|
Ingested
|
Metabolized
|
% Metab
|
---|
|
g Nitrogen
|
g Protein
|
g Nitrogen
|
g Protein
| |
A
|
Calculated
|
Computer Tables
|
Measured
|
Calculated
| |
Control Pre
|
17.0
|
94.2 ± 5.1
|
16.0 ± 1.0
|
88.5
|
94
|
Control Post
|
17.7
|
98.0 ± 5.0
|
16.9 ± 1.1
|
93.5
|
96
|
LoBAG Pre
|
17.7
|
98.2 ± 4.0
|
18.1 ± 1.3
|
100.1
|
102
|
LoBAG Post
|
35.4
|
195.9 ± 10.8
|
26.5 ± 11
|
146.5
|
75
|
LoBAG Post*
|
31.3
|
195.9 ± 10.8
|
26.5 ± 11
|
165.6
|
85
|
|
Ingested
|
Metabolized
|
% Metab
|
|
g Nitrogen
|
g Protein
|
g Nitrogen
|
g Protein
| |
B
|
Measured
|
Calculated
|
Measured
|
Calculated
| |
Control Pre
|
17.4 ± 0.9
|
96.2
|
20.1 ± 1.3
|
112.2
|
116
|
Control Post
|
18.1 ± 0.9
|
100.1
|
21.5 ± 2.0
|
118.9
|
119
|
LoBAG Pre
|
18.1 ± 0.7
|
100.1
|
20.3 ± 1.0
|
112.3
|
112
|
LoBAG Post
|
31.8 ± 2.5
|
175.9
|
29.4 ± 1.5
|
162.6
|
92
|
- A. Protein content of the meals was estimated using Nutritionist Pro version 2.0: (First data bank: Hearst Corporation, San Bruno, CA); Nitrogen in food was calculated using 5.53 g protein/g N as a conversion factor [14]; *Nitrogen in food in the LoBAG post diet also was calculated using the conventional 6.25 g protein/g N as a conversion factor, since the majority of the additional protein in the diet was animal protein (muscle); body water was calculated according to Watson [15]; total urine nitrogen was determine by summing the urine urea nitrogen concentration,% nitrogen in creatinine (37%) and% nitrogen in uric acid (33%). Fecal nitrogen was measured directly. The contribution of nitrogen from excreted ammonia, amino acids and hippuric acid was added as indicated in methods.
- B. Protein content of the meals was determined directly; body water was determined directly; total urine nitrogen and fecal nitrogen were determined directly (see text for methods).
- % Metabolized was calculated as g N (Metabolized/g N Ingested) × (100).