杜仲不同類型樹皮的組織結(jié)構(gòu)及化學(xué)成分的比較研究.pdf

1、河北農(nóng)業(yè)大學(xué)碩士學(xué)位論文杜仲不同類型樹皮的組織結(jié)構(gòu)及化學(xué)成分的比較研究姓名：石少瀾申請學(xué)位級別：碩士專業(yè)：植物學(xué)指導(dǎo)教師：董金皋黃璐琦20050613StudiesontheTissueandChemicalsofVariousTypes’barkofEucommiauimoidesOlivSpeeiality：BotanyMastercandidate：SHIShaolanSupervisor：DONGJin—gaoAbstractE

2、ucommiaulmoides0liviSoneofvaluableuniquespeciesonlydistributedinChinaandprotectedbythegovernmentItsbark，beingaChinesetraditionalmedicinehasbeenplayedaveryimportantroleinmedicalusesandhealthcareforthousandsofyearsAIthough

3、Eucommiaulmoidesissinglespecies，singlegenusandsinglefamily，varianceswerefc)undasthefourtypes’barkbynowincludingsmoothtype，superficialsplittingtype，deepsplittingtypeandchaptype，accordingtoliteraturereportandfieldsurveyWha

4、tisthedifferenceamongthefourtypes’barkFromthepointofviewofthetissuestructureandthecontentofmainlyeffectivecompositionsThispapermakedasystemiccomparingstudyonthefourtypes’barkinordert0providescientificfoundationforEucommi

5、aulmoides’varietalclassifingandchoicenessresearchThisexperimentmadepermanentolefinsliceupsofdifrcrenttypes’barkandobservedthemwithmicroscopeEvidentdifferenceiItlthethreetypesofsuperficialspliRing，deepsplittingandchaptype

6、sweren’tfound，butthesmoothbarkWasdifferenttotheothel“threetypesintwoaspectsFirstlydifierenceonthephellem：thepefidermofsmoothtypewasdistinctlythinnerthantheotherthreetypes’bark，itsnumberoflayerwasfew；thoseroughtypes’pefid

7、ermsuchassuperficialsplitting，deepspliRingandchaptypeWasverythickanditwascomposedoftheoldphellem，thenewphellemandthedecadencestructureWhichwaspressedbythetwolayersSecondlytherewasa1ittleofcollenchymawhosetexturewastighti

8、nsmoothtype’SendotheciumofPhellem；whiletllerewasalotofcollenchymawhosestructurewasroughandwhosetexturewaslooseninginroughtypes’endotheciumofphellem111esmoothtype’Speridermformingpathdidn’tliketheroughtypesOnthetimeofsmoo

9、thtype’SnewphellemformingtheolderphellemwouldbelosedandtheperidermwasonlycomposedofnewphellemAnd，Onthetimeofroughtypes’newphellemforming，theolderphellemwouldaccumulateTheperidermwascomposedofnewphellemolderphellemandtheC

10、OrtexwhichWaspressedbvbothnewandolderlayersofphellemItiSpresumedthatthebarkvarianceofEucommiaulmoidesiscausedbythehereditychangingThisexperimentstudiedtheHPLCmethodsforthedeterminationofChlorogenicacid，Aucubin，Pinoresino

11、ldiO—B—Dglucopyranoside，GeniposideandGeniposidicacidindifferenttypes’barkofEucommiaUlmoidesinthemajordistributionregion，andcomparedthefivemedicinalconstituents’contentsamongdifferenttype’SbarkofEueommiaUlmoidesTheamounto