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牡丹油微胶囊化技术研究(英文).docx

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牡丹油微胶囊化技术研究(英文) ResearchonMicroencapsulationTechnologyofPeonySeedOil 1.Introduction Peonyseedoil,derivedfromtheseedsofthepeonyflower,isknownforitsnumeroushealthbenefitsandhasbeenusedintraditionalmedicineforcenturies.Itisrichinunsaturatedfattyacids,vitamins,andantioxidants,makingitavaluableingredientinthepharmaceutical,cosmetic,andfoodindustries.However,theinstabilityandsensitivityofpeonyseedoiltoenvironmentalconditionssuchasheat,light,andoxygenposechallengesinitsstorage,stability,andapplication.Microencapsulationtechnologyhasemergedasapromisingsolutiontoovercometheselimitations.Thispaperaimstoexplorethecurrentstatusandadvancementsinthemicroencapsulationtechnologyofpeonyseedoil. 2.MicroencapsulationTechniques 2.1SprayDrying Spraydryingisawidelyusedtechniqueforthemicroencapsulationofvarioussubstances,includingoils.Inthisprocess,peonyseedoilisemulsifiedinawater-solublecarriermaterialbeforebeingsprayedanddried.Theresultingmicrocapsulesprovideprotectionagainstenvironmentalfactorsandcanbeincorporatedintodifferentformulations. 2.2Coacervation Coacervationisanothercommonlyemployedmethodforthemicroencapsulationofoils.Itinvolvestheformationofapolymer-richcoacervatephasearoundtheoildropletsthroughphaseseparation.Thecoacervatelayeractsasaphysicalbarrier,protectingthepeonyseedoilfromdegradation,oxidation,andotherexternalfactors. 2.3FluidizedBedCoating Fluidizedbedcoatingisatechniquethatinvolvesthesuspensionofsolidparticlesinafluidandthesubsequentdepositionofacoatingmaterialontheparticles.Thismethodallowsfortheencapsulationofpeonyseedoilwithathinlayerofapolymerorlipidmaterial,enhancingitsstabilityandfunctionality. 3.EncapsulationMaterials 3.1Biopolymers Biopolymerssuchasalginate,gelatin,chitosan,andstarchhavebeenextensivelyexploredasencapsulationmaterialsforpeonyseedoil.Thesebiopolymersarebiocompatible,readilyavailable,andcanprovideaprotectivebarrieragainstdegradationfactors.Additionally,theyoffercontrolledreleaseproperties,enhancingthebioavailabilityofpeonyseedoil. 3.2Lipids Lip