Abstract: Provided are compositions for preventing or treating cancer including Asarum maculatum Nakai extracts, or a fraction thereof. According to an aspect, an Asarum maculatum Nakai extract has an excellent anticancer efficacy against various cancers including diffuse-type gastric cancer, and a cancer treatment agent having an excellent effect may be developed by using the extract as an active ingredient.

Abstract: Provided are compositions for preventing or treating cancer, the compositions including Rubus longisepalus var. tozawai (Nakai) T.B.Lee extracts, or a fraction thereof as an active ingredient. According to an aspect, a Rubus longisepalus var. tozawai (Nakai) T.B.Lee extract has an excellent anticancer efficacy against various cancers including diffuse-type gastric cancer, and thus, a cancer treatment agent having an excellent effect may be developed by using the extract as an active ingredient.

Abstract: The present disclosure relates to a composition which comprises Centipede minima as an active ingredient. The composition of the present disclosure exhibits an effect of protecting neuronal cells from oxidative stress and inhibiting apoptosis of neuronal cells. In addition, the composition can increase expression of antioxidant enzymes which inhibit cellular apoptosis caused by increased oxidative stress in cells. Accordingly, the composition of the present disclosure can exhibit an effect of preventing, improving or treating secondary diseases that may be caused by apoptosis of neuronal cells due to oxidative stress and can be used as a pharmaceutical or food composition.

Abstract: A pharmaceutical composition and a food composition including extracts of Monsonia sp. for treating dementia, which compositions inhibit the formation of ?-amyloid, and a method of preparing the extracts.

Abstract: Composition and method for preventing and/or treating dementia and ameliorating memory impairment and/or improving memory, comprising one or more arylnaphthalene lignan derivatives, namely Justicidin A, 5-methoxyjusticidin A, Chinensinaphthol, and a pharmaceutically-acceptable salt thereof, as active ingredient.

Abstract: A method of preventing or alleviating alcohol hangover, which comprises administering one or more selected from the group consisting of Sophora flavescens extracts, dried products of the extracts, and concentrates of the extracts to a subject in need of preventing or alleviating alcohol hangover is provided.

Abstract: A composition for preventing and/or treating dementia and ameliorating memory impairment and/or improving memory, comprising one or more arylnaphthalene lignan derivatives, such as Justicidin A, 5-methoxyjusticidin A, Chinensinaphthol, and a pharmaceutically-acceptable salt thereof, as active ingredient.

Abstract: The present invention relates to a pharmaceutical composition for preventing and/or treating dementia comprising extracts of Monsonia sp.; a food composition for preventing and/or improving dementia comprising extracts of Monsonia sp.; and a method of preparing an extract of Monsonia sp. with excellent inhibitory effect on the formation of ?-amyloid. The plant extract can inhibit the formation of ?-amyloid which has been known as a factor causing the dementia, especially Alzheimer's disease, thereby being used for preventing, improving and/or treating the dementia.