¿Qué son las quemaduras por frío?

The video explains cold burns, a phenomenon where frozen food develops a frosty layer due to sublimation, causing dryness. It details how sublimation differs from regular frost formation and affects foods with high water content. Methods to prevent cold burns include maintaining a constant freezer temperature and using vacuum-sealed bags. The video also highlights natural occurrences of sublimation, such as ice flowers over the Arctic Ocean.

What are some methods to prevent cold burns in food?

Describe how cold burns can occur in nature, as mentioned in the text.