Table 4.13. HACCP Audit Chart: Pasteurization/Homogenization of Raw MilkCritical Operation Potential Risks Critical Control Point Prevention, Control, and Monitoring Corrective ActionPasteurization Pathogen survival Time/TemperaturecontrolPasteurization temperature not <72.5◦C; phosphatase activity < 10g/mL p-nitrophenolRe-sterilize pasteurizer,check boiler, diversionvalve, re-pasteurize milkHomogenization Separation of cream Homogenizer pressure Check gauge readings, 1st stage: 500psi; 2nd stage: 2,000 psiHomogenization index < 10Adjust homogenizerpressureCooling Bacterial growth Low temperature Milk temperature < 3◦C Use back up compressorStorage and filling Microbial contamination CoolingPlant hygienePlant sanitationVat temperature < 4◦CEffective cleaning, visual checkVat sanitizing, check operation of sprayballCorrect concentration of sanitizersSPC < 50,000 CFU/mL; Coliforms< 1/mLCheck temperature and coolimmediatelyRe-clean vatUse manual cleaning withsanitizersCheck dosing and mixingprocedureInform factory manager,check CIPSanitizer contamination Flush residual sanitizer Visual check CIPFat < 3.2%; freezing point less than−0.517◦C, free of odor and taintsStaff trainingWithhold productUnder/over filling cartons Product weight Check volume/weight within ± 10 g.Check carton machine rubbersAdjust fill settings, replacecarton machine rubbersIncorrect/illegible use bydateCoder error 14 days from packing date Re-set coderPackaging defect Sealing of cartons Check packaging, squeeze test Withhold affected cartons,informStorage of packedmilkMicrobial growth Temperature control Cool room temperature < 2◦C, insuredoors closed properlyInform, mechanical fault,check refrigeration
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