28885.紫椴地上器官化學(xué)成分的初步研究

1、UniversityCode：10225RegisterCode：09391DissertationfortheDegreeofMasterPrimaryStudiesonChemicalCompositionsofOvergroundOrganofTiliaamurensisCandidate：Supervisor：AcademicDegreeAppliedfor：Speciality：DateofOralExamination：Un

2、iversity：LiuLipingProfMuLiqiangMasterForestPlantofResourcesJune，2009NortheastForestryUniversityAbstractAbstractTiliaamurensisisal【indofloftydefoliatearborwhichbelongstoTiliaofTiliaceaeitsuseisextensiveanditseconomicvalue

3、ishigh，itbelongstothesecondrankpreserveZamurensisisalsooneofmainplantsforhoneyresourcesInthispaperthechemicalcompositionsinflowers，leaves，branchpeel，xylemandbarkweredetectedthroughsystemicpre—experiments，andpolysaccharid

4、es，sugarflavoneandtotalphenolcontentinflowers，leaves，branchpeel，xylemandbarkweredeterminedaccordingtotheresultsofpreexperimentsWedetectedpolysaccharides，glucosides，organicacid，hydroxybenzenesandcoumarinsinflowers，leaves，

5、branchpeel，xylemandbarkthroughsystemicpre—experimentsFlavonecompoundsweredetectedinflowers，leaves，branchpeelandbarkMoreovercardiacglycosideswerealsodetectedinflowers，leaves，branchpeelandbark—Thechangingupendofpolysacchar

6、idescontentwascoincidentwithsugar，andpresentedincreasingupendfromsamlpingtoflowersperoid，followingdecreasingThepolysaccharidesofleaves，branchpeel，barkandxylempresentedincreasinguptrendfluctuatedlyfromMaytoAugust，followin

7、gincreasingobviouslyThechanginguptrendofsugarcontentineachorganwascoincidentbasically、ⅣithpolysaccharidescontentThechangesofflavonecontentinflowersnotveryfluctuated，presentedincreasinguptrendcompletelyTheflavonecontentin

8、leavespresenteddecreasingupend，followingincreasing，theflovonecontentinbranchpeel，barkandxylemchangedfluctuatedlyfromMaytoAugust，butpresenteddecreasingupendfromSeptemberThetotalphenolcontentinflowerspresentedchangingupgen

9、dfluctuatedlythetotalphenolcontentheldthelinefromsamplingtotheendofsamplingThetotalphenolcontentinleavespresented“W’’changingupendfollowingdecreasingupgendintheearlytendaysofOctober，followingincreasingThetotalphenolconte

10、ntinbranch，barkandxylemchangedflucruatedlyinthegrowingdays，butpresentedincreasingupendafterthegrowingdaysThepolysaccharides，sugarflavoneandtotalphenolcontentinZamurensisflowerswereallhigherthanthatinleavesbranchpeel，xyle

11、mandbarkThepolysaccharidesinbarkWasthehighest(exceptJulyAugust)，followingthebranchpeel，leavesandxylemWasthelowestexceptflowersThesugarinleavesWasthehighestinJune，JulySeptemberfollowingthebranchpeel(exceptJuly)，andthebark

12、andxylemWasthelowest，thesugarwasthehighestinbranchpeelinAugust，NovemberandDecembeLandthebarkwasthehighestinMayandOctomberTheflavonecontentinleavesWasthehighestinJulySeptemberandOctobeLthebranchpeelWasthehighestinMayJune，