What are three reasons for fermenting food?

There are several reasons why people ferment food, including:

Preservation: Fermentation can help preserve food by preventing the growth of harmful bacteria. This allows food to be stored safely for longer periods of time, which is especially important in areas without access to refrigeration.

Enhancing Flavor: Fermentation can enhance the flavor and aroma of food. For example, fermentation can produce lactic acid, which is responsible for the tangy flavor of yogurt, cheese, and sauerkraut.

Nutritional Benefits: Fermentation can also improve the nutritional value of food. For example, fermentation can increase the levels of vitamins, minerals, and probiotics. Probiotics are healthy bacteria that can benefit gut health.