Extraction of dyestuff from Madder plant (Rubia tinctorum L.) and dyeing of wool, feathered-leather and cotton

Abstract

In this study, the total amount of dyeing substances present in {it Rubia tinctorum L}. was found by using the extraction method and then separated in column. All of the dyeings were carried out with red component alizarin (1,2-dihydroxyanthraquinone). Dyeing conditions and other characteristics were determined and in most cases high fast colours were obtained.