Not available outside of the UK & Ireland.

Analysis Note

Protein determined by biuret.

Application

Rennin, also known as chymosin, is a milkclotting acid proteinase produced in the stomach of a calf. It is used in cheesemaking and to study neonatal gastric digestion .

Biochem/physiol Actions

Rennin, a 323 amino acid chain, is secreted as an inactive precursor which is then converted into an active enzyme through limited proteolysis. It cleaves the peptide bond between phenylalanine and methionine in K-Casein.

Packaging

Package size based on protein content

100 mg in glass bottle

Physical form

Lyophilized powder containing sodium chloride

Unit Definition

One unit will coagulate 10 mL of milk per min at 30 °C.