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- CONCLUSIONThe ethyl acetate extraction of Clematis manshurica Rupr has remarkable inhibitory effects on S_180 sarcoma in mice. [结论]东北铁线莲乙酸乙酯提取物对小鼠S180肉瘤的生长具有抑制作用.
- The antioxdant components were found in the ethyl acetate extract from stem of this plant. 从该植物茎乙酸乙酯的分离物中找到具有抗氧化活性的组分。
- Objective To investigate the antiarrhythmic effect of ethyl acetate extract of Radix Ginger(EAERG). 目的探讨干姜醋酸乙酯提取物的抗心律失常作用。
- Results:Four compounds isolated from the ethyl acetate extract of the stem bark were ident... 结论:4个化合物均为首次从该植物中得到。
- The results of antifungal activity showed that the ethyl acetate extraction and its fraction B, C, D inhibited the growth of Phytophthora infestans strongly. 瑞香狼毒乙酸乙酯萃取物及其分段物流分B、C、D对番茄晚疫病菌有较好的抑制活性,这为瑞香狼毒乙酸乙酯萃取物进一步开发为产品提供了毒理学依据。
- The toxicity of the ethyl acetate extraction of the root of Stellera chamaejasme and the antifungal activity against Phytophthora infestans were studied. 采用急性经口、眼刺激、皮肤试验方法,研究了瑞香狼毒乙酸乙酯萃取物的急性毒性作用,同时以番茄晚疫病菌为供试菌,研究了瑞香狼毒提取物的抑菌活性。
- Title: The analytical methods with qualitative fingerprint of ethyl acetate extract and quantitative measurement of caffeic acid in Taraxacum mongolicum Hand.Mazz. 关键词:蒲公英;咖啡酸;高效液相色谱;指纹图谱;乙酸乙酯部位
- Twenty-one compounds were obtained from the chloroform and ethyl acetate extraction through repeated silica gel colum chromatograph, preparative TLC, recrystalization and 19 compounds were identified by means of UV IR MS DEPT ~1HNMR ~13CNMR etc. 从四楞蒿氯仿部位、乙酸乙酯部位通过柱色谱、制备薄板、重结晶等方法分离得到了21个化合物,通过UV、IR、MS、DEPT、~1HNMR、~(13)CNMR等方法鉴定出其中的19个化合物,主要是黄酮类化合物,三萜类。
- Different extract of Eclipta alba with different methods have different hepatoprotective effect on injured liver induced by acetaminophen in mice,and the hepatoprotective of the ethyl acetate extract of Eclipta alba is the best. 提示采用不同的提取方法得到的墨旱莲提取物对醋氨酚诱发的小鼠急性肝损伤有不同程度的保护作用 ,其中以乙酸乙酯提取物的效果最显著
- Preparative high-speed counter-current chromatography (HSCCC) was used for the separation of calycosin and formononetin from the ethyl acetate extract of Astragalus membranaceus Bge. 采用高速逆流色谱法(HSCCC),以正己烷氯仿甲醇水组成二相系统作为固定相与流动相,对黄芪的乙酸乙酯粗提物进行了分离纯化。
- Methods:The effective petroleum ether extract and ethyl acetate extract parts preliminary were selected in vitro,then anticancer experiments in vivo were done by S180-mice and H22-mice models. 方法:体外初步筛选出的青天葵石油醚和乙酸乙酯活性部位,利用S180和H22小鼠模型进行了体内抗肿瘤试验。
- ConclusionIt is the first time that the petroleum ether extract and ethyl acetate extract of Nervilia foadii(Hance) Schltr. are proved to be the effective anticancer fractions in vitro. 结论首次确定了青天葵的石油醚和醋酸乙酯部分是体外抗肿瘤作用的有效部位。
- Methods: HPCE analysis was carried out on the ethyl acetate extracts of 18 Selaginella plants (from 11 species), using MECC separation model. 方法:采用HPCE的MECC的分离模式,对18个卷柏属植物样品的乙酸乙酯提取物进行测定。
- The antibacterial activities of ethyl acetate extracts with different concentration on Verticillium dahliae V43-1 was the best and the MIC was about 5 g/L. 不同浓度乙酸乙酯提取物对4种菌的抑菌效果表明;对棉花黄萎病菌V43-1的抑菌效果最好;最低抑菌浓度约为5 g/L.
- Conclusion: Ethanol and ethyl acetate extracts may possibly come from the effective conppnents of Herba Lysimachiae for anti-inflammation and Choleresis. 结论:乙酸乙酯提取部分可能是金钱草抗炎利胆的有效部位。
- The results showed that n-butanol extracts has strong scavenging activity to DPPH free radicals while ethyl acetate extracts was better to restrain the lard oxidation. 结果表明:正丁醇组分清除DPPH自由基能力较强,乙酸乙酯部分抗猪油氧化能力较强;
- The bioactivities of two different neem extracts(neem CO2 supercritical extracts and neem ethyl acetate extracts) against Diaphania indica were investigated. 摘要在室内测定了印楝两种提取物(印楝乙酸乙酯萃取和CO2超临界萃取)对瓜绢螟的生物活性。
- Rhynchosia volubilis Lour ethyl acetate extract 鹿藿醋酸乙醇提取物
- OBJECTIVE: To observe the antagonism effects of both alcohol and ethyl acetate extracts, monomer CA 1201 three components from Chinese herb Cissus assamica on endothelin 1 (ET 1) biological responses in vivo and in vitro. 目的:观察红背丝绸2种提取物和单体(CA?1201)对内皮素?1(endothelin?1,ET?1)生物效应的拮抗作用。 方法:用红背丝绸3种提取物对ET?1致小鼠急性死亡、血管收缩和升压作用的拮抗,探索用中草药拮抗ET的生物效应。
- For exploring if the Equisetum hiemale L. has antiangiogenic activity , here we have a test for ethyl acetate extracted from Equisetum hiemale L. on angiogenic activity using the method of chorio allantioc membrane. 为了探讨木贼(Equisetum hiemale L.;) 是否具有抗血管生成活性,采用鸡胚绒毛尿囊膜法(Chorio Allantioc Membrane CAM)对木贼乙酸乙酯萃取部分进行了抗血管生成活性实验。