1、Raymond H.Carroll商业无菌包装食品培训课程Copyright 2019 马里兰大学保留所有权Raymond H.CarrollCommercially Sterile Packaged Foods Training ProgramCopyright 2019 University of MarylandAll Rights ReservedTemperatureReal TimeMin121.1C250FFo 0 +3 +7 +2 +0 =12 min0 3 7 2 0 TemperatureReal TimeMin121.1C250FFo 0 +3 +7 +2 +0 =12
2、min0 3 7 2 0 微生物微生物输入输入 D Z-Fo加热加热输入热穿透数据输入热穿透数据加工加工 计算计算生物验证生物验证MicrobiologicalInput D Z-FoHeatPenetration InputProcess CalculationBiological Confirmation数据获取缓慢加热To data acquisitionSlowest heating Spot传递传递Conduction对流对流Convection15 30 453002001000Time(min)Temperature(oF)对流对流传递传递15 30 453002001000Ti
3、me(min)Temperature(oF)ConvectionConduction 00 30 1:001219338TimeTemperature(deg C)Heating&Cooling Medium Temp.Product ITStart cyclesteam onRetort CUTProcess timeEnd of heating:steam off.Cold water onCooling watertemperatureRetort up to temp.start timing process 00 30 1:001219338TimeTemperature(deg C)Heating&Cooling Medium Temp.Product ITStart cyclesteam onRetort CUTProcess timeEnd of heating:steam off.Cold water onCooling watertemperatureRetort up to temp.start timing process
