| 摘要 |
PURPOSE: A composition containing apple extract or compound isolated from the extract is provided to prevent environmental pollution and tomato late blight or anthracnose. CONSTITUTION: A composition for preventing rice blast, tomato late blight, phytophthora blight, or anthracnose contains Malus domestica fruit extract as an active ingredient. The composition for preventing the plant diseases contains a compound of chemical formula 1 as an active ingredient, isolated from the Malus domestica fruit extract. The Malus domestica fruit extract is isolated using low carbon number alcohol of 1-7 carbon atoms and solution thereof, hexane, acetone, chloroform, ethyl acetate, methylene chloride, or mixture thereof. |
