214 



(1) Percentages of nutrients, water, and refuse, and estimated potential 

 energy in specimens of food materials (animal and vegetable) as 

 purchased; (2) percentages of nutrients, water, etc., and estimated 

 potential energy in the edible portion of specimens of food materials; (3) 

 dig«'stil>ility of nutrients of food mat^'rials; (4) proportions of nutrients 

 digt'stcd iind not digested from food materials by healthy men; (5) 

 standards for dailj^ dietaries for people of diflerent classes ; (0) nutrients 

 and ])oteiitial energy in dietaries of ditlerent peopk'; (7) amounts of 

 nutrients furnished for 25 cents in food materials at ordinary prices. 

 Tlie i>otential energy of the nutrients is estimated in Calories. "Tlie 

 chemical composition of foods is compiled from American analyses, the 

 digestion experiments are wholly European, and the dietaries are both 

 Anunicnn and Kuro])ean. * * * Kot far from fifty dietaries of sev- 

 eral hundred iieople in private families and boarding houses, mostly 

 in New England, have been collated, and the chemical analyses of quite 

 a large number of animal foods — meat, fish, oystei-s, and the like — 

 have been made in the ehemical laboratory of Wesleyan University 

 and by this station since 1880." 



Standard vs. actual daily dietaries for people of different clasnes. 

 [100 grams = 3.5 ounces or 0.22 pounds. 1 onnc« = 28.35 grams. 1 pound = 453.6 grams.] 



Nutrients. 



Protein. 



Fat. 



Standards for daily dietariet. 

 Voit et al: 



Cliildri'D, 1 to 2 years (German) 



Children, 2 to « years (Gorman) 



Cliildren, to 15 years ((Jemian) 



Agt'd woniaji (tJe'nnan) 



Affed man (Gennan) 



Woman at moderate -work (German) 



Man at nuHlerate work (German) 



Man at bard work ((ienuan) 



riavfair: 



Man with mmlerate exercise (English).. 



A<tivc laborer (Eglish) 



Laltorer at bard work (English) 



At water: 



Woman with light exerci.«ie (American). 



Man with liglit exercise (American).. .. 



Man at miHlerate work (Americ-an) 



ilan at hard work (American) 



Gram*, i Chram*. 



Carbo- 

 hydrates. 



Total. 



Actval dietaries in United States and Canada. 



Freiicb-Canadian working people in Can.ida 



Frencb-Caiiadians, factory operatives, in Massachu- 



l>tt! 



28, 



55 ! 



75 j 

 . 80 

 100 I 



92 I 



118 I 

 145 i 



I 



119 1 

 156 I 

 185 ! 



37 

 40 

 43 

 50 

 68 

 44 

 56 

 100 



51 

 71 

 71 



80 I 80 



100 100 



125 125 



150 150 



other I'aetory operatives, mechanics, etc., in Massa- | 

 eliiisett.s i 



( ;ia.s8 blowers. East Cambridjje, Massachusetts 



Fai-lory operatives, boarding house, Massarhnsetts . . .' 



Well-to-do privat-e family, Connecti- ( food i>iireliased. .; 

 cut "■ } food eaten j 



College students from Northern and [ f"^^ P'>,^^„1'"'"'<1 • " | 

 lj^.,stern States, boanliug club, two f;;;;;! ^'J.'^.l-ed:: 

 dietanes, same club [food Saten 1 



College ftMjtball team, food eaten 



Mecliaiiii'M (maeliinists), Connecticut .....' 



>Ia<-liiiiist, JJoston, Massai'busetts 



Teani.ster.s, marble workers, etc., at hard work, Massa- 

 chusetts 



Brickmakers, Massachusetts 



U. S. Army ration 



U. S. Navy ration 



Orami. 

 75 

 200 

 325 

 260 

 350 

 400 

 500 

 450 



531 

 568 

 568 



300 

 360 

 450 

 500 



531 

 481 

 522 

 467 

 466 

 680 

 622 

 460 

 421 

 557 

 399 

 617 



826 



1,1,10 



4.54 



520 



Grams. 

 140 

 295 

 443 

 390 

 518 

 .536 

 674 

 695 



701 

 795 



824 



460 

 .500 

 700 

 800 



745 

 871 



844 



708 

 786 

 779 

 771 



1,045 

 944 

 7.38 

 661 



1,030 

 a51 



1,053 



1,443 



1,695 



735 



847 



Pot4'ntial 

 en«'rg>- 

 of nutri- 

 ents. 



Cat. 

 765 

 1,420 

 2,040 

 1,860 

 2,475 



2, 425 

 3,055 

 3,370 



.3,140 

 3,630 

 3.750 



2,300 

 2,815 



3, .520 

 4.060 



3,620 

 4,6.30 



4,430 



3, .590 

 4,000 



4, 145 

 4,080 

 5, 345 

 4, 825 

 :i, 875 

 .3, 415 



5, 740 

 3. 435 

 6,640 



7,805 

 8,8.50 

 3, 8.VI 

 6,000 



