保鲜与加工StorageandProcess2023，23（0）：00-00加工研究2023，23（6）：10-16保鲜与加工StorageandProcess精油熏蒸复合二氧化碳气调对黄曲霉菌抑制效果的初步研究颉宇，祁智慧，刘秋实，石天玉，张忠杰*（国家粮食和物资储备局科学研究院，粮食储运国家工程研究中心，北京100037）摘要：初步探讨了精油熏蒸在二氧化碳（CO2）抑制黄曲霉菌生长中的增效作用。通过监测黄曲霉菌菌落生长情况，评价了0.01μL/cm3精油气体与35%CO2、50%CO2和65%CO2气调包装结合的抑菌效果。结果表明，精油熏蒸可显著提升CO2单独气调的抑菌效果，处理6d时，花椒精油复合50%CO2气调样品的菌落直径较50%CO2气调样品小24%，花椒精油复合65%CO2气调样品的菌落直径较65%CO2气调样品小4%，但抑菌效果与精油成分和CO2体积分数相关，精油复合高体积分数CO2的抑菌效果普遍优于与低体积分数CO2复合。经鉴定，具有显著增效作用的山苍子精油、花椒精油和柠檬精油的主要挥发性物质为β-蒎烯、α-蒎烯和桧烯等。该研究结果为开发利用天然抑菌剂，改善气调包装，延长农产品贮藏期提供了基础。关键词：精油；二氧化碳；气调包装；黄曲霉菌PreliminaryStudyontheInhibitoryEffectsofEssentialOilsFumigationCombinedwithCarbonDioxideModifiedAtmospherePackagingonAspergillusflavusJIEYu,QIZhi-hui,LIUQiu-shi,SHITian-yu,ZHANGZhong-jie*（AcademyofNationalFoodandStrategicReservesAdministration,NationalEngineeringResearchCenterforGrainStorageandTransportation,Beijing100037,China）Abstract:Inthisstudy,thesynergiceffectsofessentialoilsfumigationcombinedwithcarbondioxide(CO2)modifiedatmospherepackagingoninhibitingthegrowthofAspergillusflavuswerepreliminarilydiscussed.Theantibacterialef⁃fectsof0.01μL/cm3essentialoilgascombinedwith35%CO2,50%CO2and65%CO2wereevaluatedbymonitoringthegrowthofA.flavuscolonies.Theresultsshowedthatessentialoilsfumigationcouldsignificantlyimprovethebacte⁃riostaticeffectsofCO2modifiedatmospherepackagingalone.Whentreatedfor6days,thecolonydiameterofpricklyashessentialoilcombinedwith50%CO2modifiedatmospheresamplewas24%smallerthanthatof50%CO2aircon⁃ditioningsample,andthecolonydiameterofpricklyashessentialoilcombinedwith65%CO2modifiedatmospheresamplewas4%smallerthanthatof65%CO2airco...
