Investigation on colour, fastness properties and HPLC-DAD analysis of silk fibres dyed with Rubia tinctorium L. and Quercus ithaburensis Decaisne

Abstract

Silk fabric samples were dyed according to the various procedures using madder (Rubia tinctorium L.) and walloon oak (Quercus ithaburensis Decaisne) extracts. The colour coordinates, K/S, as well as wash, light, rub and perspiration fastness values were determined. A reversed-phase high-performance liquid chromatography with diode-array detection was utilised for the identification of the components of dyes present in the dyed fabrics and in the plant extracts.