United States Department of the Interior, Fred A. Seaton, Secretary 

 Fish and Wildlife Service 



NATURE OF GREEN OR OFFCOLOR CONDITION 

 IN PRECOOKED YELLOWFIN TUNA 



By 



Johh J. Naughton 

 Michael M. Frodyma 



Harry Zeitlin 



Chemistry Department 



University of Hawaii 



Special Scientific Report--Fi8heries No. 197 

 WASHINGTON: December 1956 



