Edible Salt also famed as table salts, are traced from mining or evaporation (including sea salt). It may be known by such properties as their geographical origin, technique of preparation, additives, flavorings, natural impurities or intended functions (such as curing or pickling). Salt is necessary for life in general, and saltiness is one of the elemental human tastes. It is one of the oldest and most ubiquitous food ingredients and a crucial method of food preservation. Composed mainly of sodium chloride (NaCl), Edible Salt is an indispensable nutritive for human health via its capacity as an osmotic solute and electrolyte.