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Updated: Aug 21, 2021


Preservatives are compounds added to food products to prevent the early spoilage of the food product and increase the shelf life of the product. Preservation of food has been done by people for many years now in many ways. Traditional ways of preserving a food product include refrigeration, freezing, boiling, dehydration, pickling, etc. The most basic and earliest used food preservatives added to food are sugar, salt, alcohol, and vinegar which retards the growth of bacteria in the food product. Even in today's times, salt is used to preserve meat and fish as it prevents the growth of bacteria on the meat that spoils it. They prevent the growth of bacteria and other pathogens in everyday food products like dairy products, bakery products, beverages, pharmaceutical drugs, protein bars, cereals, etc.

Few artificial preservatives are:

Sodium Benzoate

It is an odorless colorless man-made powder meant as a food additive to prevent early spoilage of the food product. It is added in foods like vinegar, carbonated drinks, jams and jellies, citric beverages, dairy products, confectionery, and pharmaceutical drugs.

Potassium Sorbate

It is a man-made food preservative generally made in granular form. It has various uses in the food industry like in the preservation of meat, fish, other aquatic animals, vegetables, fruits, beverages, dairy products, wine, bakery products, etc.

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