Frangula purshiana Bark

**Semantic type:** Organic Chemical|Pharmacologic Substance

**Definition:** Used as a laxative in constipation and various medical conditions, Cascara (cascara sagrada) is dried bark of Picramnia sp. (Simarubaceae) or Rhamnus purshiana (Rhamnaceae) containing stimulant laxative anthranol glycosides that act on the intestinal wall to increase muscle contractions and encourage bowel movements. (NCI04)

**Synonyms:** - Bearberry Bark - Cascara - Cascara Bitterless Bark Extract - Cascara Fluidextract, Aromatic - FRANGULA PURSHIANA BARK - Rhamnus purshiana Bark - Sacred Bark