EXTRACTION OF NATURAL DYE AND PREPARATION OF GULAL FROM BUTEA MONOSPERMA AND ASSESSMENT OF DYEING PROPERTIESS.K. TIWARIAbstract The present work was planned to extract a new colouring component with keeping the environment friendly extraction procedure excluding the extensive application of organic solvents. We have chosen the Butea Monosperma (palash flower) for extraction of natural dye and making the herbal gulal. Aqueous technique is used for the extraction of natural dye from palash. Author has analyzed the extracted natural dye such as percentage yield, absorbance maxima and wavelength etc. Also studied were the dyeing properties in two types of cloths namely cotton and polyester by using solvents such as potassium dichromate. The herbal gulal has also made by using palash extract with wheat and rice flour. |