HOW TO KEEP FRESH MILK CREAM LONGER

Subscriber Account active since. Some sources say it’s good past its expiration date and others say to toss it out after just a few days of being open. We decided to get to the bottom of this conundrum.

However, most date labels are only used to indicate freshness or quality. For pasteurized milk, Pennsylvania requires producers to label containers “Sell by” or GROUP, INC., CURRENT STATE OF FOOD PRODUCT OPEN DATES IN THE​.

To determine the presence and levels of microbes in unexpired pasteurized milk from randomly selected supermarkets in Kingston, Jamaica. The quantitative study used a stratified random sampling technique in the selection of the 20 representative milk samples from six 6 supermarkets. Microbiological tests such as methylene blue reduction, standard plate count SPC , coliform plate count CPC , purity plate culture, gram staining and biochemical tests were performed to examine the microbes in purchased unexpired pasteurized milk.

One sample BCr had a pH of 4. It decolourized within one hour during the methylene blue reduction test and was classified as class 4 milk. Seven of the samples were sterile with no microbe growth on the plate count agar and violet red bile salt agar VRBA. The milk samples that appeared to be safe for consumption were all 10, 11, 12 and 13 days before expiration. Enterobacter sp. Unacceptable levels of Enterobacter spp. Effective measures to ensure safe milk for human consumption such as the phosphatase test and methylene blue reduction test should be routinely performed on each batch of milk processed by dairy plants.