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Ascophyllum nodosum
Ascophyllum nodosum
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Ascophyllum nodosum

  • Potassium, Magnesium, Calcium, Iodine
  • Natural fertilizer
  • Extraction of alginic acids
  • Skin hydration[11, 12]

Delivery time
On request
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Bio organic algae product

DE-ÖKO-070
EU agriculture

This product is also available in conventional form in addition to the organic version.

Product Overview

Ascophyllum nodosum, commonly known as knotted wrack, is a brown macroalgae found in the cold waters of the North Atlantic, including the North and Baltic Seas. It is valued for its rich content of minerals such as potassium, magnesium, calcium, and iodine, and is widely used across multiple industries. Ascophyllum nodosum serves as a source of alginic acids in food applications, is applied as a natural fertilizer to support plant health, and is incorporated into cosmetic formulations for its moisturizing and skin-conditioning properties. Its bioactive compounds, including fucoidan and fucoxanthin, contribute to skin hydration and protection, making it a versatile ingredient for food, cosmetics, agriculture, and feed applications.

Introduction: Ascophyllum nodosum

Functional Highlights

  • Rich in minerals such as iodine, potassium, magnesium, and calcium [10]
  • Source of alginic acids used as thickening and gelling agents in food applications [2]
  • Contains bioactive compounds such as fucoidan and fucoxanthin with antioxidant and skin-protective properties [15]
  • May support skin hydration and elasticity in cosmetic formulations [11, 12]
  • Exhibits potential anti-inflammatory properties for skin applications [15]
  • May contribute to iodine intake, supporting iodine levels in the body [10]
  • Studies suggest potential to help reduce dental plaque formation [13]
  • Used as a biostimulant in agriculture to support plant growth and stress resistance [3, 4, 5]
  • Provides bioactive compounds that may enhance nutrient uptake in plants [3]
  • Shows potential prebiotic and antibacterial properties in animal feed applications [8, 9]

Typical applications: Ascophyllum nodosum

 

typical applications for Ascophyllum nodosum Powder

Typical applications

  • Food supplements and nutraceuticals [10, 13]
  • Functional food ingredients (e.g. beverages, snacks, fortified products) [2, 14]
  • Animal feed and pet nutrition [6, 7, 8, 9]
  • Cosmetic formulations (e.g. creams, masks, skin care products) [11, 12, 15]
  • Natural fertilizer and agricultural biostimulant [3, 4, 5]

Product information: Ascophyllum nodosum

Technical Specifications

Appearance Brown to dark green powder
Moisture ≤ 16%

Nutritional composition (per 100 g)

Energy 924 kJ / 222 kcal
Fat 2,8 g
Of which saturated 1,0 g
Carbohydrates 24,0 g
Of which sugars 0,0 g
Fiber 33,0 g
Protein 9,1 g
Salt 9,8 g
Iodine 68,500 µg


Microbial purity

Escherichia coli < 100 CFU/g
Salmonella Absent in 25 g

*All values are based on current analytical data and may vary between batches. Please request a Certificate of Analysis for exact specifications.

 

Product / Cultivation Notes

Ascophyllum nodosum is a brown macroalga that grows in the cold coastal waters of the North Atlantic, including the North and Baltic Seas. It typically inhabits the intertidal zone, where it attaches to rocks and other hard substrates using holdfast structures.

The algae is harvested using sustainable practices, with parts of the fronds left in place to ensure natural regeneration and continued population growth. Harvesting is seasonal and depends on regional environmental conditions.

After harvesting, Ascophyllum nodosum is gently dried and further processed into powder or extracts. Processing is carried out under controlled conditions to preserve its natural composition, including minerals, polysaccharides (such as alginates and fucoidans), and other bioactive compounds.

Depending on the application, it is used either as a raw powder for food and feed applications or as a standardized extract for cosmetic and functional formulations. Careful sourcing and controlled processing are essential to ensure consistent quality and minimize contamination risks.

 

Ordering & Contact

We supply Ascophyllum nodosum powder and extracts in bulk quantities for B2B customers across the food, dietary supplement, cosmetics, animal feed, and agriculture sectors. The product is available in certified organic (DE-ÖKO-070) and conventional variants. Delivery times are available on request. Contact us for pricing, volume requirements, or technical specification sheets.
 

FAQ

What is Ascophyllum nodosum?

Ascophyllum nodosum is a brown macroalgae belonging to the group of brown algae. It is commonly known as “knotted wrack” due to its characteristic knot-like air bladders that develop along the fronds during growth.

 

Where is Ascophyllum nodosum used?

Ascophyllum nodosum is edible and can be used in food products, but it is more commonly applied as a functional ingredient in the food industry.

Due to its diverse bioactive compounds, it is widely used in dietary supplements, typically in capsules or as part of formulations. It is also used in cosmetics for its skin-beneficial properties, as well as in animal feed and agriculture.

