If the salt is going to be used for food flavoring or preservation, additional purification is required, usually by methods that use multi-stage evaporation of brine solutions. The annual world salt production is about 200 million tons (181,436,948 metrictons). The top producers are the ...
3. Salting We can add salt to preserve pickles and fish. 4. Sweetening Excess sugar in food also acts as a preservative. We store food for a long time in the form of jams, jellies, and murabbas by adding sugar. 5. Dehydration In this method, the food items are dried in sun to st...