“…Natural dyes are mostly eco-friendly, less toxic, and less allergenic as compared with synthetic dyes (Feng et al, 2007;Vankar et al, 2007;Bechtold et al, 2003;Komboonchoo and Bechtold, 2009;Samanta et al, 2009;Sarkar and Seal, 2003). Natural dyes exhibit better biodegradability and generally have a better compatibility with the environment (Deo and Paul, 2000;Parvinzadeh, 2007, 2004;.…”