STORAGE OF BUTTER 



183 



different temperatures : " There are micro-organisms 

 found in butter able to multiply slowly at — 6° C. in salted 

 butter. Whether these organisms are able to cause de- 

 terioration of butter is not certain." The standard 

 cold storage temperatures for butter are 0° to — 10° F. 



Table XXII — Aveeagb Deterioration of Butter after 

 Storage at Various Temperatures 



Kind of Butteb 



Raw cream butter — Creamery A 

 Raw cream butter — Creamery D 

 Raw cream butter — All samples 

 Pasteurized, ripened cream — 



Creamery B 



Pasteurized, ripened cream — 



Creamery B 



Pasteurized, ripened cream — 



All samples 



Pasteurized, unripened cream — 



Creamery C 



Pasteurized, unripened cream — 



Creamery D .... 

 Pasteurized, unripened cream — 



All samples 



Points Lost after Storage 



135. Nature of buildings and business. — Cold stor- 

 age buildings are usually large and the business is con- 

 ducted on a large scale, for the overhead expenses are 

 less than when the enterprise is small. One of the most 

 important and expensive items is the manufacture of the 

 cold, and this is cheaper when produced on a large scale. 

 The buildings are usually constructed of properly insu- 



