Can microwave heating disinfect?
Sep 30, 2024
Source: Cainiu Health
Dr. Yang Ziqi
Introduction
Under normal circumstances, microwave heating can achieve disinfection. Microwaves heat food by emitting microwave radiation, which acts on water molecules, causing them to oscillate in response to the changing electromagnetic field. This oscillation interacts with neighboring molecules in the food, raising the water temperature and transferring heat throughout the food, thereby achieving the purpose of heating. Microwave ovens can rapidly raise temperatures to between 120°C and 250°C within a short period of time.
In general, microwave heating can achieve disinfection. The detailed explanation is as follows:
Microwave ovens heat by emitting microwave radiation, which acts on water molecules, causing them to oscillate in response to the changing electromagnetic field. These vibrating water molecules then interact with neighboring molecules in the food, raising the water temperature and transferring heat throughout the food, thereby achieving the purpose of heating. Microwave ovens can rapidly raise temperatures to between 120°C and 250°C, a range sufficient to effectively kill the majority of bacteria, viruses, and microorganisms. Microwaves can not only be used to disinfect food but also household items such as tableware and towels.
When using a microwave for heating, it is important to pay attention to the heating duration and the specific item being disinfected. Appropriate disinfection methods should be correctly applied to avoid potential safety hazards at home.
