褪黑素对成熟芒果采后低温贮藏生理生化的影响

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中图分类号：S667.7 文献标志码：A 文章编号：2096-9902（2026）04-0020-05

Abstract：Inthisstudy，theefectsofmelatoninonthephysiologyandbiochemistryofpost-harvestmaturemangounderlow temperaturestoragewereinvestigated.Inordertoinvestigatetheeffectofmelatoninonthestoragequalityofmaturemangoesat lowtemperature，melatonintreatmentandcontrolgrouptreatmentweredesigned.Melatoninsolutionandsterilewaterwere sprayed on the surface of mature mangoes and dried，and stored at 8°C constant temperature incubator. The physiological and biochemicalindexeswere measuredevery3daystoexploretheefectofmelatoninonthestoragequalityofmaturemangoesat lowtemperature.Theresultsshowedthatthechillnginjuryindexincreasedslowlywiththeextensionofstoragedays.Theoveal chillnginjuryindexofthetreatmentgroupwaslowerthanthatofthecontrolgroup，andtherewasasignificantdiferenceafter 15days.Theweightlossrateofthecontrolgroupshowedtwopeaks，whiletheweightlossrateofthetreatmentgroupincreased slowly.Duringthewholestorageperiod，therespirationrateofthetreatmentgroupwassignificantlydiferentfromthatofthe controlgroup.Thesolublesugarcontentincreasedwiththeextensionof storagetime，andtherewasasignificantdiference betweenthetreatment groupandthecontrolgroupinthefirst6days.Thetitratableacidcontentdecreasedwiththeprolngation ofstoragetime.Inthefirst9daysofstorage，thetitratableacidcontentofthetreatmentgroupdecreasedslowly，andtheontrol groupdecreasedrapidly.Theascorbicacidcontentdecreasedcontinuouslywiththestoragetime，andtherelativedecreaseof the two groups was close to 50% within 18 days.The treatment group reduced the ascorbic acid content of mango at each storage stage，andthecontrolefectreachedthepeakinthemiddeofstorage.Thetreatmentgroupcouldefectivelyinhibitthe accumulationofMDAinmangoafterharvest，buttheregulationefectwasthemostsignficantinthemidlestageofstorage. Theresultsofthisstudyshowedthatmelatonintreatmenthadapreservationefectonmaturemangoandtheeffctwasmore significant in the first 9 days of treatment.

Keywords：melatonin; mango；low-temperature storage；physiological indicator; quality

芒果（Mangifeaindica L. ）属于漆树科芒果属，是常绿乔木果树，广泛分布于热带、亚热带国家和地区。（剩余6517字）