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    • 5. 发明公开
    • 리그난계 화합물, 레조시놀계 화합물 또는 이를 포함하는육두구 추출물을 함유하는 식물병 방제용 조성물 및 이를이용한 식물병 방제방법
    • 用于控制植物疾病的组合物,其包含Lignan化合物,RESORCINOL化合物或NUTMEG提取物以及使用其控制植物疾病的方法
    • KR1020070107853A
    • 2007-11-08
    • KR1020060040378
    • 2006-05-04
    • 한국화학연구원
    • 김진철최경자임희경장경수조광연
    • A01N65/08
    • A01N65/08A01N31/16A01N43/08
    • A composition comprising lignan-based compounds, resorcinol-based compounds or the extract of nutmeg(Myristica fragrans Houtt.) containing them is provided to control plant diseases including rice blast disease, tomato late blight, leaf rust, barley powdery mildew and anthracnose without harmful effect on human and environmental pollution. A composition for controlling plant diseases comprises 100 to 1000 mug/ml of lignan-based compounds represented by the formula(1) in which R1 and R2 are each independently OCH2O, OMe or C, nectandrin-B represented by the formula(2), or resorcinol compounds represented by the formula(3) in which R1 and R2 are each independently H or OH, or 100 to 3,000 mug/ml of the extract of nutmeg(Myristica fragrans Houtt.) containing them which is prepared by extracting nutmeg(Myristica fragrans Houtt.) with an organic solvent selected from methanol, ethanol, hexane, ethylacetate, acetone or methylene chloride, wherein the composition is applicable directly to crops or soil.
    • 提供包含木质素基化合物,间苯二酚类化合物或含有它们的肉豆蔻酸(肉豆蔻酸)的提取物以控制植物疾病,包括稻瘟病,番茄晚疫病,叶锈病,大麦白粉病和炭疽病,无害 对人类和环境污染的影响。 用于控制植物病害的组合物包含100至1000杯/ ml由式(1)表示的木脂素基化合物,其中R 1和R 2各自独立地为OCH 2 O,OMe或C,由式(2)表示的nectandrin-B, 或由式(3)表示的间苯二酚化合物,其中R 1和R 2各自独立地为H或OH,或含有它们的肉豆蔻肉豆蔻提取物(Myristica fragrans Houtt。)100至3,000mug / ml,其通过提取肉豆蔻(Myristica 具有选自甲醇,乙醇,己烷,乙酸乙酯,丙酮或二氯甲烷的有机溶剂,其中该组合物可直接用于作物或土壤。
    • 7. 发明公开
    • 항산화 활성을 갖는 오이 초본 추출물
    • 从CUCUMBER植物提取的抗氧化物质
    • KR1020070084933A
    • 2007-08-27
    • KR1020060017326
    • 2006-02-22
    • 한국화학연구원
    • 최정섭황인택김진철유주현임희경김진석김영삼조광연전재철
    • A61K36/42A61P17/18A61K8/97A61Q19/08
    • An extract of Cucumis sativus L. is provided to remove the toxicity of paraquat completely and show excellent active oxygen species(such as hydrogen peroxide, superoxide anion and hydroxyl radical) scavenging activity, thereby being used for an antioxidant composition. The antioxidant composition comprises an extract of Cucumis sativus L. as an effective ingredient. The method for preparing the extract comprises the steps of: (a) extracting Cucumis sativus L. with at least one solvent selected from the group consisting of methanol, ethanol, propanol, and chloroform and concentrating it under reduced pressure; (b) respectively fractionating the concentrate with hexane, ethyl ether, ethyl acetate, butanol and water; and (c) performing silica gel column chromatography, Sep-Pack C18 cartridge and HPLC in sequence on fractions obtained from the step(b).
    • 提供黄瓜提取物,以完全消除百草枯的毒性,并显示出优异的活性氧(如过氧化氢,超氧阴离子和羟基自由基)清除活性,从而用于抗氧化剂组合物。 抗氧化剂组合物包含作为有效成分的黄瓜提取物。 制备提取物的方法包括以下步骤:(a)用至少一种选自甲醇,乙醇,丙醇和氯仿的溶剂提取黄瓜,并在减压下浓缩; (b)分别用己烷,乙醚,乙酸乙酯,丁醇和水分离浓缩物; 和(c)按步骤(b)得到的级分依次进行硅胶柱层析,Sep-Pack C18柱和HPLC。