Xi'an Sentian Biotechnology Co., Ltd. is one of the leading manufacturers and suppliers of fucoidan powder in China. We are committed to providing high quality customized service and OEM&ODM private label service for global clients. Please feel free to buy bulk fucoidan powder in stock here from our factory. Also, free sample is available.
What is Fucoidan Powder?
The Fucoidan Powder is a sulfated polysaccharide extracted from the brown seaweed (e.g., mozuku, wakame, and kombu), which is commonly applied as a functional ingredient in food, beverage, cosmetic, and nutraceutical industries. It is known for its consistent polymer structure, adjustable molecular weight distribution, and different purities, which are usually achieved by water extraction, ethanol precipitation, and other multiple purification steps, which provide for uniform and batch-to-batch reliability. The ingredient is usually supplied as a light yellow to brown hygroscopic powder, which, upon processing, is water soluble or dispersible as appropriate, with the ability to be incorporated in capsules, functional beverages, emulsified systems, and topical formulations. The industrial supply chain can rely on it with full COA documentation, microbial limits testing, and traceability records according to the GMP, ISO, and HACCP manufacturing frameworks. It is also commonly provided in OEM/ODM forms that enable the brand owner or contract manufacturer to tailor the product to their requirements by varying particle size, MWD, and concentration ratios. The polysaccharide nature makes it a good stabiliser and texturizing agent for complex systems, particularly those that use marine-derived polysaccharides.

COA
| Item | Specification | Result | Method |
| Product Name | Fucoidan Powder | Complies | Visual |
| Botanical Source | Brown Seaweed (Fucus / Undaria) | Complies | Microscopy |
| Appearance | Light yellow to brown fine powder | Conforms | Visual |
| Odor | Characteristic | Conforms | Organoleptic |
| Fucoidan Assay | ≥ 85.0% | 85.63% | UV |
| Sulfate Content | ≥ 20.0% | 22.15% | Titration |
| Particle Size | 95% pass 80 mesh | Conforms | Sieve analysis |
| Loss on Drying | ≤ 5.0% | 3.21% | USP Method |
| Ash Content | ≤ 10.0% | 6.84% | Gravimetric |
| pH (1% solution) | 5.0 – 7.5 | 6.32 | pH meter |
| Bulk Density | 0.40 – 0.70 g/mL | 0.56 g/mL | Tapped density |
| Heavy Metals (Total) | ≤ 10 ppm | Conforms | ICP-MS |
| Lead (Pb) | ≤ 2 ppm | < 0.5 ppm | ICP-MS |
| Arsenic (As) | ≤ 1 ppm | < 0.2 ppm | ICP-MS |
| Cadmium (Cd) | ≤ 1 ppm | < 0.1 ppm | ICP-MS |
| Mercury (Hg) | ≤ 0.1 ppm | < 0.01 ppm | ICP-MS |
| Total Plate Count | ≤ 1,000 CFU/g | < 100 CFU/g | Microbial test |
| Yeast & Mold | ≤ 100 CFU/g | < 10 CFU/g | Microbial test |
| E. coli | Negative | Negative | USP |
| Salmonella | Negative | Negative | USP |
Sentian Bio provides free samples, OEM/ODM customized products, and professional technical support. Contact us anytime at sales3@sentianbio.com or LEAVE A MESSAGE!
Market Trends
As more and more manufacturers are looking for natural origin materials that are traceable, sustainably harvested, and lightly processed, so is demand. Seaweeds are taking advantage of this trend, as their products, such as Polysaccharides Fucoidan, are compatible with the development of ocean-based bioeconomy, and the wider concept of the "blue economy," which considers the ocean as an alternative to synthetic additives. Meanwhile, consumers are pushing for ingredient diversification with botanical and marine ingredients and are reformulating to embrace familiar and non-synthetic ingredients to drive indirect demand. Technological innovations in the field of extraction and standardization are also influencing the fucoidan market, leading to a more uniform fucoidan molecular weight distribution, purity, and functional activity in formulation systems. This has allowed for greater industry acceptance in high-end cosmetic products, functional food ingredients, and specialty nutraceutical blends, where the function of the ingredient in the product is a major purchase consideration, more so than one attribute alone. Meanwhile, supply chain development in other areas, like the East Asian region, is enhancing scalability and cost efficiency to enhance competitiveness for incorporating into mid to high-tier supplies.
Features
It is a structurally complex sulfated polysaccharide with variable sulfate group substitution in the backbone, with a high percentage of l-fucose units and a direct effect on the physicochemical behavior and functional performance of the formulations. It is usually in the form of a fine, hygroscopic powder that varies in colour from light yellow to brown, depending on the source of raw material (e.g., mozuku, wakame, or kombu) and level of purification. It has a number of unique properties, including its high hydrophilicity and water interaction capacity, which will disperse or dissolve it in proper aqueous systems, although this solubility may vary significantly depending on the degree of sulfation and molecular weight distribution of the polymer. The lower molecular weight grades tend to give better dispersibility and smoother solution viscosity profiles, whereas the higher molecular weight fractions tend to lead to increased thickening and film-forming properties in complex systems. The formulation stability has to be optimized under the conditions of controlled pH and ionic strength, especially when it is formulated into multi-ingredient formulations with protein or electrolytes. Fucoidan Powder Bulk also exhibits good compatibility with other polysaccharides like alginate, carrageenan, and cellulose derivatives, which can be used in texture modulation and stabilization systems.

Benefits
1. Formulation versatility across industries
Fucoidan Extract Powder acts as a multifunctional marine polysaccharide, which can be used in food, beverage, cosmetic, and specialty products systems, and provides flexibility to the formulators.
2. Natural origin positioning support
It is a marine ingredient extracted from brown seaweed that can be used to support brands' "marine-based" and "plant-origin" labelling strategies based on clean label and sustainability concepts.
3. Texture and rheology contribution
It can help to adjust the viscosity, add desirable body, and aid in more consistent product properties in aqueous systems, depending on the molecular weight grade.
4. Film-forming and surface interaction capability
Demonstrates natural film-forming properties in solution systems, which may be beneficial in coating applications and surface conditioning formulation in cosmetics and functional coatings.
5. Good compatibility with hydrocolloid systems
May be mixed with other polysaccharides from seaweed and plants and be used in combination with them, to achieve synergistic structuring in complex multi-ingredient formulations.
6. Specification flexibility for OEM production
In various purities and molecular weights for tailored technical specifications in contract manufacturing and private label.
7. Stable sourcing from marine biomass supply chains
Enables large procurement plans as seaweed cultivation and extraction have taken off, thus enhancing the continuity of supplies to industry buyers.
Production Process

Certificate

Exhibition

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