what is salting in food preservation

what is salting in food preservation

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Salting is a food preservation method that has been used for thousands of years). It involves the use of dry edible salt to preserve food, and it is related to pickling and brining). Salting is one of the oldest methods of preserving food, and it is still used today in combination with other preservation methods, especially in countries or areas where there are limited refrigeration facilities or access to newer technologies.

Salt is effective as a preservative because it reduces the water activity of foods. The water activity of a food is the amount of unbound water available for microorganisms to grow, which makes the food more likely to spoil. Salt helps prevent the spread of microorganisms by chemically reducing the water available. Most bacteria, fungi, and other potentially pathogenic organisms cannot survive in a highly salty environment, due to the hypertonic nature of salt). Any living cell in such an environment will become dehydrated through osmosis and die or become temporarily inactivated).

Salting is used to preserve a variety of foods, including fish, meat, and vegetables). Salted fish, usually dried and salted cod or salted herring, and salt-cured meat, such as bacon, are two historically significant salt-cured foods). Vegetables such as runner beans and cabbage are also often preserved in this manner). Salting can be combined with smoking to produce bacon in peasant homes). Instructions for preserving freshly killed venison in the 14th century involved covering the animal with bracken as soon as possible and carrying it to a place where it could be butchered, boiled in brine, and dry salted for long-term preservation in a barrel).

Salt will not prevent all microbial growth, as most microbes cannot grow in conditions where the concentration of salt is above 10% . Preserving foods with a solution that is over 10% salt will have detrimental effects on the flavor, texture, and structure of the preserved food. Most often, foods must be preserved in much lower salt concentrations to retain the desirable qualities of the food. Different bacteria and fungi also have differing tolerance to salt.

In summary, salting is a food preservation method that has been used for thousands of years. It involves the use of dry edible salt to preserve food, and it is effective because it reduces the water activity of foods, preventing the spread of microorganisms. Salting is used to preserve a variety of foods, including fish, meat, and vegetables,...

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