UNITED STATES DEPARTMENT OF AGRICULTURE 
BULLETIN No. 775 
Contribution from the Bureau of Chemistry 
CARL L. ALSBERG, Chief 
Washington, D. C. 
June 3, 1919 
COMMERCIAL PRESERVATION OF EGGS 
BY COLD STORAGE 
By 
M. K. JENKINS, Assistant Bacteriologist. Prepared 
under the direction of M. E. PENNINGTON, Chief, 
Food Research Laboratory 
CONTENTS 
Page 
Some Aspects of the Cold Storage Busi- 
ness ,'../.. 1 
Purpose of Investigation ...... 2 
General Plan of Investigation .... 2 
Results of Investigation: 
Effect of Condition of Shell Upon 
Preservation 5 
Relation of Quality to Preservation . 9 
Commercial Grading for Storage . 10 
Relation of Month of Storage to 
Number of Bad Eggs in Cold 
Storage Firsts and Seconds 
12 
Page 
Results of Investigation— Continued. 
Condition of Commercial Packages 
as Stored 16 
Analysis of Bad Eggs in Commercial 
Firsts and Seconds After Storing . 18 
Carefully Prepared Packages . . . 20 
. Shrinkage of Eggs and Absorption of 
Moisture by Case and Fillers . . 
Physical and Chemical Changes in 
Eggs During Storage 
Absorption of Foreign Flavors During 
Storage 
23 
33 
Summary 34 
WASHINGTON 
GOVERNMENT PRINTING OFFICE 
1919 
