12 BULLETIISr 1033, IT. S. DEPAKTMEjSTT OF AGRICULTURE, 



Table 8. — Summary of digestion experiments nnth blended cottonseed fats in 



a simple mixed diet. 





Melting 

 point 

 of fat. 



Subject. 



Digestibilitj^ of entire ration. 



Digesti- 

 bility of 



Experiment No. 



Protein. 



Fat. 



Carbo- 



iiydrate. 



blended 

 cotton- 

 seed fat 

 alone. 



479 



481 



"C. 

 41.3 

 41.3 



H.R. O 



P.K 



Per cent. 

 57.7 

 76.8 



Per cent. 

 92.8 

 91.9 



Per cent. 

 94.8 

 96.8 



Per cent. 

 97.8 

 95.4 







Average. . 



67. 2 



92.4 



95.8 



98.6 





45.8 

 45.8 



E.L.M 



J. F. S 





1149 



61.1 

 .58.4 



90.5 

 93.8 



97.5 

 96.7 



94.6 



1150 



98.2 







Average 



58.8 



92.2 



97.1 



98.4 





47.8 

 47.8 

 47.8 

 47.8 



C. J. G 





1135 



66.6 

 58.8 

 49.3 

 75.4 



85.4 

 92.0 

 91.2 

 94.0 



93.5 

 96.0 

 95.7 

 97.9 



90.0 



1136 



H. L. G 



98.3 



1137 



E. L. M 



94.5 



1138 



J. F. S . 



96.1 









Average 



62.5 



90.7 



95.8 



94.2 





48.1 

 48.1 



E. L. M 





1152 



61.8 

 40.0 



90.2 

 89.5 



97.5 

 95.8 



93.7 



1153 



J. F. S.. . 



95.0 









Average 



50.9 



89.8 



96.6 



94.4 





50 

 50 

 50 



H. R. G .. 





421 



55.7 

 64.8 

 01. 5 



76.3 

 8.5.6 

 84.1 



96.7 

 97.5 

 97.5 



82.6 





R. L. S 



89.9 



424 



0. E. S 



88.4 









Average 



60.7 



82.0 



97.2 



87.0 











The subjects ate on an average per man per day 62.3 grams of the 

 iat melting at 41.3° C, 52.6 grams of the fat melting at 45.8° C, 76.3 

 ^•rams of the fat melting at 47.8° C, 49.4 grams of the fat melting at 

 48.1° C, and 56.9 grams of the fat melting at 50° C. The maximum 

 eaten per day was 63.3 grams of the 41.3° C. fat, 52.8 grams of the 

 45.8° C. fat, 98.1 grams of the 47.8° C. fat, 53.3 grams of the 48.1" 

 C. fat, and 62.7 grams of the 50° C. fat. The average coefficients 

 of digestibility found were 96.6 per cent for the 41.3° C. fat, 96.4 

 per cent for the 45.8° C. fat, 94.2 per cent for the 47.8° C. fat, 94.4 

 per cent for the 48.1° C. fat, and 87 per cent for the 50° C. fat. 

 The subjects remained in normal health except for the experiments 

 with fat melting at 50° C. In the reports of their condition in this 

 case the subjects mentioned a feeling of nausea and headache. Such 

 •conditions were not noted in the other experiments with liydrogenated 

 fats of high melting point and may not be directly as?ribable to 

 the fat ingested. Similar effects had been noted in earlier experi- 

 ments in which cocoa fat^^ and cupuassu fat-- were eaten in large 

 quantities. 



Blended peanut fats. — Thirteen experiments were conducted with 

 blended peanut fat, five with fat melting at 43° C. and four each with 

 fats melting at 43.2° C. and 51.1° C. Tlie results are summarized in 

 Table 9. 



2'U. S. Dept Agr. Bui. 505 (1917). 



^Jour. Biol. Chem., 41 (1920),, No. 2, pp. 227-235. Cupuassfl fat is expressed from 

 'tbe seed of the fruit of the cupuassu tree (Theo})roma grandiflora Schum). 



