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Home > Products > Natural Plant Extract > Improve Immunity Plant Extract > Bulk Seaweed Extract Rich in Fucoidan and Polysaccharides for Agriculture and Immune Health
  • Bulk Seaweed Extract Rich in Fucoidan and Polysaccharides for Agriculture and Immune Health
  • Bulk Seaweed Extract Rich in Fucoidan and Polysaccharides for Agriculture and Immune Health
  • Bulk Seaweed Extract Rich in Fucoidan and Polysaccharides for Agriculture and Immune Health
  • Bulk Seaweed Extract Rich in Fucoidan and Polysaccharides for Agriculture and Immune Health
  • Bulk Seaweed Extract Rich in Fucoidan and Polysaccharides for Agriculture and Immune Health
  • Bulk Seaweed Extract Rich in Fucoidan and Polysaccharides for Agriculture and Immune Health
  • Bulk Seaweed Extract Rich in Fucoidan and Polysaccharides for Agriculture and Immune Health

Bulk Seaweed Extract Rich in Fucoidan and Polysaccharides for Agriculture and Immune Health

  • $18
    1-49
    Kilogram
  • $15
    50-99
    Kilogram
  • $13
    ≥100
    Kilogram
Payment Type:
T/T
Incoterm:
FOB
Min. Order:
1 Kilogram
Transportation:
Ocean,Air,Express
Port:
S,h,a
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  • Product Description
Overview
Product Attributes

Model No.: SNT-006

Origin: China

Certification: FDA ISO Halal

Supply Ability & Additional Information

Productivity: 50000kg

Transportation: Ocean,Air,Express

Place of Origin: China

Supply Ability: 50000kg

Certificate: FDA ISO Halal

HS Code: 1302199099

Port: S,h,a

Payment Type: T/T

Incoterm: FOB

Packaging & Delivery
Selling Units:
Kilogram
Picture Example:
 

Seaweed Extract — Natural Polysaccharides & Fucoidan for Immune Support & Functional Foods

Sargassum pallidum / Sargassum fusiforme · 10:1 standard ratio · Polysaccharides 50% · Custom 4:1 to 50:1 · OEM/ODM ready

Consistent quality, reliable supply, and a partner who understands your formulation needs. We are Fufeng Snotra Bio-Tech Co., Ltd. – 18 years in botanical extraction, from our own cultivation bases to our GMP-compliant manufacturing facilities. Our Natural Plant Extract portfolio includes Seaweed Extract (Sargassum pallidum (Turn.) C. Ag. / Sargassum fusiforme (Harv.) Setch.), also known as Kelp Extract, Brown Seaweed Extract, or海藻提取物. Derived from the dried thallus of marine brown algae, this extract delivers a rich profile of natural bioactive compounds including polysaccharides (fucoidan, laminaran), alginic acid, fucoxanthin, minerals (iodine, potassium), and vitamins. It is widely used in dietary supplements, functional beverages, food products, cosmetics, and animal feed additives for its immune-modulating, antioxidant, anti-inflammatory, and thyroid-supporting properties. We offer ratios from 4:1 to 50:1, polysaccharide content up to 50%, custom granulation, and private-label packaging – exactly what your formulation requires.[reference:0][reference:1][reference:2]

Key Specifications

Parameter Specification
Product Name Seaweed Extract / Kelp Extract / Brown Seaweed Extract
English Synonym Seaweed Polysaccharide Extract / Sargassum Extract
Latin Name Sargassum pallidum (Turn.) C. Ag. / Sargassum fusiforme (Harv.) Setch.
Family Sargassaceae (马尾藻科)
Used Part Dried thallus (干燥藻体)
Extraction Ratios (Standard) 10:1, 20:1, 30:1
Extraction Ratios (Custom) 4:1, 5:1, 50:1
Active Components (Standard) Seaweed Polysaccharides 30%, 50%
Active Components (Custom) Polysaccharides 10% – 80%
Key Bioactive Compounds Fucoidan (褐藻糖胶), Alginic Acid (褐藻胶), Laminaran (海带淀粉), Fucoxanthin (岩藻黄质), Mannitol, Iodine, Potassium[reference:3][reference:4]
Appearance Fine powder, uniform, no caking
Color Brown to brownish-yellow powder
Taste / Nature Bitter and salty; cold in nature[reference:5][reference:6]
Particle Size 80-100 mesh (standard)[reference:7][reference:8]
Test Methods UV / HPLC / TLC[reference:9][reference:10]
Sample Packaging 1 kg / aluminum foil bag[reference:11][reference:12]
Bulk Packaging 25 kg / fiber drum with double-layer plastic liner[reference:13][reference:14]
Custom Packaging 5 kg, 10 kg, 15 kg, 30 kg available
MOQ 1 – 5 kg[reference:15]
Shelf Life 24 months[reference:16][reference:17]
Storage Sealed, cool, dry, away from light and moisture[reference:18]

