Ascophyllum Nodosum Extract Powder

Ascophyllum nodosum, the knotted wrack of North Atlantic rocky shores, is a brown seaweed, and its thallus is the only material behind this extract. The seaweed is extracted in water, concentrated and dried to a brown powder. Holdfasts and attached epiphytes are not intended raw materials.

This ascophyllum nodosum extract is a 10:1 ratio extract with no marker assay and no polysaccharide percentage. The powder is milled to 80 mesh and disperses in water. It is a plain seaweed extract defined by species, part and ratio.

Ascophyllum nodosum Thallus Source & Identity

The botanical entity is Ascophyllum nodosum (L.) Le Jol., a brown alga of the class Phaeophyceae that grows on sheltered intertidal rock in the North Atlantic. The part used is the thallus, the entire frond body. It has a single air bladder along each frond, which sets it apart from related wracks.

Fucus vesiculosus, bladderwrack, has paired air bladders and is a separate species. Kelp such as Laminaria is a different order. Seaweed names get mixed up on commercial lists, so the species on the specification is the safest identification.

Brown seaweeds of this kind are characterised by alginate, sulfated fucose polysaccharides, mannitol and polyphenols.

What 10:1 Means for Ascophyllum nodosum

The 10:1 ratio of this ascophyllum nodosum extract describes the weight of seaweed concentrated into the powder. It is not an alginate, fucoidan or iodine figure. Because a brown seaweed holds several large families of compounds, a ratio extract is best read as a whole-water-extract profile rather than a single analyte.

Natural variation in marine material also matters. Mineral and iodine content of seaweeds changes with growing site and season, so any figure on those parameters belongs to a tested lot and is not given here for the species. The specification below defines what is fixed: species, part, solvent, ratio and particle size.

Typical Specifications

Specification ItemProduct Information
Latin NameAscophyllum nodosum
Plant PartSeaweed & Algae
ProcessingWater Extraction
Common NameKnotted Wrack, Rockweed
Ingredient TypeRatio Extract
Extract Ratio10:1
AppearanceBrown powder
Solubility / DispersibilityWater Dispersible
Quality Parameters
Moisture (LOD)≤5.0%
Total Ash≤5.0%
Particle Size80 mesh
Heavy MetalsLead ≤2 ppm · Arsenic ≤1 ppm · Cadmium ≤1 ppm · Mercury ≤0.1 ppm
MicrobiologyTPC ≤1,000 cfu/g · Yeast & Mold ≤100 cfu/g · E. coli Negative · Salmonella Negative/25 g
Shelf Life24 months in unopened original packaging, cool and dry storage

Application Areas

Capsules for a Salty, Marine Extract

Ascophyllum nodosum extract carries a marine smell and a salty edge that a capsule shell keeps out of the mouth. Fill ascophyllum nodosum extract after checking flow at 80 mesh, and keep the hopper covered, since marine salts pull moisture from the air.

Tablets with Moisture Barrier

Tablets pressed from an ascophyllum nodosum extract can pick up water and swell on storage. Use a dry binder, a late-added lubricant and a film coat that acts as a moisture barrier. Compare hardness after a week in the final pack.

Stick Packs with Strong Flavour

A single-serve stick needs a flavour that stands up to the marine note. Citrus, mint, ginger or a savoury-leaning base suit ascophyllum nodosum extract better than a delicate floral flavour. Taste the stick at the planned dose before fixing the fill weight.

Gummy Premixes

In gummies, the ascophyllum nodosum extract is blended into the dry sugar portion before cooking. Alginate gelling is calcium-driven, so avoid mixing the extract directly with high-calcium ingredients unless that is intended, and check the set of the gummy after a week, because a seaweed polysaccharide can change texture on ageing.

Powder Sachets for Hot or Cold Mixing

Sachets work when the user stirs the powder into a flavoured, opaque base. The thickening effect of the alginate fraction becomes visible once the powder is fully hydrated, so a test cup should rest for a few minutes before it is judged. A pre-blend with a sugar or fibre carrier reduces clumping at the surface.

Formulation Notes

Ascophyllum nodosum extract is a brown powder with a marine odour. In water it forms a brown, slightly viscous dispersion, because the alginate and fucose-rich polysaccharides of the thallus thicken the liquid. The dispersion can gel on contact with calcium or other multivalent ions, which makes the choice of water and co-ingredients a real formulation variable.

Add the powder slowly into vortexing water, since dry clumps are slow to hydrate. In dry blends, sieve with the carrier first. Once opened, keep the container tightly closed and store it cool and dry, off the floor.

Packaging & Commercial Supply

Essencefield supports product evaluation, formulation trials, commercial orders, and ongoing ingredient supply. Packaging, storage, and shipping arrangements are determined by product characteristics, order quantity, stability requirements, and destination-market needs.

Supply ItemGeneral Information
SampleAvailable upon request for formulation, testing, and supplier evaluation
Order Quantities100 g · 1 kg · 5 kg · 25 kg · 100 kg · 500 kg · Bulk
Sample Lead TimeTypically 5–7 days after sample confirmation
Production Lead TimeTypically 15–30 days after order and specification confirmation
PackagingSuitable protective inner packaging with bags, cartons, drums, or other appropriate outer packaging
StorageStore in tightly sealed, suitable protective packaging in a cool, dry environment. Protect from moisture, heat, and direct sunlight. Specific storage conditions follow the approved product specification.
DocumentationCOA · Product Specification · TDS · SDS · Applicable declarations (as applicable)

Final order quantities, lead times, packaging, documentation, and shipping arrangements are confirmed according to the selected product and commercial requirements.

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