Abstract:
본 발명은 긴병꽃풀 정유를 포함하는 제초제 조성물에 관한 것으로, 더욱 상세하게는 긴병꽃풀 잎으로부터 추출한 긴병꽃풀 정유를 포함하는 제초제 조성물에 관한 것이다. 본 발명은 긴병꽃풀로부터 추출한 정유는 살초 활성을 지니고 있어 제초제 조성물로 사용할 수 있다. 긴병꽃풀, Glechoma hederaceae, 금전초, 연전초, 살초활성
Abstract:
An extract of Sicyos angulatus L. is provided to have excellent herbicidal activity, thereby being used as a herbicidal composition. The method for separating a herbicidal plant extract from Sicyos angulatus L. comprises the steps of: (a) extracting Sicyos angulatus L. with an organic solvent such as methanol, ethanol, propanol, butanol, and pentanol and then drying it; (b) dissolving the product obtained from the step(a) in dichloromethane to obtain a dichloromethane fraction; (c) subjecting the dichloromethane fraction to column chromatography using a mixture solution of hexane, dichloromethane, ethylacetate and methanol, wherein the volumetric ratio thereof is 4:1:6:0.5, to obtain a DA fraction having the herbicidal activity; (d) subjecting the DA fraction to column chromatography using a mixture solution of ethylacetate, dichloromethane, hexane and methanol, wherein the volumetric ratio thereof is 4:1:3:0.5, to obtain a DAB fraction having the herbicidal activity; and (e) subjecting the DAB fraction to column chromatography using a mixture solution of ethylacetate, hexane and methanol, wherein the volumetric ratio thereof is 9:1:0.1 to obtain a DABB fraction having the herbicidal activity.
Abstract:
본 발명은 다수의 식물바이러스 감염억제 활성을 나타내는 오배자 추출물을 포함하는 조성물에 관한 것으로, 토마토모자이크바이러스(ToMV), 오이모자이크바이러스(CMV), 고추마일드모틀바이러스(PMMoV), 쥬키니황반모자이크바이러스(ZYMV), 수박모자이크바이러스(WMV), 호박모자이크바이러스(WMV2), 감자바이러스 Y(PVY), 순무모자이크 바이러스 (TuMV), 오이녹반모자이크바이러스(CGMMV), 메론괴저반점바이러스(MNSV), 감자엽권바이러스(PLRV), 나리모자이크 바이러스(LMoV), 나리무병징바이러스(LSV), 오돈토그로솜링스포트바이러스(ORSV), 심비디움모자이크바이러스(CyMV) 등 RNA를 유전자로 가진 식물바이러스에 대하여 우수한 항바이러스 활성을 나타내는 오배자 추출물을 유효성분으로 함유하는 조성물에 관한 것이다. 본 발명에 따른 조성물은 천연물 유래의 물질로써 독성이 없으며, 다양한 식물바이러스에 대하여 탁월한 효과를 나타내므로, 식물바이러스 감염방제제로 유용하게 이용될 수 있다.
Abstract:
An herbicidal substance, elemicin, purified from Asarum sieboldii Miq. and a preparation method thereof are provided to serve a novel herbicide having different chemical structure compared with conventional herbicides, so that it will be a lead compound for development of new herbicides. The method for preparing the elemicin having herbicidal effects purified from Asarum sieboldii Miq. comprises the steps of: (a) extracting Asarum sieboldii Miq. with methanol and drying the extract; (b) dissolving the methanol extract of Asarum sieboldii Miq. in hexane to prepare a hexane fraction; (c) subjecting the hexane fraction to column chromatography using hexane-ethylacetate-methanol solution(5:1:0.1 v/v/v) to obtain HB fraction; (d) subjecting the HB fraction to column chromatography using hexane-ethylacetate-methanol solution(9:1:0.5 v/v/v) to obtain HBB fraction; (e) subjecting the HBB fraction to column chromatography using hexane-ethylacetate solution(5:5 v/v) to obtain HBBA fraction; and (f) subjecting the HBBA fraction to affinity column chromatography using methanol-acetonitrile solution(9:1 v/v) to obtain HBBAA fraction.
Abstract:
본 발명은 다수의 식물바이러스 감염억제 활성을 나타내는 오배자 추출물을 포함하는 조성물에 관한 것으로, 토마토모자이크바이러스(ToMV), 오이모자이크바이러스(CMV), 고추마일드모틀바이러스(PMMoV), 쥬키니황반모자이크바이러스(ZYMV), 수박모자이크바이러스(WMV), 호박모자이크바이러스(WMV2), 감자바이러스 Y(PVY), 순무모자이크 바이러스 (TuMV), 오이녹반모자이크바이러스(CGMMV), 메론괴저반점바이러스(MNSV), 감자엽권바이러스(PLRV), 나리모자이크 바이러스(LMoV), 나리무병징바이러스(LSV), 오돈토그로솜링스포트바이러스(ORSV), 심비디움모자이크바이러스(CyMV) 등 RNA를 유전자로 가진 식물바이러스에 대하여 우수한 항바이러스 활성을 나타내는 오배자 추출물을 유효성분으로 함유하는 조성물에 관한 것이다. 본 발명에 따른 조성물은 천연물 유래의 물질로써 독성이 없으며, 다양한 식물바이러스에 대하여 탁월한 효과를 나타내므로, 식물바이러스 감염방제제로 유용하게 이용될 수 있다.
Abstract:
An extract of Epimedium koreanum Nakai comprising fractions of EADBA, RADBB and EADBC is provided to show high herbicidal activity, thereby being applicable as a natural herbicidal agent. The method comprises the steps of: (a) extracting Epimedium koreanum Nakai with an organic solvent such as methanol, ethanol, propanol, butanol, and pentanol and then drying it; (b) dissolving the product obtained from the step(a) in ethylacetate to obtain an ethylacetate fraction; (c) subjecting the ethylacetate fraction to absorption column chromatography using a mixture solution of ethylacetate, dichloromethane, and methanol so as to obtain an EA fraction having the herbicidal activity; (d) subjecting the EA fraction to absorption column chromatography using a mixture solution of ethylacetate, dichloromethane, and methanol so as to obtain a EAD fraction having the herbicidal activity; (e) subjecting the EAD fraction to absorption column chromatography using a mixture solution of methanol, acetonitrile, and water to obtain a EADB fraction having the herbicidal activity; and (f) subjecting the EADB fraction to absorption column chromatography using a mixture solution of methanol and water so as to obtain a EADBA fraction, a EADBB fraction or a EADBC fraction having the herbicidal activity. The herbicidal composition comprises the extract obtained from the Epimedium koreanum Nakai.
Abstract:
PURPOSE: A composition containing a Quercus dentata gall extract is provided to prevent and treat viral infection in a plant with safety. CONSTITUTION: A composition for preventing viruses in a plant contains 0.5-99.9% of a Quercus dentata gall extract. A method for preparing the extract comprises: a step of adding an organic solvent to Quercus dentata gall, stirring at 35-45 deg.C. and 50-300 rpm for 12-48 hours or extracting by sonicatioin at 20-100 kHz; and a step of filtering and drying. The solvent is selected from methanol, ethanol, isopropanol, butanol, ethylene, acetone, hexane, ether, chloroform, ethyl acetate, butyl acetate, dichloromethane, N,N-methylformaide(DMF), dimethylsulfoxide(DMSO), 1,3-butylene glycol, and propylene glycol. [Reference numerals] (AA) Treated with KN0912; (BB) Treated with sterilized distilled water