Abstract: Disclosed are powders or extracts of plant leaves with anti-obesity effects and anti-obesity foods comprising them, and more particularly, anti-obesity food compositions comprising powders or extracts of one or more selected from group consisting of persimmon (Diospyros KakI Thunb.) leaves, buckwheat (Fagopyrum esculentum) leaves, Chinese matrimony vine (Lycium chinense) leaves, endive (Cichorium endivia) leaves, and ginseng (Panax ginseng). Also disclosed are compositions comprising plant extracts or powders to reduce the weight of animals or humans, and more particularly, boiling water extracts of persimmon leaves, buckwheat leaves and Chinese matrimony vine leaves and persimmon leaf powder, buckwheat leaf powder and Chinese matrimony vine leaf powder were prepared and administered to animals or humans to confirm the effects of reduction of their weight and then health foods comprising the extracts or powders are produced.

Abstract: The present invention is related to food for preventing fatness and hyperlipidemia, which shows prominent effects capable of providing food excellent for preventing fatness and hyperlipidemiaby preparing powders or mixed powders, boiling water extracts or ethanol extracts of plants containing plenty of bioflavonoid substances, polyphenolic substances or diet fibers, and then treating meats products, processed meats products or dairy products with those preparation.

Abstract: According to the invention, there is provided a novel 3,4-dihydroxyhydrocinnamic acid derivative, designated DHH105, having blood glucose lowering effects in vivo as a result of the enhancement of glucose transport mediated by the increase of insulin receptor signaling. This invention thus relates to a 3,4-dihydroxyhydrocinnamic acid derivative useful as an anti-diabetic agent, represented by the following formula I: or pharmaceutically acceptable salts thereof, to a method for preparing the compound, and to a composition for treating diabetes comprising the same as an active ingredient.

Abstract: According to the invention, there is provided a novel 3,4-dihydroxyhydrocinnamic acid derivative, designated DHH105, having blood glucose lowering effects in vivo as a result of the enhancement of glucose transport mediated by the increase of insulin receptor signaling. This invention thus relates to a 3,4-dihydroxyhydrocinnamic acid derivative useful as an anti-diabetic agent, represented by the following formula I: or pharmaceutically acceptable salts thereof, to a method for preparing the compound, and to a composition for treating diabetes comprising the same as an active ingredient.

Abstract: The present invention is related to powder or extracts of plant leaves with anti-obesity effects and anti-obesity food comprising them and more particularly, anti-obesity food compositions comprising powder or extracts of one or more selected from group consisting of persimmon leaves, buckwheat leaves, Chinese matrimony vine leaves, endive leaves, and a ginseng.