The fruit of another Gardenia species, Gardenia jasminoides, is used in Traditional Chinese Medicine for its bitter properties.
Preparations are used for their diuretic, laxative, choleretic, and homeostatic properties and for the treatment of liver cirrhosis and pain associated with dysentery. Iridoid glycosides, including geniposide and gardenoside, have been isolated from the fruit of Gardenia jasminoides and geniposide has been extracted from the twigs of G. sootepensis.
(Wang, S. T. Tseng, C. Huang, and T. Tsai. 2004. Gardenia herbal active constituents: applicable separation procedures. Journal of Chromatography B 812:193-202.)
** The information provided above is not intended to be used as a guide for treatment of medical conditions using plants.