. Bulletin of the Department of Agriculture. Agriculture; 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 dii-ection of M. E. Pennington, Chief, Food Research Laboratory. CONTENTS. Some aspects of the cold storage business 1 Purpose of investigation 2 General plan of investigation 2 Results of investigation: Effect of condition of shell upon preserva- tion 5 Relation of quality to preservation 9 Comme
. Bulletin of the Department of Agriculture. Agriculture; 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 dii-ection of M. E. Pennington, Chief, Food Research Laboratory. CONTENTS. Some aspects of the cold storage business 1 Purpose of investigation 2 General plan of investigation 2 Results of investigation: Effect of condition of shell upon preserva- tion 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 Condition of commercial packages as stored 16 Results of investigation—Continued. 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 23 Physical and chemical changes in eggs during storage 28 Absorption of foreign flavors during storage 33 Summary 34 SOME ASPECTS OF THE COLD STORAGE BUSINESS. The preservation of eggs by means of cold renders one of the most important of the perishable foods available at all times. According to Holmes,^ about 50 per cent of the egg crop is produced during the months of March, April, May, and June, and 86 per cent of the eggs held in storage are stored in March, April, and May. During these cool months the eggs are the freshest and most desirable for storing. According to a statement issued by the Bureau of Markets, April 15, 1918, 478 warehouses, which report holdings of eggs in cold storage, are fairly well distributed over the United States. The March 11, 1918, summary report, issued by the Bureau of Markets, shows that a total of 6,595,850 30-dozen cases, valued at $70,487,212, were stored in 396 houses during the season of 1917-18. These figures, although lower than tlio actual amounts, due, as men- tioned in
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