What is Freezer Burn?
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Have you ever noticed that meat or vegetables or ice cream left too long in the freezerdevelop a layer of frosty ice on their surface? And when eaten, they're kind of dry and icky?This is freezer burn, and it happens because ice in the frozen food sublimates - that is,the water changes directly from a solid to a gas rather than first melting and then evaporating.Unlike regular frost (also called "hoar frost"), which forms when water vapor that's alreadyin the air freezes into crystals on top of something cold, the frost in freezer burncomes from frozen water in the food itself. That's why freezer burn happens less to flourand nuts than to vegetables and meat and ice cream, which contain more water. And the ultimateeffect is t...
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Have you ever noticed that meat or vegetables or ice cream left too long in the freezerdevelop a layer of frosty ice on their surface? And when eaten, they're kind of dry and icky?This is freezer burn, and it happens because ice in the frozen food sublimates - that is,the water changes directly from a solid to a gas rather than first melting and then evaporating.Unlike regular frost (also called "hoar frost"), which forms when water vapor that's alreadyin the air freezes into crystals on top of something cold, the frost in freezer burncomes from frozen water in the food itself. That's why freezer burn happens less to flourand nuts than to vegetables and meat and ice cream, which contain more water. And the ultimateeffect is t...
