Cascara sagrada bark extract

Cascara sagrada bark extract (CAS 84650-55-5), also referenced commercially as Rhamnus purshiana extract, is a botanical extract derived from the aged bark of the cascara buckthorn tree.

Where is Cascara sagrada bark extract used?

• Pharmaceutical formulations: active botanical ingredient in laxative preparations, with anthraquinone glycoside content driving the physiological effect
• Food and beverage: bittering and flavoring agent in bitters, liqueurs and specialty soft drinks
• Dietary supplements: capsules, tablets and liquid tonics for digestive health positioning
• Preservation-oriented formulations use its antimicrobial activity for product stabilization and shelf-life extension.

Good to know: Pharmaceutical-grade material is typically standardized to hydroxyanthracene glycoside content to meet defined potency specifications; food-grade supply conforms to FEMA 2253 status.

Commercial specifications

• Standardized and non-standardized grades
• Pharmaceutical grade standardized to hydroxyanthracene glycoside content
• Food grade conforms to FEMA 2253