Na podstawie oznaczenia zawartości biologicznie aktywnej - SH cysteiny, określono wartość odżywczą białka ryb surowych i przemysłowo przetworzonych.
EN
Available (active) cysteine content in fresh fisch and some processed fish products was determined. The processing techniques were shown to affect the nutritive value of the fish protein. Cysteine contents of the fish before and after the sterilization were compared. It was demonstrated that the application of the Zahler-Cleland method made it possible to control fish processing conditions and maintain full nutritive value of the fish protein in the product.