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Natural Dyes: Sources, Chemistry, Application and ...

Natural Dyes: Sources, Chemistry, Application and Sustainability IssuesSujata Saxena and A. S. M. RajaAbstractDyes derived from Natural materials such as plant leaves, roots, bark,insect secretions, and minerals were the only dyes available to mankind for thecoloring of textiles until the discovery of the first synthetic dye in 1856. Rapidresearch strides in synthetic chemistry supported by the industrialization of textileproduction not only led to the development of synthetic alternatives to popularnatural dyes but also to a number of synthetic dyes in various hues and colors thatgradually pushed the Natural dyes into oblivion However, environmental issues inthe production and Application of synthetic dyes once again revived consumerinterest in Natural dyes during the last decades of the twentieth century.

There are several plant sources of red natural dyes. A few popular sources are listed below. 2.4 Madder Madder is the red color producing natural dyes from the plants of various Rubia species. The dye is obtained from the roots of the plant. It is also popularly known as the ‘‘queen of natural dyes.’’ The main coloring constituent of ...

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