Physiological economy in nutrition, with special reference to the minimal proteid requirement of the healthy man / an experimental study

by R. H. Chittenden

STELTZ.

Date.		Body-weight.	Urine.
			Volume. 24 hours.	Sp. Gr.	Nitrogen.		Uric Acid.		P₂O₅.
1903		kilos	c.c.		grams		gram		grams
Oct.	4	52.3	1860	1010		11.16		0.325		1.54
	5	52.4	1020	1014		7.89
	6	52.0	1120	1013		8.27		0.648		1.47
	7	53.1	760	1014
	8	52.0	1280	1012		9.93		0.549		1.70
	9	52.0	1600	1014		8.83
	10	52.6	1900	1012		14.59
	11	52.6	1460	1010		7.97		0.368		1.55
	12	52.6	1740	1013		10.07
	13	52.9	2050	1013		12.79		0.758		2.00
	14	52.9	1260	1013		8.77
	15	52.6	1540	1013		12.20		0.512		1.60
	16	52.8	1880	1014		14.41
	17	52.5	1870	1013		14.36
	18	52.4	2230	1013		15.12		0.561		2.53
	19	52.5	1560	1010		8.89
	20	52.4	1880	1013	⎫	11.61 daily average		0.465 daily average		2.01 daily average
	21	52.6	1060	1013	⎪
	22	53.2	2100	1011	⎬
	23	53.4	2320	1012	⎪
	24	52.9	1460	1017	⎪
	25	53.4	1660	1016	⎭
	26	53.2	1150
	27	53.4	1500	1016	⎫	8.65		0.493		1.44
	28	53.2	1240	1011	⎪
	29	53.6	1220	1015	⎬
	30	53.3	1220	1015	⎪
	31	52.9	1120		⎪
Nov.	1	53.0	1620	1016	⎭
	2	53.8	1640	1014	⎫	6.81		0.364		1.32
	3	53.5	1020	1011	⎪
	4	52.6	1080	1014	⎪
	5	53.2	1060	1015	⎬
	6	53.0	1280	1014	⎪
	7	53.1	1300	1014	⎪
	8	52.9	760	1014	⎭
	9	53.3	1060	1013	⎫	7.31		0.380		1.40
	10	53.2	1340	1016	⎪
	11	53.0	1140	1019	⎬
	12	53.4	1360	1016	⎪
	13	53.4	1300	1016	⎪
	14	53.2	960	1017	⎭
	15	53.3
	16	53.2	1640	1016	⎫	8.07		0.409		1.45
	17	53.4	1620	1015	⎪
	18	53.4	1160	1017	⎪
	19	52.9	1940	1015	⎬
	20	53.4	1800	1014	⎪
	21	53.4	1240	1015	⎪
	22	53.0	1180	1020	⎭
	23	53.4	1320	1013	⎫	6.71		0.390		1.35
	24	53.4	2000	1013	⎪
	25	53.5	1400	1016	⎪
	26	53.7	780	1026	⎬
	27	53.5	1000	1015	⎪
	28	53.3	1600	1014	⎪
	29	53.5	1340	1018	⎭
	30	53.6	860	1020	⎫	7.49		0.394		1.50
Dec.	1	53.9	1960	1013	⎪
	2	53.4	1060	1015	⎪
	3	52.9	940	1018	⎬
	4	53.6	1580	1019	⎪
	5	53.6	980	1014	⎪
	6	54.2	1280	1022	⎭
	7	53.7	960	1021		7.01	⎫	0.420		1.46
	8	53.4	620	1020		4.98	⎪
	9	53.4	1000	1016		5.88	⎪
	10	53.5	1420	1015		7.67	⎬
	11	53.5	1360	1018		8.20	⎪
	12	53.4	1040	1024		7.92	⎪
	13	52.7	920	1022		5.57	⎭
	14	53.0	1340	1024		10.21
	15	52.9	1000	1019		7.98
	16	52.9	940	1016		4.79		0.226		0.75
	17	53.4	820	1015	⎫	9.04		0.452		1.48
	18	53.4	1330	1016	⎬
	19	53.4	1395	1014	⎪
	20	53.1	1300	1017	⎭
	21	53.2	1220	1016	⎫	7.42		0.387		0.80
	22	53.1	1200	1018	⎪
	23	53.2	1465	1017	⎪
	24	53.1	1100	1021	⎬
	25	53.2	970	1016	⎪
	26	54.0	1350	1020	⎪
