Sanitary Quality of Commercially Produced Ice Cream Sold in the Retail Stores

Abstract

The sanitary quality of commercially produced ice cream of Milkvita, Igloo, Pollar and Savoy were examined for total bacterial count (TBC), coliform count and Staphylococcal count. Each brand of ice cream was collected from retail stores of Dhaka City. The TBC was determined on plate count agar incubated at 30°C for 3 days, coliform count on violet red bile agar incubated at 30°c for24 hours and Staphylococcal count on mannitol salt agar plates incubated at 37° C for 24 to 48 hours. The TBC reported in ice cream of Milkvita, Igloo, Pollar and Savoy varied from 2800to 3800 with an average of 3280 CFU/ml, 2800 to 4000 with an average of 3450 CFU/ml, 10,000 to 19,000 with an average of 15,000 CFU/ml and 26,800 to 56,000 with an average of 42,460 CFU/ml respectively. The coliform count varied from 4 to 18 with an average 11.60 CFU/ml and 18 to 42 with an average of 28 CFU/ml in Polar and Savoy but in case of Milkvita and Igloo, it was found negative. The Staphylococcal count in the samples of Igloo and Savoy varied from 2 to 7 with an average of 3.80 CFU/ml and 7 to 17 with an average of 11.20 CFU/ml respectively, whereas it was found negative in the samples of Milkvita and Polar.