Family: Leguminosae.

Synonyms: Senna, locust plant, wild senna.

Parts Used: Leaves, pods.

Active Compounds

Anthraquinone glycosides:

In the leaf; sennosides A and B based on the aglycones sennidin A & B, senosides C & D which are glycosides of heterodianthrones of aloe-emodin and rhein. Others include palmidin A, rhein anthrone & aloe-emodin glycosides, some free anthraquinones and some potent, novel compounds of as yet undetermined structure. C. Senna usually contains more of the sennosides.

In the fruit; sennosides A and B and a closely related glycoside sennoside A1.

Naphthalene glycosides; tinnevellin glycoside & 6-hydroxymusizin glycoside.

Miscellaneous; mucilage, flavonoids, volatile oil, sugars, resins etc.

Medicinal Actions and Uses

Purgative, anthchiiintic, antipyretic, alterative, cathartic, laxative, vermifuge and diuretic.

Senna is a powerful cathartic used in the treatment of constipation, working through a stimulation of intestinal peristalsis. It is vital to recognize, however, that the constipation is a result of something else and not the initial cause and that this has to be sought and dealt with.

Ayurvedic Applications

Indications: Constipation, inflammatory skin conditions, hypertension and obesity.

Senna is a strong purgative that should be taken with care and in proper dosage. It has an irritant effect upon the intestinal membrane, and may cause griping, pain or nausea, along with liquid stools or diarrhea.