This milk does not have to be kept refrigerated until opened and it has a much longer shelf life than non-UHT milk. The milk is heated to a higher temperature than normal pasteurization. The combination of UHT pasteurization and bottling sterilization ensures that the milk lasts up to six months on the shelf without refrigeration.

Traditional milk is heated up to at least 161 degrees for 15 seconds to kill harmful bacteria in the milk. This process allows milk to last for several months in sterilized packages outside the refrigerator. Those sold in single serve boxes on grocery shelves are ultra high temperature pasteurized (UHT), a process popular in Europe. Yes, today you can by shelf stable, room temperature milk. The milk is heated to a higher temperature for a few seconds and then put into special packaging, so it can be safely stored at room temperature until the expiration date. Two hours Why does Horizon milk not have to be refrigerated?įor our shelf-stable milk boxes, we use a process called ultra-high temperature (UHT) pasteurization. Amazing! What makes aseptic milk shelf-stable is a unique combination of pasteurization and packaging. You may have heard shelf-stable milk also called aseptic milk, but the most important thing to know is shelf-stable milk doesn’t need to be kept refrigerated. Is there any milk that does not need to be refrigerated? Milk is heated to a very high temperature for just a few seconds, which destroys bacteria for a longer shelf life. The process for shelf-stable milk is called UHT pasteurization, or Ultra High Temperature. UHT pasteurization Pasteurization is the process we use to help eliminate bacteria in milk.

Horizon milk not organic