Dye from Dilau (Yellow)
This is a root plant like ginger. It is used to dye silk and wool – yellow. Boil the roots, add alum
or vinegar, if desired, according to color strength desired.
Its turmeric substance is not soluble in waater, but dissolves easily in either alcohol, alkali, fats
and oils. Turmeric solution fades under the sun.
It gives bright green and brown, light violet red with tin, lime and barium hydroxide.
Turmeric produce yellow color in acid solution and dark reddish brown in alkali.