How Long Does Ultra Pasteurized Egg Nog Last in How To

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How Long Does Ultra Pasteurized Egg Nog Last. · 10y food science | food processing. Leave standing at least overnight in refrigerator.

Egg Nog Old Fashion HalfGallon Darigold
Egg Nog Old Fashion HalfGallon Darigold from www.darigold.com

Does eggnog go bad if not opened? Yes, eggnog does go bad. It lasts longer than homemade since it has been pasteurized at the very least.

Egg Nog Old Fashion HalfGallon Darigold

I assume we're talking about the pasteurized egg nog you get in a carton in the grocery store. Once you open the carton, it should last for about 5 to maybe 7 days. If so, it should be good for several weeks unopened; It’s heated to 280°f at the minimum, which means that it’s able to kill almost all of the bacteria that the normal pasteurization process may have missed (keyword here being almost—it’s not sterile.).