Abstract:
PURPOSE: A method for isolating Broussonetia kazinoki extract is provided to ensure excellent skin whitening and high stability. CONSTITUTION: A method for preparing Broussonetia kazinoki extract comprises: a step of isolating Broussonetia kazinoki with a solvent at 50-100°C for 1-10 hours; a step of placing Broussonetia kazinoki extract at -5 to 25°C for 1-40 hours; and a step of crystallizing the Broussonetia kazinoki. The solvent is alcohol. The method further comprises a step of supporting the Broussonetia kazinoki extract in a carrier. The Broussonetia kazinoki extract is contained in 0.01-30 wt% based on the carrier. The method also comprises a step of using HSCCC(High speed counter current chromatography) of two phase solvents to prepare a skin whitening active ingredient, kazinol C.
Abstract:
본 발명은 노화된 피부에서 많이 생성되는 피부 부착단백질의 분해 산물들이 피부세포에서 콜라겐 분해 효소인 메탈로프로티아제(metalloprotease)의 발현을 증가시키는 사실로부터 부착단백질의 분해 억제를 통해 메탈로프로티아제의 발현을 막을 수 있는 카텝신 G 저해제를 함유하는 피부노화 방지용 피부외용제 조성물 및 상기 카텝신 G 저해제, 즉 항노화 물질을 개발하기 위한 스크리닝 방법에 대한 것으로서, 피부세포의 부착력 증가 및 부착 단백질의 분해억제를 통해 메탈로프로티아제의 발현과 활성을 막아 피부노화 방지, 피부 주름살 증가 억제, 탄력성 증가 및 피부 처짐 방지 개선물질 개발을 할 수 있는 새로운 스크리닝 방법의 개발에 관한 것이다. 부착단백질*파이브로넥틴*카텝신 G*주름개선*탄력개선*피부처짐*피부노화
Abstract:
PURPOSE: A skin external composition containing ginseng seed oil or ginseng seed skin extract is provided to ensure skin improvement effect without side effects. CONSTITUTION: A skin external composition contains ginseng seed extract as an active ingredient. The ginseng seed extract is 0.001-100 weight% of ginseng seed oil or 0.001-10 weight% of ginseng seed skin extract. A method for extracting ginseng seed skin comprises: a step of pulverizing dried ginseng seed and placing the ginseng seed at room temperature in hexane organic solvent to remove oil from the ginseng seed; a step of placing the remaining ginseng seed skin in organic solvent containing water or organic solvent at room temperature; and a step of filtering extract and concentrating.
Abstract:
A composition for skin external application containing green tea flower essential oil is provided to protect skin cell, to improve wrinkle, to suppress deterioration of skin elasticity and pigmentation and to remove active oxygen species. A composition for skin external application comprises green tea flower essential oil to active ingredient. The green tea flower essential oil is a green tea fragrance component obtained through a steam distillation after extracting a solvent of the green tea flower. The green tea flower fragrance component contains 4,8-dimethyl-1,3(E), 7-nonatriene and Syringa vulgaris alcohol.
Abstract:
A composition for external application for skin is provided to remove an active oxygen species(ROS) generated by an ultraviolet ray by containing green tea flower extracts, to protect skin cell by controlling minute inflammations generated by an outside stimulus, to delay skin aging, to suppress generation of wrinkle and deterioration of skin elasticity and to reduce pigmentation. A composition for external application for skin contains green tea flower extracts. The green tea flower extracts contains a fragrance component of the green tea flower which is a green tea flower essential oil containing an E-4,8-dimethyl-1,3,7-nonatriene and a lilac alcohol. The composition for skin external application is selected from a group consisting of Epigallocatechin gallate, gallocatechin gallate, catechin gallate, Theanine, kaempferol, green tea catechin extracts and a green tea extract.
Abstract:
A skin external application composition comprising an extract of ginseng fruits is provided to promote collagen generation and show MMP-1 inhibitory effect, anti-oxidative effect and DNA damage protecting effect, thereby capable of inhibiting skin aging and improving wrinkles. A skin external application composition comprises an extract of ginseng fruits, wherein the extract is prepared by drying flesh and pericarp of the ginseng fruits obtained by removing seeds from the fruits in the sun or hot-air drying the flesh and pericarp and then extracting the dried flesh and pericarp with water or ethanol.