Are the additives in processed foods really necessary?
Food additives play an important role in preserving the freshness, safety, taste, appearance and texture of processed foods. Food additives are added for particular purposes, whether it is to ensure food safety or to maintain food quality during the shelf-life of a product. For example, antioxidants prevent fats and oils from becoming rancid while preservatives prevent or reduce the growth of microbes (e.g. mould on bread) and thickeners allow fruit preparations to “gel” so they can be spread onto toasted bread.
Food colourings are used to increase the appeal of foods. While food colourings do not impart improved safety or texture, they offer consumers a choice of products that may appeal to them or add to their enjoyment of the diet due to its colour. Food additives can supply specific sensory properties (e.g. taste and texture) to foods to meet cultural habits and consumer’s expectations.
All food additives must be approved by appropriate authorities and strict limits are placed on the amount and types of additives in foods. Any additive must be included in the ingredients listing on a package ensuring that consumers have a choice.
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