学科分类
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2 个结果
  • 简介:现在的学习被设计从大戟属植物helioscopiaL的整个植物孤立并且评估混合物的抗菌剂活动...各种各样的色析法的技术被用来孤立并且净化混合物。混合物的结构在基础上被阐明光谱数据(1HNMR,13CNMR,1H-1H舒适,HSQC,HMBC,NOESY,红外,和HR-ESI-MS)。新jatrophone类型diterpenoid(14,15-diacetoxy-3-benzoyloxy-7-nicotinoyloxy-9-oxo-jatropha-5E,11E-diene),命名euphoheliosnoidE(1),从E的整个植物被孤立。helioscopiaL。对口头的病原体加重1项显示出的重要抗菌剂活动。

  • 标签: 药学 药剂学 调剂学 剂型
  • 简介:EuphorbiakansuiisacommonlyusedtraditionalChinesemedicineforthetreatmentofedema,pleuraleffusion,andasthma,etc.Accordingtothepreviousresearches,terpenoidsinE.kansuipossessvariousbiologicalactivities,e.g.,anti-virus,anti-allergy,antitumoreffects.Inthiswork,twentyfiveterpenoidswereisolatedfromE.kansui,includingthirteeningenane-andeightjatrophane-typediterpenoids(withtwonewcompounds,kansuininPandQ)andfourtriterpenoids.EighteenofthemwereanalyzedbyMTSassayforinvitroanticanceractivityinfivehumancancercelllines.Structure-activityrelationshipfor12ingenane-typediterpenoidsincolorectalcancerColo205cellswerepreliminarystudied.Significantanti-proliferationactivitieswereobservedinhumanmelanomacellsbreastcancerMDA-MB-435cellsandColo205cells.Morethanhalfoftheisolatedingenane-typediterpenoidsshowedinhibitoryactivitiesinMDA-MB-435cells.Eightingenane-andonejatrophane-typediterpenoidspossessedmuchlowerIC_(50)valuesinMDA-MB-435cellsthanpositivecontrolstaurosporine.Preliminarystructure-activityrelationshipanalysisshowedthatsubstituentonposition20wasimportantfortheactivityofingenane-typediterpenoidsinColo205cellsandsubstituentonposition3contributedmoresignificantbiologicalactivityofthecompoundsthanthatonposition5inbothMDA-MB-435andColo205cells.

  • 标签: TERPENOIDS ANTI-PROLIFERATION ACTIVITY Human cancer cells