| 摘要 |
PURPOSE: A steamed green tea extract is provided to treat atopic dermatitis through a histamine test, and to develop a cosmetic product, a drug, and food for treating atopic dermatitis. CONSTITUTION: A composition for treating atopic dermatitis contains a hot water extract or an ethanol extract of steamed green tea, or a mixture thereof as active ingredient. The composition also contains the hot water extract, the ethanol extract, a hot water extract of non-streamed green tea, and an ethanol extract of non-steamed green tea in a weight ratio of 1:1:1:1. Green tea is steamed at 121 deg. C for 30-60 minutes(S120). [Reference numerals] (S110) Non-used green tea leave and stem preparing step; (S120) Steam pre-processing step; (S130) Hot water extracting or ethanol extracting step; (S140) Filtering step; (S150) Concentrating step; (S160) Freeze drying step |
