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C7078 Sigma-Aldrich

Casein from bovine milk

technical grade

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Properties

Related Categories Biochemicals and Reagents, Casein and Other Milk Proteins, Enzymes, Inhibitors, and Substrates, General Protease Substrates, Proteins and Derivatives,
Quality Level   200
biological source   bovine milk
grade   technical grade
form   powder
application(s)   activity assay: suitable
  electrophoresis: suitable
  immunocytochemistry: suitable
mp   280 °C (dec.) (lit.)
Gene Information   bovine ... CSN1S1(282208), CSN1S2(282209), CSN2(281099)

Description

Application

Casein from bovine milk is a phosphoprotein. There are four main types of Casein which make up approximately 80% of the total protein in bovine milk: α-s1 Casein, α-s2 Casein, β-Casein, and κ-Casein. Casein is proposed to be the main protective constituent in milk

Packaging

1 kg in poly bottle

10 kg in poly drum

500 g in poly bottle

Biochem/physiol Actions

Partial gastrointestinal digestion of casein is a rich source of bioactive peptides, such as β-casomorphin. However, bovine casein is not homogeneous; variants A1 and B do lead to production of β-casomorphin 7 production, while A2 does not.

Safety & Documentation

Safety Information

Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 3
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Protocols & Articles

Protocols

Enzymatic Assay of Ficin (EC 3.4.22.3)

The spectrophotometric stop rate detemination (A280, Light path = 1 cm) is based on the following reaction:

Enzymatic Assay of Protease Using Casein As a Substrate

To standardize a procedure for the enzymatic assay of Protease using Casein as a substrate at Sigma-Aldrich St. Louis.

Peer-Reviewed Papers
15

References

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