Unpasteurized cheese, also known as raw-milk cheese, is made from milk that has not been pasteurized. Pasteurization occurs during cheesemaking when milk is heated at the beginning of the cheesemaking process to destroy microorganisims that can potentially cause sickness or spoilage.
Being stored in brine, Halloumi is quite a salty cheese; if it is too salty for you, simply rinse it under running water before using it. Once opened, Halloumi can be kept in fresh water in the fridge for several days, or it can be frozen for up to 3 months.
Best Answer: So long as the vial has not been opened they will be good for a couple years past the expiration date. But the minute the vial is opened and the air gets in then they start to deteriorate. Some vials are labeled as good for 30 days, and some for 45, and still others for 90 days after opening. Read the accompanying info to see how long yours are good for after opening the vials. Source(s): Nana Lamb Â· 7 years ago.