Resurgence of natural colourants: a holistic view

Abstract

Today, natural colourants are emerging globally, leaving synthetic colourants behind in the race, due to the realisation that are safer and ecofriendly in nature. In this context, a brief review of natural colourant sources, their classification, chemical constituents responsible for producing different colours, its activities and effect of different mordants on the hue is discussed.

Keywords:

• Natural colourants
• Mordants
• Textile dyes
• Food dyes

Acknowledgments

We thank Dr. R.D. Singh, scientist, Biodiversity division, IHBT-Palampur for his valuable help regarding the manuscript preparation. The authors would also like to thank Dr. P.S. Abuja, Director IHBT for providing necessary facilities and infrastructure during the course of this work.

Notes

*IHBT Communication Number 2226