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Researchers took swabs from the interior surfaces and turntables of 30 microwaves. The analysis revealed the full extent of the bacteria.
Extremophiles are organisms that not only survive but also thrive in the harshest environments, such as those found in red-hot hydrothermal vents, the extreme cold of Antarctica, and even in the presence of microwaves. For a long time, it was believed that microwaving food killed the germs in the appliance and the food. A team of researchers from the University of Valencia in Spain has put this assumption to the test. Their results indicate that more than 100 different bacteria inhabit microwave ovens.
The research team took swabs from the interior surfaces and turntables of 30 microwave ovens in private kitchens, communal areas at workplaces, and in industry. The collected material was applied to laboratory dishes and examined. All laboratory dishes showed significant bacterial growth. Many of the bacterial strains were those found on human skin, but some were bacteria known to cause foodborne illnesses.
The researchers also found that bacteria that can cause foodborne illnesses can also be found on other kitchen surfaces or appliances. However, there is no reason to panic. The researchers recommend cleaning the microwave with the same regularity as other kitchen surfaces.
There are three simple home remedies for keeping your microwave free of food bacteria:
Method 1: Vinegar and water
Mix equal parts vinegar and water in a microwave-safe bowl. Let the mixture steam in the microwave for 5-10 minutes and then cool. Then wipe the interior with a damp cloth.
Method 2: Lemon and water
Cut a lemon in half. Pour 1 cup of water into a microwave-safe bowl and squeeze in the lemon juice. Place the lemon halves in the bowl. Heat the bowl in the microwave for 3 to 5 minutes until it steams. Let it rest for a few minutes. Wipe the interior with a damp cloth. The acid in the lemon acts as a disinfectant.
Method 3: Dishwashing liquid and water
Add a few drops of dishwashing liquid to a bowl of water. Heat the bowl in the microwave for 2 minutes. Let it sit for a few minutes. Wipe the inside with a sponge or cloth.
- source: heute.at/picture:
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