您要查找的是不是:
- monocyclic sesquiterpene 单环单萜
- Progress in studies on sesquiterpene lactones from Xanthium L. 苍耳属中倍半萜内酯的研究进展。
- The development of xylem is of mesarch.Stomata are monocyclic type. 叶脉、叶柄、上胚轴的维管束均为外韧型。
- Monocyclic compounds yield is up to 95% as bicyclic comp... 当双环裂解率达70%25时,单环收率仍可达95%25。
- Microcystins are monocyclic heptapeptides produced by Microcystins aeruginosa. 微囊藻毒素(Microcystins,MC)是一类主要由Microcystins aeruginosa产生的单环七肽毒素。
- Three novel dimeric sesquiterpene lactones from Ainsliaea macrocephala. Zhang Wei-dong(通讯作者);et al.
- Gossypol is a kind of sesquiterpene, which generally exist in the gossypol gland. 棉酚是一种存在于棉酚腺体的倍半萜烯类化合物。
- This toxin is a class of monocyclic heptapeptides with many different isomerides. 该毒素是一类具有多种异构体的环状多肽物质。
- The results showed that sesquiterpene cyclase gene was induced to express by elicitation of CuCl2. 结果表明,Cu2+能诱导辣椒叶片表达倍半萜环化酶活性,酶活性的表达与相应的基因转录有关。
- Survey in studies on chemical constituents of sesquiterpene and their physiological activities in plants of Helianthus L. 向日葵属植物倍半萜类化学成分及其生物活性研究概况。
- Artemisinin is a sesquiterpene lactone compound extracted from sweet wormwood Artemisia annua L,which contains the specific endoperoxide bridge. 青蒿素是从菊科植物黄花蒿叶中提取分离到的一种具有过氧桥结构的倍半萜内酯类化合物。
- Most antifeedant secondary plant compounds fall into one of four categories:sesquiterpene lactones,isoflavonoids,quassinoids,limonoids. 大部分植物源拒食性次生性化合物可以分为倍半萜烯内酯类、异黄酮类、苦木素类和柠檬苦素类化合物4大类。
- TerisAVanBeek,Paul Maas,BonnieMKing,et al.Bitter Sesquiterpene Lactonesfrom Chicory Roots[J].Agric Food Chem,1990,38:1035. 何轶;郭亚健;高云艳.;菊苣根化学成分研究[J]
- Artemisinin is an endoperoxide of the sesquiterpene lactone.The structure of this compound is too complex to be synthesized effectively. 青蒿素是倍半萜烯的一种内过氧化物,这种物质由于其极复杂的结构,因此很难被有效合成。
- AIM: To research the processed products of Rhizoma Atractylodis Macrocephalae at the level of sesquiterpene lactones from it. 目的:以白术内酯系列物对白术炮制品进行质量标准的研究。
- METHODS: Sesquiterpene lactones were separated by the silica gel column and layer preparation, and the active substances were determined by HPLC. 方法:以硅胶柱层析结合薄层制备的方法,分离白术内酯等对照品,以HPLC法测定白术中活性成分的含量。
- Microcystins, a common algal to xinineutrophicated freshwater body, is a group of monocyclic heptapeptides with many different isomerides. 摘要微囊藻毒素是富营养化淡水水体中最常见的藻类毒素,它是一类具有多种异构体的环状多肽物质。
- New Eremophilanoid Sesquiterpene from Senecio Oldhamianus Hua Yang , QiXiu, Zhu, ZhongJian, Jia. Chin.Chem.Lett. 2002 , 13, 139. 千里光中四个新倍半萜的结构杨华王春明贾忠建师彦平化学学报2001,59,1686.
- OBJECTIVE:To study the effect of sesquiterpene lactones(SLs),the active ingredient of chrysanthemum,on the mitochondrial function of NPC cell and activating passage of caspase. 目的:研究菊花活性成分倍半萜烯内酯(SLs)对人鼻咽癌细胞中线粒体功能和半胱天冬酶活化途径的影响。
- Sesquiterpene compounds are main components in the Eupatorium genus.This paper reviews about 200 sesquiterpene compounds isolated from 46 species of Eupatorium genus. 倍半萜化合物是菊科泽兰属植物中的一类主要化学成分,迄今从该属46种植物中共分离鉴定了近200余个倍半萜化学成分。