FOOD ADDITIVES
INTRODUCTION Food additives are substances added to food to preserve flavour or enhance its taste, appearance, or other qualities. Some additives have been used for centuries; for example, preserving food by pickling (with vinegar), salting, as with bacon, preserving sweets or using sulfur dioxide as with wines. With the advent of processed foods in the second half of the twentieth century, many more additives have been introduced, of both natural and artificial origin. What Is a Food Additive? In its broadest sense, a food additive is any substance added to food. Legally, the term refers to “any substance the intended use of which affects the characteristics of any food.” This definition includes any substance used in the production, processing, treatment, packaging, transportation or storage of food. Direct food additives are those that are added to a food for a specific purpose in that food. For example, xanthan gum — used in salad dressings, ...