COSMETIC COMPOSITION CONTAINING AN EXTRACT OF LESPEDEZA BICOLOR TURCZ., GLECHOMA HEDERACEA VAR. LONGITUBA NAKAI AND PORTULACA GRANDIFLORA HOOKER FOR ANTI-OXIDATIVE AND ANTI-INFLAMMATORY ACTIVITY

摘要

A cosmetic composition comprising an extract of a mixture consisting of Lespedeza bicolor Turcz., Glechoma hederacea var. longituba Nakai and Portulaca grandiflora Hooker is provided to have anti-oxidative and anti-inflammatory effects, thereby improving liver spots, freckles, acne, skin cancer and wrinkle formation. And a method for preparing the mixture extract is provided. The functional cosmetic composition comprises 0.001-5 wt.% of an extract of a mixture consisting of 20-60 wt.% of Lespedeza bicolor Turcz., 20-60 wt.% of Glechoma hederacea var. longituba Nakai and 20-60 wt.% of Portulaca grandiflora Hooker. The method for preparing the mixture extract comprises the steps of: (a) drying Lespedeza bicolor Turcz., Glechoma hederacea var. longituba Nakai and Portulaca grandiflora Hooker; (b) after adding 1-15 times amount of a solvent selected from the group consisting of water, C1-4 alcohol, a mixture of water and C1-4 alcohol and ethyl acetate regarding the mixture obtained from the step(a) into the mixture, extracting it at a temperature of 30-100 deg.C with heating for 3-48 hours and further precipitating it at a temperature of 5-30 deg.C for 1-5 days; and (c) concentrating the extract obtained from the step(b).