Kelp Extract Powder 10:1, 20:1, 50:1 TLC
【Other names】:Kunbu, Khumbu, Sea-Tangle, Sea Apron, Devil’s Apron
【Botanical source】: Dried leaf like bodies of Laminaria japonica Aresch or Ecklonia kurome Okam plants in the family Myceliaceae
【Part used】: Leaf
【Specification】: 10:1, 20:1, 50:1 TLC
【Extraction solvents】: Water
【Appearance】: Brownish fine powder
【Particle size】: 95% pass 80 mesh size
【Main ingredients】: Kelp is a large seaweed rich in polysaccharides, with its main active ingredients being fucoidan sulfate and alginate. The former has anticoagulant, anti-tumor, and immune regulatory effects; The latter is dietary fiber, which can assist in lowering blood pressure and regulating the intestines. It also contains abundant iodine, mannitol, brown algae polyphenols, and various minerals.
【Storage conditions】:Store at room temperature in a sealed manner, away from light, and in a ventilated, cool, and dry environment.
【Shelf life】: 24 months from the production date

Kelp Extract Powder Production Flowchart
Kelp raw materials -Coarse powder(40 mesh) -Low temperature water extraction – 1st Reflux Extraction(10 times water,2 Hrs) – 2nd Reflux Extraction8 times water,1.5 Hrs) – 3rd Reflux Extraction(6 times water,1 Hrs) – Extraction Solution-combine&Filtrate-Concentrate-Extractum-spray drying – screening – packaging – detection of physical and chemical indicators – warehousing
Specification Sheet of Kelp Extract Powder
| Product name: |
Kelp extract |
| Specification: |
10:1 TLC |
| Part used: |
Dried leaf like bodies of Laminaria japonica Aresch |
| Solvent used: |
Water |
| Process: |
Raw materials crushed, extracted, concentrated and spray-dried to powder |
| Non GMO according to regulation (EC) 1829/2003 and 1830/2003 or United States requirements. Non allergen according to Directive 2007/68 amending Annex IIIa to Directive 2000/13/EC and US Food allergen labelling and consumer protection act 2004. |
| Heavy Metals: |
|
|
|
| Lead: |
NMT 3ppm |
Cadmium: |
NMT 1ppm |
| Arsenic: |
NMT 2ppm |
Mercury: |
NMT 1ppm |
| Residual solvents: |
Comply to USP |
| Pesticides residues: |
Conform to Regulation USP<561> |
| Microbiology: |
|
|
|
| Total plate count: |
10000cfu/g Max |
Yeasts and molds: |
1000cfu/g Max |
| E.coli: |
Not detected in (g)10 |
Salmonella spp.: |
Not detected in (g)25 |
| Staphylococcus aureus: |
Not detected in (g)10 |
Clostridium spp.: |
Not Present in 0.1 g of food |
| Organoleptic quality |
Method |
Specifications |
| Aspect: |
Visual : ( CQ-MO-148) |
Powder |
| Color: |
Visual : ( CQ-MO-148) |
Brownish yellow |
| Flavor: |
Sensory: (CQ-MO-148) |
Characteristic |
| Analytical quality |
Method |
Specifications |
| Identification: |
TLC |
Conform |
| Loss on drying: |
USP <731> |
< 10% |
| Bulk density: |
USP <616> Method I |
40 – 60 g/100mL |
| Particle size: |
Analytical sieving || USP <786> |
100% through 80meshes |
| Packaging suitable for foodstuff. |
Extended Reading
Modern Research Summary on Kelp (Laminaria spp.) Extract
Kelp, a type of brown seaweed, is a rich source of unique bioactive compounds with diverse physiological effects, making it a focus for functional food and pharmaceutical research.
- Chemical Components:
- Polysaccharides: The primary bioactive components, including:
- Alginate: A soluble dietary fiber forming viscous gels, crucial for its digestivesatiety and heavy metal chelation properties.
