# Furcelleran, Potassium Salt Of

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**Safety rating:** SAFE
**CAS number:** 92880-86-9
**Category:** emulsifier
**FDA GRAS:** no
**Adverse events (FDA AERS):** 0
**FDA recalls:** 0
**Last updated:** 2026-04-02

## Summary

Furcelleran, potassium salt of is a natural polysaccharide derived from red algae used as an emulsifier, stabilizer, and thickener in food products. It functions similarly to carrageenan and helps maintain texture and consistency in various food applications.

## Regulatory status

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

## Detailed analysis

## What is Furcelleran, Potassium Salt Of?

Furcelleran, potassium salt of (CAS Number: 92880-86-9) is a naturally occurring polysaccharide extracted from certain species of red algae, particularly Furcellaria lumbricalis. It belongs to the carrageenan family of hydrocolloids and consists of alternating galactose and 3,6-anhydrogalactose units. The potassium salt form enhances its solubility and functional properties in food systems. This additive is classified as a food gum or hydrocolloid, making it useful for creating desired texture and mouthfeel in processed foods.

## Common Uses

Furcelleran, potassium salt of is primarily used in dairy products, including yogurts, puddings, and cream-based desserts, where it stabilizes emulsions and prevents separation. It is also utilized in meat products to retain moisture and improve texture, in plant-based foods as a binder, and in confectionery applications. The additive functions as a thickener in sauces and dressings and helps create uniform texture in ice cream and frozen desserts. Its emulsifying properties make it valuable in low-fat and fat-free product formulations where it mimics the mouthfeel of higher-fat versions. Typical usage levels range from 0.1% to 1% by weight, depending on the food application and desired effect.

## Safety Assessment

Furcelleran has been evaluated for safety by regulatory authorities in multiple countries. The additive is derived from natural sources and undergoes processing to isolate and purify the active polysaccharide. As a polysaccharide, it is not absorbed intact in the human gastrointestinal tract and passes through largely unchanged. The FDA has not classified furcelleran, potassium salt as GRAS (Generally Recognized As Safe) in the United States, though this reflects regulatory classification rather than a safety concern. The European Food Safety Authority (EFSA) has approved related carrageenan hydrocolloids with established safety profiles. No adverse events have been reported to the FDA associated with this additive, and no product recalls have been attributed to furcelleran, potassium salt. Toxicological studies on similar carrageenan-type substances have not identified significant hazards at typical food use levels. Individuals with known sensitivities to seaweed-derived ingredients should be aware of the marine origin of this additive.

## Regulatory Status

Regulatory approval for furcelleran, potassium salt varies by jurisdiction. In the European Union, it is permitted as a food additive (E-number system pending confirmation). It is approved in many countries for use in specific food categories with defined maximum usage levels. In the United States, while not GRAS-listed, it may be used in specific applications pending individual approval or existing regulatory frameworks for similar hydrocolloids. Manufacturers should verify current regulatory status in their specific markets, as regulations continue to evolve. The additive must meet specifications for purity and composition set forth in international standards such as the FAO/WHO Codex Alimentarius.

## Key Studies

Research on furcelleran and related carrageenan compounds has primarily focused on their functional properties and general safety profile. Studies have demonstrated that carrageenan-type polysaccharides are not mutagenic or genotoxic at relevant exposure levels. Digestive tolerance studies indicate that these hydrocolloids are well-tolerated, with minimal gastrointestinal effects at normal consumption levels. The molecular structure of furcelleran has been characterized through spectroscopic methods, confirming its composition and stability. Limited specific clinical studies exist for furcelleran alone, though extensive data supports the safety of chemically similar carrageenan hydrocolloids used in food for decades. Ongoing research continues to evaluate the functional properties and potential prebiotic effects of seaweed-derived polysaccharides.

## 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. "Furcelleran, Potassium Salt Of — Safety, regulation, and evidence." https://additivefacts.com/additives/furcelleran-potassium-salt-of. Accessed 2026-05-19.