Turmeric root (Curcumae longae rhizoma)

Published November 30, 1985; Revised September 1, 1990.
List of German Commission E Monographs (Phytotherapy)


Name of Drug

Curcumae longae rhizoma, turmeric root.

Composition of Drug

Turmeric root consists of the finger-like, often tuber-like, scalded and dried rhizomes of Curcuma longa L. (syn. C. domestica Valeton and C. aromatica Salisbury) [Fam. Zingiberaceae], and their preparations in effective dosage.

The drug contains not less than 3 percent dicinnamoylmethane derivatives, calculated as curcumin, and not less than 3 percent volatile oil, both calculated on a dry-weight basis of the drug.


Dyspeptic conditions.


Obstruction of bile passages. In case of gallstones, use only after consulting with a physician.

Side Effects

None known.

Interactions with Other Drugs

None known.


Unless otherwise prescribed:

Average daily dosage:

1.5 - 3 g of drug; equivalent preparations. Mode of Administration Comminuted drug, as well as other galenical preparations for internal use.


The choleretic action of curcumin is experimentally well documented. Further indications exist for a cholecystokinetic and a clear antiinflammatory action.