# Angola Weed (roccella Fuciformis Ach.)

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**Safety rating:** UNKNOWN
**CAS number:** 977038-44-0
**Category:** flavoring
**FDA GRAS:** no
**Adverse events (FDA AERS):** 0
**FDA recalls:** 0
**Last updated:** 2026-04-02

## Summary

Angola Weed (Roccella fuciformis) is a lichen species used as a natural flavoring agent in food products. It has not received FDA GRAS (Generally Recognized as Safe) status and has no reported adverse events or recalls in FDA databases.

## 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 Angola Weed?

Angola Weed, scientifically known as Roccella fuciformis Ach., is a lichen—a composite organism formed from a symbiotic relationship between fungi and algae. This particular species has been traditionally used in various applications, including as a source of natural colorants and flavoring compounds. The lichen is found in African regions and has historical use in traditional preparations. In modern food applications, it is classified as a flavoring agent or flavoring adjuvant.

## Common Uses

Angola Weed is employed in the food industry primarily as a natural flavoring agent. Lichens in general have been used historically in food and beverage applications, particularly in traditional cuisines. The compound CAS number 977038-44-0 identifies this specific material for regulatory and identification purposes. However, detailed information about specific food applications and prevalence of use in commercial products remains limited in publicly available databases. It may be used in specialty food products, beverages, or traditional food formulations where natural flavoring sources are preferred.

## Safety Assessment

Based on available FDA data, there are zero reported adverse events associated with Angola Weed and zero product recalls linked to this ingredient. This absence of reported safety issues suggests it has not generated safety concerns in the regulatory system. However, it is important to note that the lack of adverse event reports does not automatically indicate comprehensive safety data. Limited usage or market presence could also contribute to the absence of reported incidents.

The lichen's traditional use in some cultures suggests a history of consumption, though modern toxicological studies specific to this species appear limited in public literature. As with many traditional plant-based ingredients, safety primarily depends on proper identification, contamination prevention, and appropriate usage levels.

## Regulatory Status

Angola Weed has not received FDA GRAS (Generally Recognized as Safe) status. This means the ingredient has not been formally determined by the FDA to be safe for its intended use through the GRAS notification process or affirmative determination. GRAS status requires either a history of safe use before 1958 or substantial scientific agreement about safety among qualified experts.

The absence of GRAS status does not necessarily indicate the ingredient is unsafe; rather, it indicates that formal safety documentation and regulatory approval through established channels have not been completed or submitted. Companies wishing to use this ingredient in FDA-regulated food products would need to either establish GRAS status or comply with FDA regulations for food additives, including potential premarket approval requirements depending on the food category and intended use.

Under European regulations, this ingredient's status would need to be evaluated separately against EFSA criteria for food additives and flavorings.

## Key Studies

Publicly available peer-reviewed research specifically addressing the safety or efficacy of Roccella fuciformis as a food flavoring ingredient appears limited. Most scientific literature on lichens focuses on their ecological roles, bioactive compounds, or traditional medicinal applications rather than food flavoring safety data.

For regulatory purposes, any company seeking to use this ingredient would likely need to conduct or compile toxicological studies, including acute and chronic toxicity assessments, depending on anticipated consumption levels and regulatory requirements. The EFSA's Scientific Committee on Food Additives or equivalent regulatory bodies would require such data for formal safety evaluation.

Further research into the phytochemical composition and safety profile of this specific lichen species in food applications would be beneficial for regulatory clarity and consumer transparency.

## 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. "Angola Weed (roccella Fuciformis Ach.) — Safety, regulation, and evidence." https://additivefacts.com/additives/angola-weed-roccella-fuciformis-ach. Accessed 2026-05-19.