Cuttak Silver Vegetable Dyes
Jatropha Curcas is a non edible oil crop predominately used to produce bio-diesel. In addition to bio-diesel production, the by-product of Jatropha Curcas’ trans-esterification process can be used to make a wide range of products including high quality paper, energy pellets, soap, cosmetics, toothpaste, embalming fluid, pipe joint cement, cough medicine and as a moistening agent in tobacco.
Potential as raw material for dye:
The bark of Jatropha curcas yields a dark blue dye which is reported to be used for colouring cloth, finishing nets and lines
The dye may be extracted from leaves and tender stems and concentrated to yellowish syrup or dried to blackish brown lumpy mass
The dye imparts to cotton different shades of tan and brown which are fairly fast