602 



ANNUAL REPORT OF THE 



Off. Doc. 



cake is then sold as germ oil cake. The bran also is often sold as a 

 separate food-stuff. 



Owing to the large amounts of water used in these separations, 

 the several products are exhausted of a large portion of their soluble 

 mineral matters, chiefly phosphate of potassium. 



No samples of genuine "gluten meal,"* were submitted, though 

 several samples of gluten feed were received under the label 

 "gluten." The samples of gluten feed received were: 



Percentage Composition of Gluten Feeds. 



No. 



149 



U6 



240 



31 



43 



282 



107 



55 



81 



118 



137 



2-13 



Description. 



Gluten feed 



Coarse gluten 



Gluten feed 



Gluten feed 



Gluten feed 



Buffalo gluten feed 



Gluten 



Gluten feed 



Gluten feed 



Gluten 



Gluten feed 



Gluten feed, 



Range 



Average 



Moisture. Protein, 



8.67 

 7.86 

 8.55 

 9.11 

 9.84 

 8.46 

 8.08 

 9 15 

 9.08 

 8.48 

 9.14 

 8.19 

 .86-9.84 

 9.72 



Fat. 



13 



24.31 

 13.88 

 25.75 

 25.19 

 26.56 

 26.75 

 26.50 

 24.00 

 27.00 

 25.19 

 25.94 

 25.75 

 .88-27.00 

 24.72 



S.44 

 3.04 

 2.43 

 3.16 

 2.19 

 2.53 

 2.41 

 3.63 

 2.76 

 3.55 

 2.68 

 2.38 

 2.19-3.55 

 2.84 



The average composition of gluten meal derived from corn is 

 stated by Jenkins and Winton as: 



Per cent. 



Water, 9.6 



Ash, 0.7 



Protein, 29.4 



Fiber 1.6 



Nitrogen-free extract, 52.4 



Fat, 6.3 



100.0 



• Later analyses »how an average of J6.7 per cent, protein and 2.7 per cent, fat for Chlca?o 

 gluten meal, and 34.1 per cent, protein and 12 per cent, fat for "cream gluten." 



