# Haematococcus Algae Meal

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> Markdown URL: https://additivefacts.com/additives/haematococcus-algae-meal.md

**Safety rating:** UNKNOWN
**CAS number:** 977176-72-9
**Category:** colorant
**FDA GRAS:** no
**Adverse events (FDA AERS):** 0
**FDA recalls:** 0
**Last updated:** 2026-04-02

## Summary

Haematococcus Algae Meal is a natural colorant derived from Haematococcus pluvialis, a freshwater green microalga rich in astaxanthin pigments. It is used in food production to impart red, orange, and pink colors to various 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 Haematococcus Algae Meal?

Haematococcus Algae Meal is a dried biomass product obtained from Haematococcus pluvialis, a unicellular freshwater green alga. The alga naturally accumulates astaxanthin, a carotenoid pigment, under stress conditions such as high light exposure or nutrient limitation. This pigment gives the algal biomass its characteristic red and orange coloration. The meal form represents the dried, processed algal cells that can be incorporated into food formulations as a natural colorant.

## Common Uses

Haematococcus Algae Meal is primarily used as a natural colorant in the food industry to replace synthetic dyes in applications requiring red, orange, and pink hues. Common applications include:

- Aquaculture feed (particularly salmon and shrimp farming, where it enhances flesh pigmentation)
- Beverage colorants
- Confectionery and candy products
- Dairy products and yogurts
- Nutritional supplements and functional foods
- Cosmetics and personal care products

The product appeals to manufacturers seeking natural, plant-based alternatives to synthetic colorants like tartrazine or allura red AC.

## Safety Assessment

Haematococcus Algae Meal has not been approved by the FDA as a Generally Recognized as Safe (GRAS) substance for use as a food colorant in the United States. However, the FDA has recorded zero adverse events and zero recalls associated with this ingredient, suggesting a favorable safety profile in practical use.

The primary active component, astaxanthin, has been extensively studied and generally recognized as safe when consumed at typical dietary levels. Astaxanthin is a non-provitamin A carotenoid, meaning it does not convert to vitamin A in the body, reducing the risk of hypervitaminosis A associated with some carotenoid sources.

Key safety considerations include:

- **Allergenic potential**: As an algal product, individuals with algae sensitivities should exercise caution, though such allergies are rare
- **Microbial contamination**: Proper cultivation and processing protocols are essential to prevent pathogenic microorganism growth
- **Heavy metal accumulation**: Algae can bioaccumulate certain metals; reputable suppliers conduct heavy metal testing
- **Solvent residues**: Processing methods must be validated to ensure removal of any extraction solvents

Acute and chronic toxicity studies on astaxanthin-rich algal products have not identified significant safety concerns at levels used in food coloring applications.

## Regulatory Status

The regulatory landscape for Haematococcus Algae Meal varies by jurisdiction:

**United States**: Not FDA GRAS approved for use as a direct food colorant. However, astaxanthin from Haematococcus has been recognized as acceptable in certain aquaculture feed applications.

**European Union**: The ingredient may be used in some member states under existing natural colorant provisions, though it does not have a specific EU approved additive number (E-number).

**Other regions**: Approval status varies; some countries permit it under natural colorant exemptions, while others maintain specific restrictions.

Manufacturers using this ingredient should verify current regulatory approval in their target markets before commercializing products containing Haematococcus Algae Meal.

## Key Studies

Research on Haematococcus pluvialis and astaxanthin focuses primarily on nutritional benefits rather than safety concerns:

- Studies in aquaculture demonstrate effective pigmentation transfer with no adverse health effects in cultured fish and crustaceans
- Bioavailability studies confirm astaxanthin absorption from algal sources
- Antioxidant research indicates potential health benefits, though food colorant applications rely on pigmentation rather than functional claims
- Cultivation studies emphasize optimization of astaxanthin production and quality consistency

The lack of reported adverse events in FDA databases, combined with the established safety profile of astaxanthin in food applications, suggests this colorant presents minimal acute toxicity risk. However, the absence of GRAS approval indicates that formal FDA safety review and authorization have not been completed.

## 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. "Haematococcus Algae Meal — Safety, regulation, and evidence." https://additivefacts.com/additives/haematococcus-algae-meal. Accessed 2026-05-19.