Abstract:
A method for preparing an icariside II is provided to obtain the icariside II which inhibits synthesis of tyrosinase by inhibiting the enzymatic activity of alpha-glucosidase, an important enzyme for glycosylation of the tyrosinase. A method for preparing an icariside II represented by the formula(1) comprises a step of extracting an Epimedium sp. plant such as Epimedium brevicornum Maxim., Epimedium grandiflorum Morr., Epimedium koreanum Nakai, Epimedium pubescens Maxim., Epimedium sagittatum Maxim. and Epimedium wushanense with an organic solvent such as ethanol, methanol, butanol, ether, ethylacetate and chloroform or a mixture of the organic solvent and water. In the formula(1), R1 is rhamnopyranose. A skin whitening composition comprises the icariside II as an effective ingredient.
Abstract:
A skin whitening cosmetic composition comprising an extract of Oldenlandia Diffusa Willd is provided to be stable to human skin and also provide excellent whitening effect by inhibiting the melanogenesis. A skin whitening cosmetic composition comprises an extract of Oldenlandia Diffusa Willd stabilized by nano-liposome having a particle diameter of 50-300 nanometers as an effective ingredient. The content of the Oldenlandia Diffusa Willd is 0.001-50 wt.% regarding the total weight of the composition.
Abstract translation:本发明提供一种含有奥氏假丝酵母提取物的皮肤美白化妆品组合物,以对人体皮肤稳定,并通过抑制黑素生成而提供优异的美白效果。 皮肤美白化妆品组合物包含通过纳米脂质体稳定的具有50-300纳米粒径的有效成分的Old of an提取物。 对于组合物的总重量,Oldenlandia Diffusa Willd的含量为0.001-50重量%。
Abstract:
A complex powder containing mogeoseog as a rock, a preparation method thereof, and a cosmetic composition containing the same complex powder are provided to enhance use feeling and improve color of mogeoseog, so that useful effects of mogeoseog emitting far-infrared rays and improving blood circulation are able to be applied to cosmetics. The complex powder containing mogeoseog is prepared by adhering the mogeoseog to spherical powder selected from silica, titan dioxide, polymethylmetacrylate, nylon and cellulose, or plate type powder selected from talc, sericite, mica and cerium oxide. The preparation method of the complex powder containing mogeoseog comprises the steps of: (i) adhering the mogeoseog powder to the surface of the spherical or plate type powder by using silicon derivative binder in solvent to prepare a complex; and (ii) pulverizing the complex with a rotary ball mill, wherein the binder is bishydroxyethoxypropyl dimethicone, cetyl PEG(polyethylene glycol)/PPG(polypropylene glycol)(10/1) dimethicone or dimethyl siloxane methyl(polyoxyethylene)-siloxene copolymer bishydroxyethoxypropyl dimethicone.
Abstract:
본 발명은 캄페롤을 유효성분으로 함유하는 피부 미백용 화장료 조성물에 관한 것으로, 상기 캄페롤은 캄페롤 배당체로부터 산, 염기, 효소, 또는 상기 효소를 생산하는 미생물을 이용한 분해반응을 통해 캄페롤을 분리시켜 얻어진 것으로, 상기 캄페롤 배당체는 식물류, 특히 녹차 유래인 것으로, 캄페롤 함량이 90%이상인 것을 특징으로 한다. 본 발명에 의한 상기 캄페롤은 멜라닌 생성을 억제하고, 자외선(ultraviolet rays; UV)에 의해 생성된 색소 침착을 개선하는 효과를 나타내므로, 상기 캄페롤을 함유하는 조성물은 피부 미백용 화장료 조성물로서 유용하게 사용할 수 있다. 녹차, 캄페롤, 배당체, 산, 염기, 효소, 미생물, 녹차, 멜라닌, 자외선, 색소, 미백, 화장료.
Abstract:
본 발명은 하기 화학식 1로 표시되는 세사몰 유도체 및 그의 제조방법에 관한 것이다. 보다 상세하게는, 상기 세사몰 유도체는 세사몰과 아다만탄올을 1 : 1.0~1.3의 당량비로 산조건에서 반응시킨 후, 극성용매에서 재결정하여 제조한다.
상기 유도체는 강력한 항산화력을 갖는 물질로서 유해 활성산소에 의하여 손상된 피부의 회복 및 예방에 쓰일 수 있고, 생체막의 노화를 방지할 수 있으며, 불포화지방산 및 그 유도체의 과산화물 생성을 억제할 수 있다. 세사몰유도체 * 항산화 * 과산화 * 아다만탄올 * 세사몰
Abstract:
A cosmetic composition comprising the extract of Equisetum arvense L. as an effective ingredient is provided to promote growth of keratinocytes, remove reactive oxygen species, increase biosynthesis of procollagen type 1 by reducing biosynthesis of MMP-1(matrix metaloproteinase-1), and inhibit aging. The cosmetic composition for promoting growth of keratinocytes, removing reactive oxygen species, increasing biosynthesis of procollagen type 1 by reducing biosynthesis of MMP-1, or inhibiting aging comprises the extract of Equisetum arvense L. and at least one extract selected from Lonicera japonica Thunberg extract, Prunus armeniaca extract, Plantago asiatica extract and Coix lacryma-jobi extract, wherein the amount of the medicinal herb extract is 0.0001 to 25 wt.% based on the total weight of the composition; the medicinal herb extracts are prepared with water; and the composition further comprises 1,3-butyleneglycol.
Abstract:
A method for preparing a surface-modified powder with water-repelling thin layer on the surface of organic or inorganic particles is provided to form a thin-film coating layer on the surface of the powder through physicochemical vapor reaction using a water-repellent having a high boiling point. The method comprises the steps of: (a) crushing powder to be subjected to the surface modification into particles having uniform particle size; (b) absorbing evaporated coating materials from the surface of the particles having uniform particle size using a water-repellent such as acryl silicone-based compounds and branched alkyl silicone compounds; and (c) modifying the surface of the particles with a compound including double bonds such as alkene or siloxane having a vinyl group as a terminal group. In the step(b), an alkyl silane is further added to the water-repellent.
Abstract:
본 발명은 피부에 적용되었을 때 각질층의 수분 유지 능력을 향상시키며, 특히 건조환경에서도 높은 보습력을 보이는, 하기 화학식 1로 표시되는 펜타에리스리톨 유도체 및 이의 제조방법, 그리고 이를 포함하는 액정베이스에 관한 것이다.
(상기 식에서, R은 서로 동일하거나 다른 수소 또는 히드록시기를 포함하거나 포함하지 않는 탄소수 1 내지 24개의 포화, 불포화 및 직쇄, 분지쇄를 포함하는 알킬기이고; n은 1 내지 10의 서로 동일하거나 다른 정수이며; a, b, c 및 d의 총합은 0 내지 40의 정수이다.) 펜타에리스리톨 유도체*건조환경*수분유지능력*보습력*액정베이스
Abstract:
PURPOSE: Provided is a skin whitening cosmetic composition which contains rhaponticin and rhapontigenin as an active ingredient. Therefore, the composition has high skin absorption and inhibits the synthesis of melanin. CONSTITUTION: A skin whitening cosmetic composition is characterized by containing, based on the total weight of the composition, 0.0001-10 wt.% of one of rhaponticin and rhapontigenin which are extracted from Rheum coreanum Nakai.