530 / | HD | CHEMISTRY: NATURAL RESINS OR DERIVATIVES; PEPTIDES OR PROTEINS; LIGNINS OR REACTION PRODUCTS THEREOF |
350 | DF | PROTEINS, I.E., MORE THAN 100 AMINO ACID RESIDUES {14} |
360 | .~ Casein or caseinate {1} | |
361 | DF | .~.~> Separation, purification or synthesis |