MICROBIOLOGICAL QUALITY OF PASTEURIZED MILK ON EXPIRATION DATE IN TEHRAN

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KOUSHKI M.R.; KOOHY KAMALI P.; AZIZKHANI M.; HADINIA N.; AMIRI Z.

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Journal: ELECTRONIC JOURNAL OF FOOD PROCESSING AND PRESERVATION Year:2015 | Volume:7 | Issue:1 Page(s): 91-102

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Title

MICROBIOLOGICAL QUALITY OF PASTEURIZED MILK ON EXPIRATION DATE IN TEHRAN

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Keywords

PASTEURIZED MILKQ2

MICROBIOLOGICAL QUALITYQ2

PACKAGINGQ2

Abstract

Background and Objectives: As different kinds of milk and milk products are imported from other cites to Tehran, it is necessary to have further control on these products in order to make sure that they have acceptable qualities. In this study, microbial quality of PASTEURIZED MILK collected from Fruit and Vegetables markets in Tehran was evaluated.Materials and Methods: MICROBIOLOGICAL QUALITY of 103 PASTEURIZED MILK samples collected from Fruit and Vegetables Markets in Tehran was evaluated by enumeration of aerobic mesophilic microorganisms, coliforms and detection of Escherichia coliaccording to Iran's National Standards on expiration date. The results' statistical analysis was performed using SPSS software version 17 and P values less than 0.05 were considered significant.Results: Collected samples were from 13 different brands. Coliforms, Escherichia coli and aerobic mesophilic microorganisms were in accordance with Iran’s National Standard’s limits in 78.6 percent (<10 CFU ml-1), 92.9 percent (absence of Escherichia coli) and 40.8 percent (<7.5× 104 CFU ml-1) of the studied samples, respectively. Only 6.8% of the studied samples had unacceptable levels of all three microorganisms. According to PACKAGING type (bottle and bag), total aerobic mesophilic microorganisms count, coliforms count and Escherichia coli contamination were not statistically significant. Although coliforms count mean was higher than the standard limits, coliforms count had an acceptable level in 78.6 percent of the samples.Conclusion: The results of the present study confirmed the partial satisfactory quality of PASTEURIZED MILK packages in Tehran.

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APA: Copy

KOUSHKI, M.R., KOOHY KAMALI, P., AZIZKHANI, M., HADINIA, N., & AMIRI, Z.. (2015). MICROBIOLOGICAL QUALITY OF PASTEURIZED MILK ON EXPIRATION DATE IN TEHRAN. ELECTRONIC JOURNAL OF FOOD PROCESSING AND PRESERVATION, 7(1), 91-102. SID. https://sid.ir/paper/240134/en

Vancouver: Copy

KOUSHKI M.R., KOOHY KAMALI P., AZIZKHANI M., HADINIA N., AMIRI Z.. MICROBIOLOGICAL QUALITY OF PASTEURIZED MILK ON EXPIRATION DATE IN TEHRAN. ELECTRONIC JOURNAL OF FOOD PROCESSING AND PRESERVATION[Internet]. 2015;7(1):91-102. Available from: https://sid.ir/paper/240134/en

IEEE: Copy

M.R. KOUSHKI, P. KOOHY KAMALI, M. AZIZKHANI, N. HADINIA, and Z. AMIRI, “MICROBIOLOGICAL QUALITY OF PASTEURIZED MILK ON EXPIRATION DATE IN TEHRAN,” ELECTRONIC JOURNAL OF FOOD PROCESSING AND PRESERVATION, vol. 7, no. 1, pp. 91–102, 2015, [Online]. Available: https://sid.ir/paper/240134/en

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