Sodium Chloride

Sodium chloride, is also known as salts, common salts, table salts, or halite, is an ionic compound with the formula NaCl. The second picture on the left shows a halite. Halite is the mineral form of sodium chloride, NaCl, commonly known as rock salt. Sodium chloride is the salt most responsible for the salinity of the ocean and of the extracellular fluids of many multicellular organisms. Extracellular fluids usually denotes all body fluids outside the cell (sweats). As the major ingredient in edible salts, is commonly used as a condiment and food preservative. A condiment is a type of sauce, of seasoning added to the particular food.

Uses of salt in cooking, salt is used in many applications, from manufacturing pulp and paper, to setting dyes in textiles and fabric, to producing soaps, detergent, and other bath products. It is the major source of industrial chlorine and sodium hydroxide, and used in almost every industry.

Salting in an effective mathod of food preservation historically; as it draws water out of bacteria through osmotic pressure, preventing them from reproducing and causing food to spoil. Osmotic pressure applied by a solution to prevent the inwards flow of water across a semipermeable membrane. Even though more effective desiccants (silica gel) are available, few are safe for humans to ingest .

During our search at the supermarket, we found out that both product on the left contains sodium chloride. The first picture shows a product called 'Sunny 1 Enriched White Bread' while the second shows another product called 'Hinode Lower Sodium Salts' . These are products which are commonly consumed .