It was once a cure for jaundice. Its chief use is in the manufacture of curry powders. It is also used as an adulterant of mustard and a substitute for it and forms one of the ingredients of many cattle condiments. Tincture of Turmeric is used as a colouring agent, but the odour is fugitive. It dyes a rich yellow.
Turmeric paper is prepared by soaking unglazed white paper in the tincture and then drying.
Used as a test for alkaloids and boric acid.