Lyophilized protein vials

Collagen-I Protein, Bovine Skin

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Bovine Collagen-I is a natural protein purified from bovine skin. Collagen-I is purified by proprietary chromatographic techniques.

Collagen, a major component of the extracellular matrix, is a fibrous protein that provides tensile strength to tissues giving them structural integrity. Collagens contribute to mechanical properties, organization, and shape of tissues. Collagen is the most widely used extracellular matrix (ECM) protein for cell culture, facilitating cell attachment, growth, differentiation, migration, and tissue morphogenesis.

Type I Collagen is by far the most abundant protein in all vertebrates. It assembles into fibers that form the structural and mechanical scaffold (matrix) of bone, skin, tendons, cornea, blood vessel walls and other connective tissues. Type I collagen consists of two α1(I) chains and one α2(I) chain.


Bovine skin.


Filtered white lyophilized (freeze-dried) powder. Collagen-I was lyophilized without additives.


Purity > 90.0%.


We recommend to add 0.1M acetic acid pH 3.0 to prepare a working stock solution of approximately 1-5 mg/ml and let the lyophilized pellet dissolve completely.


At ambient temperature.  Upon receipt, store the product at the temperature recommended below.


Lyophilized Collagen-I, although stable at room temperature for 3 weeks, should be stored desiccated below -18C. Upon reconstitution, Collagen-I should be stored at 4C between 2-7 days and for future use below -18C. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA). Please prevent freeze-thaw cycles.


This product is intended for Laboratory Research Use Only. Not for use in diagnostic or therapeutic procedures. This product may not be used as a pharmaceutical or veterinary drug, agricultural product, or food additive.

Other Names

Type 1 Collagen, Type I Collagen, Collagen-1


Want to learn more about collagen? We have compiled the links below that contain information which you may find interesting: