Botanical Name - Acacia-Nilotica Common name - Bark Of Acacia Other Name - Babool Chaal Part Used - Trees Bark Uses - Tanning Agent, Dyeing And Ayurvedic Remedies Acacia nilotica, is a genus of shrubs belonging to the sub-family Fabaceae. Its bark being rich in phenolic such as tannins, quercetin, catechin etc.is used in dyeing and cosmetics. Our Garnet Brown extract is dry dark brown yellow crystalline powder that is very stable and of high colour fastness. We extract the main colouring component from the bark and pods of the tree by boiling them in water, it gives a slippery liquid. When the liquid is evaporated and the extract remains behind which is a rich source of tannins called catechin and is easily soluble in water.