Casein /caseinogen Description : is a protein that is found in milk and used independently in many foods as a binding agent. Cas No.c;9000-71-9 Apperance:Cream white or light yellow. Technically, it is part of a group called phosphoproteins, collections of proteins bound to something containing phosphoric acid. Casein may also be called caseinogen, particularly in European foods. emailL:helenwxw@sina.com