The Food Additives perform a variety of useful functions in foods that consumers often take for granted. Some additives could be eliminated if people were willing to grow our own food, harvest and grind it, spend many hours cooking and canning, or accept increased risks of food spoilage. They are added to food to prevent it from spoiling are called chemical preservatives. The additives have been in use for centuries for preservation such as salt (in meats such as bacon or dried fish), sugar (in marmalade), or sulfur dioxide (in wine). Food Additives are very effective and useful.