The Water Problem
Bacteria need water to live, just like people do. Honey has almost no water in it. Bees flap their wings to dry the nectar until it is thick and syrupy. Because there is so little water left behind, bacteria cannot drink enough to survive. They shrivel up and die from thirst.
A Sour Shield
Honey is also very acidic. It has a low pH level, which means it is sour on the tongue. This acidity acts like a natural preservative, similar to how lemon juice stops apples from turning brown. Most germs hate this sour environment and simply cannot grow in it.
The Enzyme Secret
Bees add a special ingredient called glucose oxidase when they make honey. This enzyme mixes with the sugar to create tiny amounts of hydrogen peroxide. Hydrogen peroxide is what you use to clean cuts on your skin! It kills bacteria gently but effectively. So, honey protects itself from three sides: it dries out germs, sours them, and disinfects them.
Examples
- You can eat honey from a 3,000-year-old Egyptian tomb.
- If you drop bacteria into honey, they dry out like raisins.
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