实时观测交变磁场对圣女果冷冻保鲜品质的影响梁超1,2,方草2,3,黄青1,2,3,*(1.中国科学院合肥物质科学研究院智能机械研究所,中国科学院强磁场与离子束物理生物学重点实验室,安徽合肥230031;2.安徽建筑大学环境与能源工程学院,安徽合肥230009;3.中国科学技术大学研究生院科学岛分校,安徽合肥230026)摘要:以圣女果为研究对象,探究不同交变磁场强度(0、796、1592、2388A/m)对圣女果冷冻过程中品质和冰晶生成状态的影响,旨在为其贮藏和品质保鲜提供合适参数。结果表明,在圣女果的冷冻过程中施加不同强度的交变磁场,可以明显改变冰晶生长的大小和数量,与对照组相比,试验组的整体外观品质均得到改善,其中最佳磁场强度范围为1592~2388A/m,频率为50Hz。关键词:交变磁场;圣女果;速冻;保鲜技术;品质;冰晶Real-timeObservationofEffectsofAlternatingMagneticFieldsonFreezingPreservationQualitiesofCherryTomatoesLIANGChao1,2,FANGCao2,3,HUANGQing1,2,3,*(1.CASKeyLaboratoryofHighMagneticFieldandIonBeamPhysicalBiology,InstituteofIntelligentMachines,HefeiInstitutesofPhysicalScience,ChineseAcademyofSciences,Hefei230031,China;2.SchoolofEnvironmentandEnergyEngineering,AnhuiJianzhuUniversity,Hefei230009,China;3.ScienceIslandBranchofGraduateSchool,UniversityofScience&TechnologyofChina,Hefei230026,China)Abstract:Inthiswork,theeffectsofdifferentalternatingmagneticfields(0,796,1592,2388A/m)onthequalitiesandicecrystalformationstatesofcherrytomatoesduringthefreezingprocesswereexploredtakingcherrytomatoesastheresearchobject,inordertoprovideappropriateparametersforthestorageandqualitypreservationofcherrytomatoes.Theresultsshowedthattheapplicationofalternatingmagneticfieldsduringthefreezingprocessofcherrytomatoescouldsignificantlychangethesizeandnumberoficecrystalgrowth.Comparedwiththecontrolgroup,theoverallappearancequalitiesoftheexperimentalgroupwereallimproved,andtheoptimalmagneticfieldstrengthrangewas1592~2388A/mwiththefrequencyof50Hz.Keywords:alternatingmagneticfield;cherrytomatoes;quickfreezing;preservationtechnologies;qualities;icecrystals基金项目:安徽省中央引导地方科技发展专项资金项目(S20200706050011)作者简介:梁超...