Definition and purpose
Food additives may be natural or artificial. Common natural additives include sugar, salt, corn syrup, baking soda, and pepper. Many modern additives, such as vitamins and some flavours, are made in a laboratory but most of them are exact replicas of naturally occurring substances and the body is unable to distinguish between the natural and artificial forms. Food additives can provide nutrition, maintain product quality and freshness, aid in the processing and preparation of foods, make foods appealing.