富含淀粉中药贝母、山药中淀粉的研究

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1、⑧天洋大謦博士学位论文～级学科：化学工程与技术学科专业：应用化学作者姓名：王书军指导教师：高文远教授工0卓上出工TTI南脚．口白ABSTRACTTosearchforthenewstarcheswithnewanduniquepropertieshasbeenpaidmoreandmoreattentionwiththedevelopmentoffoodandpharmaceuticalindustries．Medicinalplantsbelongtoaspecialplantcolonieswhichh

2、avegoodtreatmentinthediseases．ManytraditionalChinesemedicines(TCM)suchasFritillaria,RhizomaDioscoreaandRadixPolygoniMultifloricontainstarchinthebulbusortherhizome．Thesestarcheshavealwaysbeenignoredanddiscardedafterthebioactiveingredientsareisolated，bywhich

3、themedicinalplantresourcescouldbewastedgreatly．Inordertounderstandthesemedicinalplantsbetterforthedevelopmentandutilizationofthesestarchesfrommedicinalplants，theresearchworkinthisthesishasbeenconductedwhichisconsistedofthefollowingcontents：1．Thestarchesfro

4、mninebulbusFJ哪illariawereisolatedandcharacterizedforthefirsttime．Physico—chemical，morphological，particlesizedistribution，thermal，crystallineandpastingpropertieswereevaluatedbyscanningelectronmicroscope(SEM)，laserlightscatteringparticleanalyzer(LLSPA)，diffe

5、rentialscanningcalorimetry(DSC)，X·raydiffiactometry(xRD)，andrapidviscoanalyzer(RVA)．ThedifferencesinthepropertiesofstarchesWal'eanalyzedindetail．2．ThestarchesfromtwelveRhizomaDioscoreacultivarswengisolatedandcharacterizedforthefirsttime．Physico-ehemical，mo

6、rphological，particlesizedistribution，thermal，crystallineandpastingpropertieswereevaluatedbyscanningelectronmicroscope(SEM)，laserlightscatteringparticleanalyzer(LLSPA)，differentialscanningcalorimetry(DSC)，X—raydiffractometry()(RD)，andrapidviscoanalyzer(RVA)

7、．Thedifferencesinthepropertiesofstarcheswereanalyzedindetail．3．ThegranulestructureofC-typeRhizomaDioscoreastarchwasstudiedbyhydrolysismethod．Theacid-thinnedstarchWascharacterizedbySEM，XRDandLLSPA．Theresultsshowedthatthecrystallinetypeofstarchcouldbechanged

8、fromC-typetoA—typeafterthestarchWashydrolyzedforcertaindays．Theamorphousareawaslocatedinthecentreofthegranuleswhichwassurroundedbythecrystallineregionsattheoutsideofthegranules．Theamorphousareaexistedinthecen