Abstract:
A composition containing a Rehmannia glutimosa Libosch as an active ingredient is provided to have cell protection from UV, inhibition of apoptosis, and tyrosinase activation suppression. A composition of external skin preparation for antiaging, whitening or keratin removement comprises a Rehmannia gultimosa Libosch extract which has antioxidation effect as an active ingredient. The extract is obtained using water, low alcohol of C1-4 or its mixture solvent, hexane, butyleneglycol, propyleneglycol, glycerin, acetic acid ethyl, ether, and chloroform. The composition is used in a form of cream, gel, patch, spray, ointment, lotion, liniment, pasta or cataplasma. A cosmetic composition for anti-aging, whitening or keratin removement comprises the Rehmannia gultimosa Libosch extract.
Abstract:
본 발명은 항산화 활성을 갖는 지황 추출물을 유효성분으로 함유하는 조성물에 관한 것으로, 본 발명의 지황 추출물은 활성산소종(ROS) 제거 효과, UV에 의한 세포보호 효과, 세포사멸 저해 효과, 티로시나아제 활성 저해 효과를 나타냄을 확인함으로써, 피부 노화방지, 미백 또는 각질 제거용 피부외용 약학 조성물 및 화장료 조성물로 이용될 수 있다. 지황, 활성산소종, 티로시나아제, 노화, 미백, 각질