COMPOSITION FOR TREATING ATOPIC DERMATITIS COMPRISING EXTRACT FROM LEAF OF ACER GINNALA OR FLAVONOL GALLOYL GLYCOSIDE COMPOUND ISOLATED FROM THE SAME

摘要

PURPOSE: A composition containing Acer ginnala leaf extract or quercetin-3-O-(2"-galloyl)-alpha-L-rhamnopyranoside is provided to relieve dermatic lesion and to reduce IgE and Th2 cytokine level. CONSTITUTION: A composition for preventing or treating atopic dermatitis contains Acer ginnala leaf extract as an active ingredient. The extract is isolated using water, anhydrous or hydrous low carbon number alcohol of 1-4 carbon atoms, acetone, ethyl acetate, butyl acetate, or 1,3-butylene glycol. The composition is a pharmaceutical composition for preventing or treating atopic dermatitis. A composition for preventing, treating or relieving atopic dermatitis contains quercetin-3-O-(2"-galloyl)-alpha-L-rhamnopyranoside of chemical formula 1 as an active ingredient.