Natural colorants as safe additives: A review


Natural dyes are dyes or colorants derived from plants, invertebrates, or minerals. The majority of natural dyes are vegetable dyes from plant sources roots, berries, bark, leaves, and wood and other organic sources such as fungi and lichens. The present review focuses on natural colorants and dyestuffs which are obtained from trees, shrubs and insects. Because of the enormous number of colorants and dyestuffs found in nature, an exhaustive coverage was not possible in the review and the approach has been take to provide most important and most commonly used colorants in food, textile and pharmaceutical industries.


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