Why Choose Us

  • Vertical integration – We own cultivation bases and manufacturing facilities. Full control from raw material to finished Fruit Powder and herbal extracts.
  • Flexible customization – Any ratio (4:1 to 50:1), polysaccharide content (10%–80%), particle size, or packaging – no rigid product lines.[reference:19][reference:20]
  • Batch-to-batch consistency – Rigorous in-house testing (UV, HPLC, TLC) with full COA documentation ensures stability across every order. We can provide factory inspection reports and third-party test reports.[reference:21][reference:22]
  • Global export experience – 18 years serving international B2B buyers; we handle documentation, logistics, and regulatory support.
  • Responsive technical support – Free samples available. Our team assists from product development through to ongoing supply.[reference:23]

Customer Case

Background: A European Functional Food brand was developing a line of immune-support and thyroid health supplements. They wanted a natural, nutrient-rich marine ingredient with high polysaccharide content to replace synthetic additives in their formulations.

Challenge: Their previous supplier could not provide consistent batch quality – polysaccharide content and iodine levels varied significantly between lots, and the powder had poor solubility in their beverage applications.

Solution: We supplied Seaweed Extract standardized to 10:1 with 50% Polysaccharides by UV/HPLC, with full COA documentation including heavy metals, microbiology, and iodine content. We provided custom 100-mesh granulation for better dispersion in their mixing equipment and private-label packaging in 5 kg and 25 kg sizes.

Result: The brand successfully launched their immune support product line across 12 European markets. Batch consistency has been maintained at ±3% variance across 20+ production lots. Their procurement lead time reduced by 25%, and they have since added a functional beverage SKU featuring our Seaweed Extract.

Frequently Asked Questions

Q1: What is the difference between seaweed extract and kelp extract?

Seaweed Extract and Kelp Extract are often used interchangeably, but there is a distinction. "Seaweed" is a broad term that encompasses many species of marine algae, including brown, red, and green algae. "Kelp" specifically refers to large brown seaweeds in the order Laminariales. Our Seaweed Extract is derived from Sargassum pallidum and Sargassum fusiforme, which are brown seaweeds (also known as "大叶海藻" and "小叶海藻" in Traditional Chinese Medicine). These species are rich in fucoidan, alginic acid, and laminaran, and are traditionally used for their immune-modulating and thyroid-supporting properties.[reference:24][reference:25]

Q2: What certifications and documentation do you provide?

Our facility holds ISO9001, ISO22000, HACCP, and HALAL certifications – these are factory-level quality management systems. For each batch of Seaweed Extract, we provide a Certificate of Analysis (COA) covering botanical identification (TLC), polysaccharide assay (UV/HPLC), moisture, particle size (80-100 mesh), heavy metals, and microbiology. Our products are produced using spray drying technology, which preserves nutritional components and ensures excellent solubility.[reference:26][reference:27] If you need product-specific third-party certifications (organic, Kosher) or additional tests (pesticide residue, iodine content, aflatoxins, GMO), please contact us – we can arrange these based on your order volume and target market requirements.

Q3: What are the recommended usage levels for seaweed extract?

Typical starting points based on industry practice:
• Dietary supplements (capsules/tablets): formulate to deliver target polysaccharide content
• Solid beverages / drink mixes: 5%
• Liquid beverages: 5%
• Functional foods / snacks: 3-5%
• Cosmetic formulations: 1%-3%
• Animal feed additives: 0.5%-2% of feed formulation[reference:28]
We recommend working with your R&D team to determine optimal levels for your specific formulation and target market. We provide formulation guidance and technical support upon request.

Ready to Source Seaweed Extract?

Request a free sample or a custom quote today. We are here for long-term partnership – not just a single transaction.

 

All product specifications are based on confirmed product data. Factory certifications (ISO9001, ISO22000, HACCP, HALAL) are listed as company-level qualifications.

Product Categories : Natural Plant Extract > Improve Immunity Plant Extract

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