Food-grade aluminum foil is a common food packaging material that has some preservation effects, but it is not omnipotent. The following are some of the effects of food-grade aluminum foil on food preservation:
Shield oxygen: Aluminum foil can effectively shield air and light, reduce exposure to oxygen, thereby slowing down the oxidation process of food. Oxygen is one of the main factors causing food spoilage and spoilage, so by wrapping it in aluminum foil, you can extend the shelf life of your food.
Isolate odors: Aluminum foil can also isolate external odors and moisture, helping to prevent food from absorbing odors from the surrounding environment while reducing the impact of moisture on food.
Maintaining temperature: Aluminum foil has a certain effect on maintaining the temperature of food. It prevents food from being affected by temperature changes prematurely, helping to maintain the freshness and taste of food.
UV protection: Aluminum foil can effectively block ultraviolet rays and has a certain protective effect on some foods that are easily affected by ultraviolet rays, such as milk and juice.