Doi:10.120514942.2023.02.013Jun.2023JournalofHainormalUnivaturalSciencenan2023年6月Vol.36No.2海南师范自然科学版）第36卷第2期低温等离子体对养麦杀菌工艺优化王唯，赵武奇*，解梦梦，陈佩婷，吴妮（陕西师范大学食品工程与营养科学学院，陕西西安710119)摘要：为了研究低温等离子体对荞麦的杀菌效果，确定最佳杀菌工艺参数，以甜荞麦为原料，在单因素试验基础上，以处理时间和电压为因素，杀菌量和色差△E为评价指标，进行响应面中心组合试验，分析因子间交互作用，建立荞麦杀菌量和色差的回归模型。利用遗传算法进行综合优化，得出最佳杀菌工艺参数。结果表明低温等离子体对养麦杀菌的最佳工艺参数为处理电压54kV，处理时间48min。在该条件下，菌落总数为2.64lg（CFU/g），色差△E为1.83，多酚含量为26.22mg/g。低温等离子体技术可用于麦杀菌。关键词：低温等离子体；荞麦；杀菌中图分类号：TS255.3文献标志码：A文章编号：1674-4942(2023)02-0198-07OptimizationofLowTemperaturePlasmaSterilizationProcessforBuckwheatWANGWei,ZHAOWuqi,XIEMengmeng,CHENPeiting,WUNi(CollegeofFoodEngineeringandNutritionalScience,ShaanxiNormalUniversity,Xi'an710119,China)Abstract:Thebactericidaleffectoflowtemperatureplasmaonbuckwheatwasstudiedandtheoptimalsterilizationparam-etersweredetermined,whichprovidedatheoreticalbasisforplasmatechnologyforbuckwheatsterilization.Thecommonbuckwheatwasusedastherawmaterial.Onthebasisofsinglefactorexperiment,thetreatmenttimeandvoltageweretakenasthefactors,thesterilizationamountandthecolordifferenceEwereusedastheevaluationindexes,andthenthere-sponsesurfacecentercombinationtestwascarriedouttoanalyzetheinteractionbetweenthefactorstoestablishtheregres-sionmodelofsterilizationamountandcolordifferenceofbuckwheat.Thegeneticalgorithmwasusedforsyntheticoptimiza-tiontoobtaintheoptimumsterilizationprocessparameters.Theresultsshowedthattheoptimumprocessparametersforlowtemperatureplasmasterilizationofbuckwheatwereprocessingvoltage54kVandprocessingtime48min.Undersuchcondi-tions,aerobicbacterialcountwas2.64lg(CFU/g),thecolordifference△Ewas1.83,andthepolyphenolcontentwas26.22mg/g.Lowtemperatureplasmatechnologycanbeusedforbuckwheats...
