Abstract:
본 발명은 돈나무 열매 추출물, 돈나무 열매 추출물의 분획물, 또는 돈나무 열매로부터 분리될 수 있는 샤포닌 ⅢA 3 을 이용한 마그나포르테 그리세아에 의한 식물병 방제제 조성물과 마그나포르테 그리세아에 의한 식물병 방제 방법을 개시한다. 상기 돈나무 열매 추출물과 샤포닌 ⅢA 3 는 모두 마그나포르테 그리세아에 대해서 항곰팡이 활성을 보인다.
Abstract:
PURPOSE: A composition isolated from Pittosporum tobira Ait. fruit extract or saponin IIIA3 is provided to an antifungal activity against Pyricularia grisea. CONSTITUTION: A composition for preventing plant diseases caused by Pyricularia grisea contains Pittosporum tobira Ait. fruit extract, a fraction of the extract, and saponin IIIA3 as an active ingredient. The extract is prepared by dipping Pittosporum tobira Ait. fruits in a mixture solvent of water and ethanol. The plant diseases are caused in Oriza sativa, grass, mill, barley, or Barnyard millet. A method for preventing a plant disease caused by Pyricularia grisea comprises a step of contacting the composition to plants.
Abstract:
PURPOSE: An anti-plant disease composition is provided to ensure anti-fungal activity against Magnaporthe grisea. CONSTITUTION: An anti-plant disease composition which prevents plant disease caused by Magnaporthe grisea contains Lysimachia mauritiana Lamack extract, fraction of the extract, anagallosaponin IV, or anagallosaponin VIII as an active ingredient. The extract is prepared by dipping Lysimachia mauritiana Lamack in a mixture solvent of water and ethanol. The composition additionally contains agrochemically acceptable carrier, wetting agent, dispersion agent, anti-freezing agent, thickening agent, or preservative. A method for preventing plant disease caused by Magnaporthe grisea comprises a step of contacting a plant with the composition.
Abstract:
본 발명은 갯까치수영 추출물, 갯까치수영 추출물로부터 분리한 아나갈로사포닌 Ⅳ, 아나갈로사포닌 Ⅷ 또는 아나갈리신 C를 이용한 마그나포르테 그리세아에 의한 식물병 방제제 조성물과 마그나포르테 그리세아에 의한 식물병 방제 방법을 개시한다. 상기 갯까치수영 추출물과 아나갈로사포닌 Ⅳ, 아나갈로사포닌 Ⅷ 및 데스글루코나갈로시드 B는 모두 마그나포르테 그리세아에 대해서 항곰팡이 활성을 보인다.
Abstract:
PURPOSE: A composition containing Humulus japonicus plant extract and Quercus acuta leaf extract is provided to suppress mast cell degranulation and to treat atopic dermatitis. CONSTITUTION: A composition for treating atopic dermatitis contains Humulus japonicus plant extract and Quercus acuta extract as an active ingredient. The extract is: extract obtained by extracting with alcohol of 1-5 carbon atoms, acetone, hexane, ethyl acetate, chloroform, dichloromethane, water, or mixture solvent; extract obtained using water, ethanol, or mixture solvent thereof; extract of a fraction solvent layer obtained by fractioning the extract with water and hexane, water and dichloromethane, water and ethyl acetate, or water and butanol; or extract obtained by suspending solid extract and fractioning with hexane, dichloromethane, ethyl acetate, and butanol in order. The composition is a cosmetic composition or pharmaceutical composition.