CPC Main Group A23J 3/00 Working-up of proteins for foodstuffs 5 direct subcodes Child Classifications Navigate with arrow keys, Enter to open A23J 3/04 Animal proteins A23J 3/14 Vegetable proteins A23J 3/20 Proteins from microorganisms or unicellular algae A23J 3/22 by texturising A23J 3/30 by hydrolysis