	27	53.2	1105	1023	⎭
	28	53.0	1240	1020	⎫	6.44		0.356		0.92
	29	53.0	1180	1023	⎪
	30	53.4	910	1018	⎪
	31	53.4	810	1018	⎬
1904					⎪
Jan.	1	53.8	1220	1019	⎪
	2	53.0	925	1024	⎪
	3	53.6	870	1021	⎭
	4	54.0	1055	1022	⎫	6.78		0.392		1.15
	5	54.0	1050	1020	⎪
	6	53.9	1195	1017	⎪
	7	53.6	980	1021	⎬
	8	53.4	1020	1021	⎪
	9	53.3	1080	1022	⎪
	10	53.6	1010	1021	⎭
	11	53.9	960	1020		6.05
	12	53.0	620	1021		4.61		0.487
	13	53.6	1165	1019		7.90		0.609
	14	52.9	645	1022		4.99		0.298
	15	53.0	1450	1020		9.05		0.478
	16	53.4	1300	1018		7.56		0.405
	17	53.0	1440	1021		8.55		0.476
	18	53.0	1440	1023	⎫	6.40		0.386		1.21
	19	53.0	1115	1021	⎪
	20	53.0	1180	1020	⎪
	21	52.6	790	1024	⎬
	22	52.7	660	1026	⎪
	23	52.8	1750	1018	⎪
	24	52.8	1440	1018	⎭
	25	52.6	1200	1020	⎫	6.39		0.414		1.21
	26	52.8	715	1023	⎪
	27	52.7	1625	1015	⎪
	28	52.8	1080	1016	⎬
	29	52.8	1400	1020	⎪
	30	53.0	1300	1021	⎪
	31	53.4	1670	1019	⎭
Feb.	1	53.0	1800	1022	⎫	6.06		0.351		1.31
	2	53.2	770	1018	⎪
	3	53.3	1230	1022	⎪
	4	53.4	1530	1018	⎬
	5	53.2	1400	1023	⎪
	6	53.0	1440	1021	⎪
	7	53.4	1330	1018	⎭
	8	53.0	1500	1022	⎫	7.71		0.523
	9	53.0	940	1021	⎪
	10	53.2	1400	1022	⎪
	11	53.4	1620	1023	⎬
	12	53.6	1645	1018	⎪
	13	53.4	1370	1018	⎪
	14	53.0	1200	1024	⎭
	15	53.2	1560	1025	⎫	7.85		0.423
	16	53.0	1540	1021	⎪
	17	53.5	1610	1020	⎪
	18	53.2	1280	1024	⎬
	19	53.0	1560	1017	⎪
	20	53.2	1635	1016	⎪
	21	53.0	1110	1020	⎭
	22	53.0	1860	1016	⎫	7.40		0.487
	23	53.2	1470	1018	⎪
	24	53.5	1205	1019	⎪
	25	53.5	2140	1014	⎬
	26	53.8	1080	1016	⎪
	27	53.0	1165	1020	⎪
	28	53.7	1360	1020	⎭
	29	54.0	1400	1022		7.90
Mar.	1	53.9	1095	1021		5.98	⎫	0.389
	2	53.4	1355	1020		6.58	⎪
	3	53.2	2125	1015		8.09	⎬
	4	53.0	1160	1016		4.66	⎪
	5	53.2	1610	1022		8.69	⎪
	6	53.0	1220	1022		8.20	⎭
	7	53.0	720	1023	⎫	7.21		0.466
	8	53.2	1160	1021	⎪
	9	53.0	1280	1020	⎪
	10	52.5	1210	1017	⎬
	11	52.6	1770	1016	⎪
	12	52.6	1510	1018	⎪
	13	52.3	1110	1020	⎭
	14	52.6	700	1023	⎫	7.22		0.414
	15	52.7	1215	1018	⎪
	16	53.0	1840	1013	⎪
	17	52.6	1685	1014	⎬
	18	52.4	1770	1015	⎪
	19	53.2	1350	1012	⎪
	20	52.6	910	1018	⎭
	21	52.8	1210	1020	⎫	7.70		0.550
	22	52.7	1680	1013	⎪
	23	53.0	1630	1021	⎪
	24	52.8	900	1020	⎬
	25	52.6	1600	1018	⎪
	26	53.0	1330	1019	⎪
	27	52.8	1750	1020	⎭
	28	53.0	845	1019		3.60	⎫	0.334
	29	52.8	1490	1021		6.79	⎪
	30	52.6	1790	1018		7.20	⎬
	31	52.6	1560	1019		7.11	⎪
Apr.	1	52.4	1670	1021		7.82	⎭
	2	52.6	1165	1013		3.28
	3	53.0	1570	1018		6.50
Daily average from Nov. 2			1271	1018		7.13		0.416		1.24