... cooking disinfection. Boil the water first with a towel about 10 minutes, and then use soapy water to clean, dry after use ... folded and placed in the microwave oven, run for 5 minutes to reach sterilization purposes; high-pressure steam sterilization method. The ... towel into the pressure cooker, heat for 30 minutes or so, can kill most microbes; chemical disinfectants disinfection. ...