The importance of certain ingredients in the diet for maintaining health has been known since ancient times. But the need for what we now call vitamins was first realised in the mid-18th century, when the Scottish surgeon James Lind found that citrus fruit helped to prevent sailors on long voyages
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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
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