- Fucoidan: A sulfated polysaccharide with complex, heterogeneous structure, responsible for most of its noted biological activities (anti-cancer, immunomodulatory, antithrombotic).
- Laminarin: A β-glucan storage polysaccharide with prebiotic and potential cholesterol-lowering effects.
- Minerals & Iodine: Exceptionally high, bioavailable iodine content (variable, risk of excess), along with potassium, magnesium, calcium, and iron.
- Pigments & Phenolics: Fucoxanthin (a carotenoid with anti-obesity potential), and phlorotannins (polyphenols with antioxidant activity).
- Other: Proteins, peptides, vitamins (esp. B, K), and trace elements.
- Health Benefits (Pharmacological Activities):
- Metabolic Health: Fucoxanthin promotes thermogenesis and fatty acid oxidation via UCP1 upregulation in white adipose tissue. Alginate induces satiety and modulates glucose absorption.
- Anticancer & Immunomodulation: Fucoidan is extensively studied for inducing apoptosis, inhibiting angiogenesis, and modulating immune cell activity (e.g., enhancing NK cell cytotoxicity) against various cancer lines. It often acts synergistically with chemotherapy.
- Cardiovascular & Anticoagulant: Fucoidan exhibits heparin-like antithrombotic activity. Alginate and laminarin may help manage blood pressure and cholesterol.
- Gastrointestinal Health: Alginate acts as a prebiotic and forms a protective raft for gastroesophageal reflux disease (GERD) management. Its heavy metal binding capacity is noted.
- Antioxidant & Anti-inflammatory: Phlorotannins and fucoidan scavenge free radicals and inhibit pro-inflammatory cytokines (e.g., TNF-α, IL-6).
- Interactions & Warnings:
- Drug Interactions: May potentiate anticoagulant/antiplatelet drugs (e.g., warfarin, aspirin) due to fucoidan. High potassium can interfere with potassium-sparing diuretics and ACE inhibitors. May affect absorption of thyroid medications (levothyroxine) and other oral drugs via alginate’s gel-forming property.
- Contraindications/Warnings: Hyperthyroidism or thyroid autoimmunity (due to high iodine). Severe renal impairment (risk of hyperkalemia). Pregnancy/Lactation should use caution due to variable iodine content and potential heavy metal contamination.
- Key Risks: Iodine-induced thyroid dysfunction (both hypo- and hyperthyroidism) from chronic high intake. Potential for arsenic and heavy metal accumulation depending on harvest location.
- Applications:
- Nutraceuticals/Functional Foods: Sold as capsules/powders for thyroid support, weight management, and mineral supplementation. Used as a natural thickener (alginate) and umami flavoring.
- Pharmaceuticals/Cosmeceuticals: Fucoidan is a key ingredient in cancer adjuvant therapy research, wound healing formulations, and anti-aging skincare products for its moisturizing and antioxidant properties.
- Agriculture/Industry: Used as a biofertilizer and soil conditioner, and alginate is a key material in biomedical engineering (wound dressings, drug delivery).
References:
- Lomartire, S., et al. (2021). Marine Drugs. “An Overview on the Potential Biomedical Applications of Fucoidan.”
- Zava, T.T., & Zava, D.T. (2011). Thyroid Research. “Assessment of Japanese iodine intake based on seaweed consumption.”
- Zorofchian Moghadamtousi, S., et al. (2014). BioMed Research International. “Anticancer and Antitumor Potential of Fucoidan: Mechanism of Action.”
- Maeda, H., et al. (2005). Biochemical and Biophysical Research Communications. “Fucoxanthin from edible seaweed, induces apoptosis and exerts anti-obesity effect.”
- European Food Safety Authority (EFSA). (2021). “Tolerable upper intake level for dietary iodine.” EFSA Journal.
Note: This summary is for informational purposes. It may interact with medications and is contraindicated in certain conditions. Consult a healthcare professional before therapeutic use, particularly regarding its estrogenic activity.