![]() The fundamentals of natural dyes chemistry and some of the important research work are therefore discussed in this review article.Īfter the advent of mauveine by Henry Perkin in 1856 and subsequent commercialization of synthetic dyes had replaced natural dyes, and since then consumption and application of natural dyes for textiles got reduced substantially. This necessitates newer research on application of natural dyes on different natural fibres for completely eco friendly textiles. So the supremacy of natural dyes is somewhat subdued. Though natural dyes are ecofriendly, protective to skin and pleasing colour to eyes, they are having very poor bonding with textile fibre materials, which necessitate mordanting with metallic mordants, some of which are not eco friendly, for fixation of natural dyes on textile fibres. Besides textiles it has application in colouration of foods, medicine and in handicraft items. Natural dyes are renewable source of colouring materials. The toxic and allergic reactions of synthetic dyes are compelling the people to think about natural dyes. The meticulous environmental standards in textiles and garments imposed by countries cautious about nature and health protection are reviving interest in the application of natural dyes in dyeing of textile materials.
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