of Artrocarpus lakoocha heartwood extract application for whitening agent in cosmetic
作者:	PIYANAN, THUAMWONG
贡献者:	化粧品應用與管理系林維炤
关键词:	Artocarpus Lakoocha Roxb Oxyresveratrol antioxidant antityrosinase nanostructured lipid carrier
日期:	2016
上传时间:	2016-12-21 15:37:46 (UTC+8)
摘要:	In the last decade many research interest about encapsulation technology that can protect natural substance from photo-oxidation or degradation. It probably used in foods, medicine, cosmetic, agriculture and industry. In this research we interesting use oxyresveratrol which is extracted from Artocarpus Lakoocha Roxb. (AL) heartwood that is a perennial plant found mostly in Thailand. It was used for Thai traditional medicine. In our study extraction oxyresveratrol by using 95% ethanol. Oxyresveratrol was yield of 78.8% by HPLC investigated. In-vitro study was found the IC50 of antioxidation of crude extracted versus vitamin C were 63 and 28 μg/mL respectively (DPPH method). It was also found IC50 of anti-tyrosinase activities of crude extract higher than kojic acid 32 fold. In addition NLC were utilized for enhance stability of oxyresveratrol. The oxyresveratrol loaded NLC was prepared by hot high- pressure homogenizer at 500 bar, 5 cycles with various a surfactant. Investigation stability and physicochemical property of nanocolloid during storage was observed at 4 ?C 25 ?C and 45 ?C. The optimum formulation was used tween 80 as a surfactant to achieve efficiency for improving stability for oxyresveratrol than others. The mean particle size was approximately ? 200 nm with narrow dispersion, lower than 0.2 and zeta potential became less negative as -30 mV. The encapsulation efficiency was showed up to 90%. The result was conclude that this invention has ability for used as whitener in cosmetic.
關聯:	網際網路公開：2021-12-31，學年度：104，76頁
显示于类别:	[Dept. of Cosmetic Science and institute of cosmetic science] Dissertations and Theses

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