A Brief Review On: Extraction of Natural Dyes from Barks of Mangrove and Walnut Tree and their Applications

Abstract

Dyes derived from natural materials like plant leaves, roots, bark, insect secretions, and minerals were the sole dyes out there to humans for the coloring of textiles till the discovery of the primary artificial dye in 1856. Recently, there has been associate degree increasing interest within the use of natural dyes in textile applications. this can be a result of the meticulous environmental standards imposed by several countries in response to the harmful and allergies associated with artificial dyes. Recent analysis shows that they will even be used to dye some artificial fibers. except for their application in textiles, natural dyes also are utilized in the coloration of food, medicines, handicraft articles, and in animal skin process, and lots of the dye yielding plants are used as medicines in various traditional healthful therapies. The artificial dyes utilized in business produce variant problems like, environmental problems and color removal in effluent. Nowadays, the event of natural dyes is monumental, every day, the new natural dyes are made-up. in this paper, various natural dyes extracted from the bark of the trees, walnut tree, mangrove tree, and its application and examines their future prospects.