Preservatives

A preservative is a substance added to food products or beverages to prevent decomposition by microbial growth or by undesirable chemical changes. Preservative food additives reduce the risk of foodborne infections, decrease microbial spoilage, and preserve fresh attributes and nutritional quality.

Preservatives in food

Humans have always found ways to preserve their food to stop it spoiling before it can be eaten. Many of the bacteria and moulds that grow on food can be dangerous. Salmonella, listeria and botulism are familiar forms of food poisoning caused by bacteria, and one of the most infamous food poisoning incidents in history …

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Antioxidants

Oxidation is a real problem for food products. Oxidation, for example, causes raw apples and potatoes go brown, but this can prevented in the kitchen by adding lemon juice. It’s very effective because lemon juice contains a very strong antioxidant – ascorbic acid or vitamin C (E300). By preventing or slowing down the oxidation process …

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