UNITED STATES DEPARTMENT OF AGRICULTURE 

 BULLETIN No. 433 



Contribution from the Bureau of Animal Industry 

 A. D. MELVIN, Cliief 



Washington, D. C. 



PROFESSIONAL PAPER 



February 15, 1917 



CHANGES IN FRESH BEEF DURING 

 COLD STORAGE ABOVE FREEZING 



By 



RALPH HOAGLAND, CHARLES N. McBRYDE, and 

 WILMER C. POWICK, of the Biochemic Dmsion 



CONTENTS 



Hygienic Value of Cold Storage .... 1 



Commercial Practices In the Cold Storage 

 of Fresh Beef 2 



Previous Investigations on Cold Storage 

 of Meats 5 



PuHMse and Plan of Present Investiga- 

 tion . 7 



Autolysis Experiments 8 



Cold-Storage Experiments with Fresh 

 Beef 23 



Effects of Cold Storage upon the Nutri- 

 tive Value of the Beef 95 



Factors Affecting the Time tliat Fresh 

 Beef can l>e Stored at Temperatures 

 Above Freezing 97 



General Summary 99 



References to Literature . 100 



WASHINGTON 



GOVERNMENT PRINTING OFFICE 



191T 



