Production of Natural Indigo from Indigofera tinctoria

Production of Natural Indigo from Indigofera tinctoria

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Today, the World Health Organization has issued several mandatory warnings regarding the use of synthetic colorants, and some of them have even been banned. For this reason and because of the current consumer trend to use products of an organic origin, natural dyes have once more conquered the preference of users; in fact, in industrialized countries the clothes and garments coloured with natural dyes have a high market value. Indigo was a natural colorant, but it was also a medicine. As a colorant, Hernandez notes that it was used to dye clothes, fabrics, feathers, fibres and the hair, in bla...