Explanatory notes
… blood peptones and casein peptones. They are used in pharmacy, in food preparations, for bacterial cultures, etc. … , the main soya protein. (4) Keratins obtained from hair, nails, horns, hoofs, feathers, etc. (5) Nucleoproteids … 30.03 or 30.04 ). (f) Enzymes ( heading 35.07 ). (g) Hardened proteins ( heading 39.13 ). …