Food is preserved by curing with salt, smoking, pickling, drying, or canning.
Cured foods have been preserved by adding a combination of salt, nitrates, nitrite or sugar.
Fruit jams are not preserved with sodium chloride; it is rarely added to improve the taste.
salt and spices
Adding salt the taste of foods is improved.
Aboriginal people stored food in caves or in the ground to keep it cool. They also preserved meat with salt and other spices to keep it from spoiling.
Salt is used to preserve food along with adding taste.
drying, salt water marination, freezing, canning, pickling,
Salt can preserve food for varying lengths of time, depending on factors such as the type of food and the amount of salt used. In general, properly salted foods can be preserved for several days to several months. Salt works by drawing out moisture from the food, creating an inhospitable environment for bacteria and other spoilage agents.
It preserved the meat and food instead of a refrigerator, which they didn't have.
to season
Adding sugar would only make a dish sweeter and not reduce the salt content. If the food is a soup or stew, adding potato will thicken the soup and absorb some of the salt. However, adding a liquid, such as water or dairy products, will increase the proportion of liquid to salt, therefore thinning out the salty taste.
Fish, meats, cabbage, and beans are very commonly preserved by salt.