Question

What are food preservatives?

Answer 1

Food preservatives are chemical substances that are capable of inhibiting, regarding, or arresting the process of fermentation, acidification, or other decomposition of food by the growth of microorganisms.

Examples:

1. Acetic acid is used mainly as a preservative for the preparation of pickles.
2. Sodium meta suiphite is used as a preservative for fresh vegetables and fruits.
3. Sodium benzoate is used as a preservative for juices.