To ensure safety and good cooking results, it is not recommended to directly heat aluminum foil products for the following reasons:
1. Microwave reflection: Aluminum foil is a metal material that reflects microwaves in a microwave oven. Microwaves cannot penetrate aluminum foil, which may cause energy to concentrate in certain areas, generate electric sparks, and even trigger fires.
2. Local overheating: When heated directly in a regular stove or oven, aluminum foil has good thermal conductivity and can easily cause local overheating, which may result in uneven heating of the wrapped food, affecting cooking effectiveness and even causing food to burn.
3. Chemical changes: Aluminum foil may undergo chemical reactions with certain foods or seasonings at high temperatures, affecting the taste and safety of the food.
4. Aluminum leaching: Extreme high temperatures may cause aluminum ions to leach out of aluminum foil and enter food. Long term excessive intake of aluminum may pose potential hazards to human health, and in recent years, scientists have been studying the effects of aluminum foil intake on the nervous system. In 2014, a study showed a direct relationship between aluminum intake and Alzheimer's disease.
