(under subclass 124.1) Compositions wherein the proteinaceous material is casein or a chemical modification of casein.
(1) Note. Casein is the principal protein in milk. It is a phosphoprotein consisting of about 15 amino acids and has a molecular weight ranging from 75,000 to 375,000.
(2) Note. Example of derivative included herein is the metal salt of the casein.
