Food Preservation Techniques

Food preservation is one of the oldest technologies used by human beings, which increases the shelf life of food along with retaining the nutritional value. Preservation can also act as an alternative to refrigeration and cold storage. Few preservation techniques may also destroy the enzymes naturally found in a food that cause it to spoil or discolor quickly. Following are few of the Modern-day food preservation methods,

CANNING: - Canning is the process of applying heat to food that’s sealed in a jar, in order to destroy any microorganisms that can cause food spoilage. Canning is a popular way of preserving fruits, vegetables and meat products.

FREEZING: - Properly packaging food in freezer paper or freezer containers prevents any deterioration in its quality. Freezing changes the texture of most fruits and some vegetables, but meats and fish fair well.

DRYING: - Exposing the food to a temperature that’s high enough to remove the moisture. An electric dehydrator is the best and most efficient unit for drying, or dehydrating, food    

  • Food preservatives

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