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Dyes, Natural

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Dyes, Natural 

substances formed by living organisms or contained in minerals. They are used in the textile, food-processing, and perfume industries as well as in rug manufacturing. The best-known dyes of animal origin are carmine, a red dye obtained from the bodies of female cochineal insects; Tyrian purple, a reddish violet dye contained in the adrectal glands of marine gastropod mollusks of the family Muricidae; and sepia, a grayish brown pigment obtained from the secretions of the ink sac of marine cephalopod mollusks of the genus Sepia (cuttlefish).



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Unlike chemical dyes, natural colourants do not erode the structure of wool fibres, but lend them sheen and succulence.
Revenues for the segment's Color division were up 38% from the prior year with significant volume increases in several major product categories, including synthetic dyes, natural colors, inks, and cosmetic colors.
 
 
 
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