Abstract: The present invention relates to compositions containing a pterosin compound and derivatives thereof as active ingredients for the prevention or treatment of degenerative brain diseases and, more specifically, to a pharmaceutical composition for the prevention or treatment of degenerative brain diseases and a food composition for the prevention or alleviation of degenerative brain diseases, each of which contains a pterosin compound defined by chemical formula 1 or a derivative thereof as an active ingredient. A method of the present invention can be favorably used to provide a therapeutic agent for preventing or treating degenerative brain diseases, a food for alleviating degenerative brain diseases, or a functional food for the promotion of cognitive functions, by using a pterosin compound extracted from Pteridium aquilinum and derivatives thereof.

Abstract: The present invention relates to a composition comprising osmundacetone or a pharmaceutically acceptable salt thereof for preventing or treating bone diseases. More specifically, the present invention relates to: a composition comprising osmundacetone, a pharmaceutically acceptable salt thereof, or an Osmunda japonica extract as an effective ingredient, for preventing or treating osteoporosis, rheumatoid arthritis, arthralgia, Paget disease, bone metastatic cancer, or fracture; a food composition for improvement; a use of a salt; and a treatment method.

Abstract: The present invention relates to a composition for treatment of obesity using a wheat bran extract or a tachioside or 9,12,13-trihydroxy-10(E)-octadecenoic acid, an active ingredient isolated therefrom. The wheat bran extract or the active ingredients inhibit the expression of PPAR?, C/EBR? and ADD1/SREBP1c, transcription factors which inhibit the differentiation of adipocyte progenitor cells to adipocytes, promoted by insulin, inhibit the accumulation of fats, and are centrally involved in the differentiation of adipocytes.