Quality of hurdle treated pork sausages during refrigerated(4 ± 1°C) storageAbstract Pork sausages developed using hurdle technologywas evaluated during refrigerated storage (4 ± 1°C).Hurdles incorporated were low pH, low water activity,vacuum packaging and post package reheating. Dipping inpotassium sorbate solution prior to vacuum packaging wasalso tried. Hurdle treatment signifi cantly (p <0.05) reducedthe rate of deterioration of quality characteristics of porksausages during storage, as indicated by TBARS and tyrosinevalues. Incorporation of hurdles decreased the growthof different spoilage and pathogenic microorganisms.Combination of pH, water activity, vacuum packaging andreheating inhibited the growth of yeast and molds up to 12days, while additional dipping of sausages in 1% potassiumsorbate solution prior to packaging inhibited their growtheven on 30th day of storage. Incorporation of hurdles resultedin initial reduction in all the sensory attributes, but theyhelped to maintain these attributes for signifi cantly longerperiod compared to control. Hurdle treated sausages exhibitedno spoilage signs even on day 30, while the controlsausages were found acceptable only up to 18 days.
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