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Product
Common names | Cascara sagrada, Cascara buckthorn, California buckthorn
Scientific name | Rhamnus purshiana
Used part | Bark
Known active compounds | emodin, aloins, chrysaloins, cascarosides
Potential benefits in cosmetics | anti-oxidant
Product name | Cascara Sagrada-ANB
Plant Story
Cascara sagrada, Rhamnus purshiana, is a shrub native to western North America. It is also called cascara buckthorn, California buckthorn, or cascara. It has been used for post and firewood or as an ornamental plant. It is also used as a flavoring agent in the food industry. Historically, the bark of R. purshiana was used as a laxative. Cascara sagrada means “sacred bark” in Spanish and the name was given by early Spanish explorers in the Pacific Northwest honoring its effectiveness.
Cascara sagrada contains phenolic compounds. A study investigating medicinal plants used in Mexican folk medicine reported that cascara sagrada was a good source of phenolic compounds and possessed strong anti-oxidant activity analyzed by DPPH and ABTS assays. Cascara sagrada is also a source of anthraquinone emodin. Emodin has been studied for its biological activities and has demonstrated anti-oxidant, anti-microbial, and anti-inflammatory activities.