# Cascara, Bitterless, Extract (rhamnus Purshiana Dc.)

> Source URL: https://additivefacts.com/additives/cascara-bitterless-extract-rhamnus-purshiana-dc
> Markdown URL: https://additivefacts.com/additives/cascara-bitterless-extract-rhamnus-purshiana-dc.md

**Safety rating:** UNKNOWN
**CAS number:** 977090-83-7
**Category:** colorant
**FDA GRAS:** no
**Adverse events (FDA AERS):** 0
**FDA recalls:** 0
**Last updated:** 2026-04-02

## Summary

Cascara, Bitterless, Extract is a natural colorant derived from the bark of the Rhamnus purshiana (cascara sagrada) plant. It is used in food manufacturing as a coloring agent and flavoring adjuvant to impart brown to dark brown hues and enhance flavor profiles in various food products.

## Regulatory status

| Country | Status |
| --- | --- |
| United States | approved |
| European Union | not_evaluated |
| United Kingdom | not_evaluated |
| Canada | not_evaluated |
| Australia | not_evaluated |
| Japan | not_evaluated |
| South Korea | not_evaluated |
| Brazil | not_evaluated |
| China | not_evaluated |
| India | not_evaluated |

## Detailed analysis

## What is Cascara, Bitterless, Extract?

Cascara, Bitterless, Extract (Rhamnus purshiana DC.) is a plant-derived substance obtained from the dried and aged bark of the cascara sagrada tree native to the Pacific Northwest region of North America. The extract is processed to remove bitter compounds, making it suitable for food applications where color and mild flavoring contributions are desired. The substance is classified as a natural colorant and functions as both a coloring adjunct and flavoring agent in food manufacturing.

## Common Uses

In the food industry, cascara bitterless extract is primarily employed as a natural colorant to achieve brown and tan coloration in various food products. It may be used in beverages, baked goods, confectionery products, and other foods where natural coloring alternatives are preferred. The extract also serves as a flavoring adjuvant, contributing subtle flavor notes to formulations. As consumer demand for natural and plant-based food ingredients has increased, natural colorants like cascara extract have gained attention as alternatives to synthetic dyes, though their use remains relatively limited in modern food manufacturing.

## Safety Assessment

According to FDA records, there have been zero adverse events reported in association with cascara, bitterless extract, and zero product recalls attributable to this ingredient. However, it is important to note that this additive has not been granted GRAS (Generally Recognized as Safe) status by the FDA, meaning it has not undergone the formal safety assessment process that results in that designation. This absence of GRAS status does not necessarily indicate the ingredient is unsafe; rather, it indicates that formal GRAS determination has not been pursued or completed through the FDA's administrative process.

Historically, cascara sagrada bark has been used in traditional medicine as a laxative, and whole bark preparations contain anthraquinone compounds with purgative effects. However, the bitterless extract used in food applications is processed specifically to remove or reduce such active components. The lack of reported adverse events in the FDA database suggests that current food-use levels and formulations have not generated safety concerns among consumers or regulatory authorities.

## Regulatory Status

Cascara, Bitterless, Extract is not currently listed on the FDA's GRAS list, indicating it does not have formal GRAS recognition. This means foods containing this additive may require specific FDA approval or may be marketed under the assumption that the ingredient is safe for its intended use, depending on the regulatory pathway chosen by manufacturers. Different countries may have varying regulatory approaches to this ingredient. Manufacturers considering use of this ingredient should verify current regulatory requirements in their target markets, as regulations governing natural colorants and food additives continue to evolve globally.

## Key Studies

Limited published scientific literature specifically addresses cascara bitterless extract as a food additive in modern food safety databases. Most historical research on cascara relates to its traditional use as a botanical laxative rather than its application as a food colorant or flavoring agent. The absence of reported adverse events and recalls, combined with its minimal contemporary use in commercial food products, suggests that comprehensive modern safety studies specific to this food additive application may not be readily available in peer-reviewed literature. Further safety data and research specific to food-use applications would help establish a more complete safety profile.

## Sources

- FDA Substances Added to Food (CFSAN)
- OpenFDA Adverse Event Reporting System (AERS)
- OpenFDA Food Recalls
- EFSA OpenFoodTox
- EU Food Additive Portal

## Citation

Additive Facts. "Cascara, Bitterless, Extract (rhamnus Purshiana Dc.) — Safety, regulation, and evidence." https://additivefacts.com/additives/cascara-bitterless-extract-rhamnus-purshiana-dc. Accessed 2026-05-19.