What Is Curcumin?
Curcumin is the pigment that is present in Curcuma longa L (Turmeric) called diferuloylmethane; it is an asymmetric molecule with a seven carbon linker connecting two o-methoxy phenolic groups containing aromatic rings. It is synthesised by Pabon′s reaction using vanillin and acetylacetone in the presence of boric oxide.
Its deep-orange pigment is in use for various dying applications from food to textiles. Curcumin is a well-known natural dye used for food and fabric colourations because it is antimicrobial properties on dyed textiles . A natural dyeing method could produce wool fabrics with colouring as well as antimicrobial properties.