Normal rice cakes are tasteless. If they are stored for too long, they may rot and deteriorate, which will affect the eating taste of rice cakes and turn sour. When the rice cake turns sour, try not to eat it, so as not to affect the normal metabolism of gastrointestinal tract, cause symptoms of food poisoning and endanger the health of the body.

After the opening, try to seal the opening again with a clip, and then put it in the refrigerator for preservation. The scientific method is to eat it in the fastest time, so as to avoid bacteria or harmful substances in the air breeding on the surface of the rice cake, and then rot and deteriorate.