EXTRACTION METHOD OF NATURAL DYE FROM MADDER AND DYEING METHOD USING THE NATURAL DYE

摘要

The present invention provides a method for extracting a natural dye from madder and dyeing method . More specifically, the present invention provides the optimum extraction temperature , the initial concentration of the mother liquor , the additive selected and how to extract the effective madder natural dyes . The present invention provides a method for improving the selection of mordant dyeing properties of madder dyed with natural dyes , and also provides a method using the same .