Leech Extract Hirudin

Leech Extract Hirudin

Product Name:Hirudin Powder
CAS No. 113274-56-9
Molecular Formula:C66H93N13O25
Molecular Weight:1468.52
Appearance:White or Yellowish Powder
Application fields: pharmaceuticals, cosmatics and food supplements

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Introduction of  Leech extract Hirudin:

Hirudin is one component extracted from (Leech) and its salivary glands. Hirudin is the most signification  a variety of active ingredients and most study. Hirudin is composed of 65-66 amino acids of small molecular protein (peptide) The Leech is rich in hirudin, hirudin has a strong inhibitory effect on thrombin, so far found the strongest thrombin natural specific inhibitor.


Function of Leech extract Hirudin





1.It is a naturally occurring peptide in the salivary glands of medicinal leeches (Hirudo medicinalis) that has a blood anticoagulant property.


2.Similar to antithrombin III, the anticoagulatant activity of hirudin powder is based on its ability to inhibit the pro-coagulant activity of thrombin. 

3.It can prevent or dissolve the formation of clots and thrombi (i.e. it has a thrombolytic activity), and has therapeutic value in blood coagulation disorders, in the treatment of skin hematomas and of superficial varicose veins.





Application of Leech extract Hirudin :






1.Health products (additive)
2.The cosmetics (additive)

COA of  Leech extract Hirudin :


Product name :



Leech and its salivary glands


White or Yellowish Powder





Particle size

100% pass 80 mesh

Molecular formula:




Thrombin Natural Specific Inhibitors



medicine industry


CAS Number:




65-66 amino acids make up small molecule protein


Molecular weight:



 Related substance (HPLC)

Total impurity ≤0.5%

Max single impurity ≤0.1%











Sieve analysis

100% pass 80 mesh

Heavy Metal



Loss on Drying


Residue on Ignition






Residual Solvents


Residual Pesticide


Total Plate Count<


Yeast & Mold







Production of  Spirulina powder  :

Raw Material → Immersion in water → Filtering → Purification → Concentration in Vacuum → Killing of 


Bacteria → Drying → Powder

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Storage:  Store in cool & dry place, Keep away from strong light and heat.

Shelf life: 24Months when properly stored.

Packing: 10g/one bag

              1kg/one bag


              Or according to customers' request.



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Q1.Can I get some samples?
A: Yes, we can supply the free sample, but the shipping cost be paid by our customers.

Q2How to start orders or make payments?
A: Proforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T, Western Union or Paypal or Escrow(Alibaba).

Q3How to confirm the Product Quality before placing orders?
A:You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples.
   You can send us your product specifications and requests,we will manufacture the products according to your requests.

Q4:What’s your MOQ?
A:Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.

Q5: How about delivery leadtime?
A:About 3-5 days after payment confirmed. (Chinese holiday not included)

Q6:Is there a discount?
A:Different quantity has different discount.

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