. A digest of metabolism experiments in which the balance of income and outgo was determined . tions more or less. The experimental period must be longenough to eliminate the influence of the preceding diet, but not longenough to derange normal functions. It is often difficult to obtain pro-tein, fat, and carbohydrates in the proper proportions when only onefood is eaten. For instance, if meat, eggs, or other material with ahigh nitrogen content is consumed in sufficient quantity to furnish therequisite energy the amount of protein would be considerably in excessof the amount which dietary sta
. A digest of metabolism experiments in which the balance of income and outgo was determined . tions more or less. The experimental period must be longenough to eliminate the influence of the preceding diet, but not longenough to derange normal functions. It is often difficult to obtain pro-tein, fat, and carbohydrates in the proper proportions when only onefood is eaten. For instance, if meat, eggs, or other material with ahigh nitrogen content is consumed in sufficient quantity to furnish therequisite energy the amount of protein would be considerably in excessof the amount which dietary standards call for. When small amountsof other foods are consumed with large quantities of the special foodstudied, it is uncertain how far digestibility and assimilation areinfluenced. Experiments in which single foods have been studied with diseasedsubjects will be found in Tables 17-23. BREAD AND OTHER SINGLE FOOD MATERIALS. 35 •(—) ssoj ao(+) uu:f) I iri rA * CO d «5 OCNdd W T* I l-H-H + + 1 1 + 1 I I I I + + + ?8838J OJ pooj ui •uoijFjnQ; 5 I 8 Is - aI - 1 = | 1 I I I i M H mini. g £ 8 I ! ?§| i! Ill 4 4 l-S-S i i ! 4 -§ mini ii iiiiiii mi mm •^ama^l 8S88§S§ S3 S§S8§S3 S g 5 3 S 5 36 A DIGEST OF METABOLISM EXPERIMENTS. •(—) SSOJ JO ( + ) ureo «5 CO rH + + ?<* 00 © •<* CM+ + + + I I + + + + + •eaoaj tij •9utjn ui lO CO 00 © ~f CO <t-^ C-^ CM CO CM I :p ph :?h S R : r> : kh : pa rH © U © p co rH rJ rH QJ a ©pi I i CP CD ° 9 oco iso iso iso .2 • ISO rg g i co ITj O . _C0 CM Ph pm : Ph ; u• Pm : Ph •UOT^ -uoriqnd jo 9|B(j CO COCO CD C © (O CO CO CO oo oo oo oo oo oo oo oo co oooo ocy oo oo oo oo oo oo oo oo c
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