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ID:31966263
大小:2.14 MB
页数:66页
时间:2019-01-29
《华中碎米荠化学成分与其质量标准的初步-.研究》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、conditionsincludingextractionmethod,extractionsolventanddevelopingagent,fina1lytheprogramiSsetwithsi1icagelGplate,chloroform—ethylacetate—methanol—water(15:40:22:10)placed10℃belowtoclarifythelowersolutionasdevelopingagent,spraying10%sulfuricacidinethanol,heatedtoaclearspotcolorat105℃,respecti
2、vely,setdaylightandUV1ight(365nm)toview.Theproductchromatography,andthecontroldruginchromatOgraphiccorrespondingplace,respectivelyshowthesamecolorofthespotorfluorescentspots.TheidentificationmethodisSimple,convenient,quick,Strongreproducibi1ityandtheresultsarerellable.Thecontentoftota1saponin
3、sinCardamineUrbaniana0.E.SchlziSdetectedbytheUV—ViSiblespectrophotometry.ThemethodtopreparesolutionofproductisdeterminedaftersearchofitSextractionmethod,solventmultiPles,thenumberofextraction.andextractiontime.With01eanoliCacidasreferencesubstance,thecontentoftotalsaponinsisdetectedbytheUV-vi
4、Siblespectrophotometryat547nmwavelength,meanwhilecorrespondingmethodologyinvestigationiScarrledout.Bymeasuringthefivebatchesofsamples,tentativelysetproductoftotaIsaponinsshouldnotbe1essthan1.81%.AccordingtothepharmacopoeiaofthePeople7SRepublicof2010versionofthemeasurementmethodoftheappendix,r
5、espectivelyexaminetheV01ati1eoi1content,moisture,tota1ashandacidinsolubleashofCardamine纷baniana0.E.Schlz.Thus,themethodisaccurate,reliable,reproducible,whichcanpre1iminaryestablishaqualityevaluationsystemofCardamineUrbaniana0.E.Schlz.ChemicalconstituentsandqualityStandardofCardamineVUrbaniana
6、0.E.Schlzaresystematica1lyinvestigated.Itisidentifled75volatilecompounds.OnthebasiSofaboveexperimentalresultS,qua1ityspecificationdraftandadditionalremarksdetai1edindraftwasworkedout.ItprovidestheSClentificbasesforthequalityof饧rdamine0.E.Schlz,anditestablishesacertainfoundationtodeepenitsStud
7、y.A11theseachievementsareofgreatSignificanceforrationa1developmentandutilizationof饧rdamineUrbaMann0.E.Sch1z.KeywordsCardamine0.E.SchIZ:ChemicaIconstituent:Qualitystandards:VoIatiIeconstituents:TotaIsaponinsVIO.E.Schlz)l均干燥根茎,具有特异性的香气,有止咳、化痰、活
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