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1、中國(guó)農(nóng)業(yè)科學(xué)院碩士學(xué)位論文高速逆流色譜分離制備無(wú)花果葉和長(zhǎng)松蘿中主要活性成分的研究姓名:遲春艷申請(qǐng)學(xué)位級(jí)別:碩士專業(yè):農(nóng)產(chǎn)品加工與貯藏工程指導(dǎo)教師:石波20080601AbstractInthispaperlightpetroleum(bp:60℃90℃)wasusedtoextractFicuscaricaLleavesandUsnea10ngissima,andthenevaporatedtogetthecrudeextractHi

2、gh—speedcountercurrentChromatography(HSCCC)wasappliedfortheisolationandpurificationofpsoralenandbergaptenfromtheplantFicuscaricaLleavesforisolationandpurificationofusnicacidfromUsnea10ngissimaThetwophasesolventsystemfors

3、eparatingpsoralenandbergaptenfromtheplantFicuscaricaLleavesbyHSCCCwasnHexaneethylacetatemethanol—water(1:1:1:1,v/v)。ThetwophasesolventsystemforseparatingusnicacidfromUsnea10ngissimabyHSCCCwasnHexaneacetonitrile—ethylacet

4、ate—water(8:7:5:08v/v)20ml/minflowrateand800rpmrevolutionspeedwerethebestoptimumconditionsforFicuscaricaLleaves’purification15ml/minflowrateand600rpmrevolutionspeedwerethebestoptimumconditionsforUsnea10ngissima’Spurifica

5、tion44mgofpsoralenand2。1mgofbergaptenwereobtainedfrom200mgofF/cuscaricaLleavescrudeextractinonestepseparation112mgofusnicacidwasobtainedfrom25mgofUsnea10ngissimacrudeextractThepuritiesofpsoralenbergaptenandusnicaciddeter

6、minedbyHPLCwhichindicatethatpsoralenat991%bergaptenat982%purityandusnicacidabove99%Thestructuresofpsoralenbergaptenandusnicacidwereidentifiedby1HNMR,13C—NMRandMSThecrudeextractsofFicuscaricaLleavesby80%ethanolandUsnea10n

7、gissimabylightpetroleum(bP:60℃一90。C)wereusedtofeedlittlemice,themice’SgrowthperformancewasstudiedTheresultsindicatedthatthecrudeextractofFicuscaricaLleaveswasinnocuousLDsowas149439/kg50g/kgddosagecangentlypromotethegrowt

8、hofmalemice,buthavenoeffectonfemalemiceAlldosagesofthecrudeextractofFicuscaricaLleaveshavenoeffectsondailyfeedintakesofrats50g&gddosageCanobviouslyincreasetheweightofmice’Sliver10eCkgddosagecanobviouslyincreasetheweighto

9、fmalemicethymus,butnoeffectonkidneyandspleenThecrudeextractofUsnea10ngissimawaslownoxious,LDsowas17669/kg10me#gdand50mgn(gddosagesCanobviouslyincreasetheweightofliulemalemice,andalsoCanpromotethegrowthoflittlefemalemice2

10、00mg/kgddosageCanrestrainthegrowthoflittlemaleandfemalemiceAlldosagesofthecrudeextractofUsnea10ngissimahavenoeffectsondaffyfeedintakesofrats10mg/kgd、50mg/kgdand200mg/kgdosagescanobservablyincreasetheweightofratliverespec

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