It dissolves in concentrated sulphuric acid giving a yellow-red coloration. Turmeric possesses anti-inflammatory property. Petroleum ether extracts of the rhizome showed significant anti-inflammatory activity in experimental animals without producing any toxicity or side effects. The anti-inflammatory activity was compared with Phenylbutazone. The extract had a highly significant protective effect against cytodestructive agents.
Turmeric is reported to have anti-fertility activity as observed with experimental animals.
In SED patients symptoms subsided from the 4th day and complete relief took 7 days except for 2 cases, which took 9 days. This indicates that HED has a definite role in conjunctivitis. The clastogenic potential of Curcuma longa in experimental rats in in vivo conditions has been evaluated. In Indian systems of medicine, turmeric is used to some extent as a stomachic, tonic and blood purifier. It is also prescribed as an antiperiodic alterative.