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Natural food preservatives

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Written by   70
2 years ago

Hello everyone. It's me @Intishar.let's start about today's topic.

Preservatives from natural sources used in food processing and preservation are called natural food preservatives. such as salt, sugar, alcohol, vinegar, oil ect. It is also used as a natural food preservation technique for cooling, applying heat, and providing smoke.


Salt


The most common method of food preservation is curing. Curing is the process of storing food in salt or a certain concentration of solids. This technique was popular before the invention of refrigerator.

Sugar

Sugar is an excellent quality preservative. It is used as a preservative in preserving fruits, pickles, jellies, etc. The sugar solution prevents the microorganisms from reproducing in the food. As a result, the stored food keeps the nutritional value unchanged for a long time. Sugar of 60% concentration acts like salt. It is added to vinegar to make pickles.


vinegar

Vinegar is one of the most widely used and common natural preservatives. It is cheap and easily available. This keeps the quality of the food unchanged or stable. It dissolves very easily in water. Vinegar is an incomparable preservative in the preparation and preservation of various foods. Vinegar is used in the preparation of pickles, sauces, jams, jellies, marmalades and in the preservation of vegetables, fish and meat. The main ingredient in vinegar is ethanoic acid or acetic acid. Generally 6 to 10% aqueous solution of ethanoic acid is called vinegar. Adding vinegar to food lowers the pH value of the ingredients. Foods with a pH less than 4.5 are not contaminated by bacteria. Besides It has no side effects.

Alcohol

Pure ethyl alcohol is the most powerful preservative. It destroys all kinds of microorganisms and maintains the quality of preserved food. As alcohol is highly soluble in water, it dissolves easily and prevents the growth and reproduction of microorganisms by maintaining a balanced concentration everywhere.

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Written by   70
2 years ago
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