What is the effect of Ascophyllum nodosum in food and dietary supplements?

Ascophyllum nodosum offers several functional benefits when used in foods and dietary supplements.

Studies suggest that its intake may help reduce dental plaque formation[13]. Additionally, depending on origin and harvesting conditions, it can be a rich source of iodine, contributing to iodine intake in cases of deficiency[10].

Its overall nutritional profile, including minerals, vitamins, and amino acids, makes it a versatile ingredient for various applications.

What is the effect of Ascophyllum nodosum in cosmetics?

Ascophyllum nodosum provides moisturizing and anti-inflammatory properties in cosmetic applications. Compounds such as fucoidan and fucoxanthin may help protect against UV radiation and improve skin elasticity, contributing to anti-aging effects[15].

In powder form, it also offers mild exfoliating properties, helping to remove dead skin cells and improve skin appearance[12].

Alginic acid acts as a natural thickening agent and can create a firmer skin appearance, while its minerals and vitamins support a fresher complexion[12].

What is the application of Ascophyllum nodosum in agriculture?

Ascophyllum nodosum is used in agriculture as a natural fertilizer and biostimulant. Its bioactive compounds can enhance plant resilience and support growth under environmental stress conditions[3, 4, 5].

It also provides minerals that become available to plants when applied, contributing to improved nutrient uptake[3].

What is the difference between Ascophyllum nodosum and kelp or Laminaria digitata?

Both belong to brown algae, but differ in morphology and usage. Ascophyllum nodosum is smaller and characterized by nodular air bladders, while Laminaria digitata can grow significantly longer and forms kelp forests.

Laminaria digitata is more commonly used directly as a food ingredient, whereas Ascophyllum nodosum is more frequently used in extract form for functional applications.

Which Ascophyllum nodosum should one buy?

When selecting Ascophyllum nodosum, factors such as origin and environmental quality are essential, as algae can absorb substances from their surroundings. Regions with strict quality regulations and low contamination levels are preferable.

Processing methods, including drying and hygiene standards, are also important to ensure product quality. The optimal form depends on the application: powders and flakes are suited for food and supplements, while liquid extracts are preferred for cosmetics.

What are the side effects of Ascophyllum nodosum?

Side effects are rare, but in some cases, ingestion may cause mild gastrointestinal discomfort.

Due to its ability to accumulate heavy metals, sourcing is important. Its high iodine content may also lead to adverse effects if consumed in excessive amounts, so recommended intake levels should be respected.

What is the appropriate dosage of Ascophyllum nodosum?

The appropriate dosage depends on factors such as age, health status, and diet.

As there is no universal guideline, it is recommended to follow the dosage instructions provided by the product manufacturer.

Where does Ascophyllum nodosum grow?

Ascophyllum nodosum grows in cold waters of the North Atlantic, including the North Sea and Baltic Sea, and is less common in the Pacific Ocean.

It typically inhabits intertidal zones, attaching to rocks and other substrates where it can anchor and grow.

Who produces Ascophyllum nodosum?

Ascophyllum nodosum is harvested by producers worldwide, particularly in Europe. It is often collected by local harvesters or cooperatives, which either process the algae themselves or supply it to industry for further processing.

 

