1. For recent reviews see
2. Biocolorants and its implications in Health and Food Industry – a Review;Rymbai;Int J PharmTech Res,2011
3. Application of natural dyes on textiles;Samanta;Indian J Fiber Text Res,2009
4. Natural ingredients for colouring and styling;Dweck;Int J Cosmet Sci,2002
5. Comprehensive focus on natural dyes;Dweck;Pers Care Mag,2009