14 



quite extensively in Europe and in many portions of the United 

 States. European investigators consider freshly dried grams as 

 healthful as untreated barley, oats or corn. There are at present 

 some 40 breweries in Massachusetts. The residue is practically all 

 sold undried to farmers living in the immediate vicinity. The com- 

 paratively small amount of the dried grains consumed in this State 

 comes from the vicinity of New York and Chicago. 



(b) Composition of the Grains. 



The sample used was bright in color and of good quality. It 

 contained rather more water than the average. Brewers' grains are 

 moderately rich in both protein and fat, and contain relatively a 

 large amount of fiber, due to the presence of the barley hulls. The 

 extract matter consists largely of what are termed pentosans, and 

 not of true starch. 