Sources

  1. M.D. Guiry in Guiry, M.D. & Guiry, G.M. 17 October 2024. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway (https://www.algaebase.org/search/species/detail/?species_id=5)
  2. Ascophyllum - Wikipedia (https://en.wikipedia.org/wiki/Ascophyllum)
  3. Shukla PS, Mantin EG, Adil M, Bajpai S, Critchley AT, Prithiviraj B. Ascophyllum nodosum-Based Biostimulants: Sustainable Applications in Agriculture for the Stimulation of Plant Growth, Stress Tolerance, and Disease Management. Front Plant Sci. 2019 May 29;10:655. doi: 10.3389/fpls.2019.00655. PMID: 31191576; PMCID: PMC6548832. (https://pubmed.ncbi.nlm.nih.gov/31191576/)
  4. Hasanuzzaman M, Raihan MRH, Siddika A, Rahman K, Nahar K. Supplementation with Ascophyllum nodosum extracts mitigates arsenic toxicity by modulating reactive oxygen species metabolism and reducing oxidative stress in rice. Ecotoxicol Environ Saf. 2023 Apr 15;255:114819. doi: 10.1016/j.ecoenv.2023.114819. Epub 2023 Mar 22. PMID: 36963188. (https://pubmed.ncbi.nlm.nih.gov/36963188/)
  5. Carmody N, Goñi O, Łangowski Ł, O'Connell S. Ascophyllum nodosum Extract Biostimulant Processing and Its Impact on Enhancing Heat Stress Tolerance During Tomato Fruit Set. Front Plant Sci. 2020 Jun 25;11:807. doi: 10.3389/fpls.2020.00807. PMID: 32670315; PMCID: PMC7330804. (https://pubmed.ncbi.nlm.nih.gov/32670315/)
  6. Newton EE, Theodoridou K, Terré M, Huws S, Ray P, Reynolds CK, Prat N, Sabrià D, Stergiadis S. Effect of dietary seaweed (Ascophyllum nodosum) supplementation on milk mineral concentrations, transfer efficiency, and hematological parameters in lactating Holstein cows. J Dairy Sci. 2023 Oct;106(10):6880-6893. doi: 10.3168/jds.2022-23074. Epub 2023 May 18. PMID: 37210373; PMCID: PMC10570403. (https://pubmed.ncbi.nlm.nih.gov/37210373/)
  7. Chaji M, Eslami M, Kordnejad E. Influence of Ascophyllum nodosum algae extract on finishing growth performance and nutrient digestibility of buffalo calves in warm climates. Trop Anim Health Prod. 2020 May;52(3):1335-1343. doi: 10.1007/s11250-019-02138-z. Epub 2019 Nov 30. PMID: 31786721. (https://pubmed.ncbi.nlm.nih.gov/31786721/)
  8. Venardou B, O'Doherty JV, Garcia-Vaquero M, Kiely C, Rajauria G, McDonnell MJ, Ryan MT, Sweeney T. Evaluation of the Antibacterial and Prebiotic Potential of Ascophyllum nodosum and Its Extracts Using Selected Bacterial Members of the Pig Gastrointestinal Microbiota. Mar Drugs. 2021 Dec 30;20(1):41. doi: 10.3390/md20010041. PMID: 35049896; PMCID: PMC8778111. (https://pubmed.ncbi.nlm.nih.gov/35049896/)
  9. Venardou B, O'Doherty JV, Maher S, Ryan MT, Gath V, Ravindran R, Kiely C, Rajauria G, Garcia-Vaquero M, Sweeney T. Potential of a fucoidan-rich Ascophyllum nodosum extract to reduce Salmonella shedding and improve gastrointestinal health in weaned pigs naturally infected with Salmonella. J Anim Sci Biotechnol. 2022 Apr 4;13(1):39. doi: 10.1186/s40104-022-00685-4. PMID: 35369884; PMCID: PMC8978420. (https://pubmed.ncbi.nlm.nih.gov/35369884/)
  10. Brito AF. Assessing the potential of milk iodine intake to mitigate iodine deficiency in pregnant women of the United States via supplementation of Ascophyllum nodosum meal to dairy cows: A sensitivity analysis. J Dairy Sci. 2020 Aug;103(8):6798-6809. doi: 10.3168/jds.2019-17429. Epub 2020 Jun 3. PMID: 32505413. (https://pubmed.ncbi.nlm.nih.gov/32505413/)
  11. Ferreira MS, Resende DISP, Lobo JMS, Sousa E, Almeida IF. Marine Ingredients for Sensitive Skin: Market Overview. Mar Drugs. 2021 Aug 17;19(8):464. doi: 10.3390/md19080464. PMID: 34436303; PMCID: PMC8398991. (https://pubmed.ncbi.nlm.nih.gov/34436303/)
  12. Gager L, Connan S, Cérantola S, Petek S, Couteau C, Coiffard L, Stiger-Pouvreau V. An Eco-Friendly Extraction and Purification Approach for Obtaining Active Ingredients for Cosmetics from Two Marine Brown Seaweeds. Mar Drugs. 2024 Feb 28;22(3):112. doi: 10.3390/md22030112. PMID: 38535453; PMCID: PMC10971643. (https://pubmed.ncbi.nlm.nih.gov/38535453/)
  13. van Dijken JW, Koistinen S, Ramberg P. A randomized controlled clinical study of the effect of daily intake of Ascophyllum nodosum alga on calculus, plaque, and gingivitis. Clin Oral Investig. 2015 Jul;19(6):1507-18. doi: 10.1007/s00784-014-1383-2. Epub 2014 Dec 16. PMID: 25511384. (https://pubmed.ncbi.nlm.nih.gov/25511384/)
  14. Derosa G, Cicero AFG, D'Angelo A, Maffioli P. Ascophyllum nodosum and Fucus vesiculosus on glycemic status and on endothelial damage markers in dysglicemic patients. Phytother Res. 2019 Mar;33(3):791-797. doi: 10.1002/ptr.6272. Epub 2019 Feb 3. PMID: 30714233. (https://pubmed.ncbi.nlm.nih.gov/30714233/)
  15. Pangestuti R, Shin KH, Kim SK. Anti-Photoaging and Potential Skin Health Benefits of Seaweeds. Mar Drugs. 2021 Mar 22;19(3):172. doi: 10.3390/md19030172. PMID: 33809936; PMCID: PMC8004118. (https://pubmed.ncbi.nlm.nih.gov/33809936/)
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