Will rice cakes be frozen in cold weather? What is the reason why the surface of rice cakes melts when soaked in water?

Rice cakes are frozen due to cold weather, and the reasons why the surface of rice cakes is soluble in water are as follows. In cold weather, rice cakes often turn from soft to hard and gradually freeze. Soaking rice cakes in water can prolong the shelf life. Rice cakes are rich in sugar, starch, carbohydrates and other ingredients, which are easy to breed harmful microorganisms such as bacteria and molds, thus leading to moldy food. Soaking in water can well isolate the oxygen in the air, which is a necessary condition for most microorganisms to reproduce, thus prolonging the edible period of rice cakes.