What is fermentation? State its economic importance.

1. Fermentation is a form of an anaerobic process in which single-celled fungi called yeast or bacteria, act on the sugar or starch with the help of an enzyme to produce alcohol and carbon dioxide.
2. Fermentation functions such as adding new flavors and textures to food.
3. It helps in extending the shelf life of foods.
4. It also helps in making some nutrients more easily absorbed by the body.
5. By providing an environment for probiotics to grow and reproduce.