What is Food Additives(Type of Food Additives & Importance of Food Additives)2020. Food Additives:- Food additives is a consumable substance that it added to any food to enhance its taste, appearance, texture and prevent it from becoming repugnant or in most cases rotten. OR Food additives are substances added to product to perform specific technological function. These functions include prese to food for interest and variety . Increasing shelf life of or inhibiting the growth of pathogens, or adding coloring and flavoring During processing ,small amounts of certain chemicals are often added. Basically, a food additive is something that doesn't normally occur in the food we eat, it has to be added. Food additives may be natural or artificial. Any substance that become part of food product either directly or indirectly during some phases of processing.