Table 3. Rates of carbohydrate and fat oxidation from the respiratory analyses during submaximal cycle ergometry before (pre-test) and after (re-test) 3 weeks of intake of L-arginine-L-aspartate or placebo. Data represent means (SD).
PLACEBO (n=8) L-ARGININE-L-ASPARTATE (n=8)
Rest 50 watts 100 watts 150 watts Rest 50 watts 100 watts 150 watts
Caloric Equivalent
(kcal·l-1 O2)
Pre-Test
Re-Test
4.933 (.1014)
9.4936 (.096)
4.899 (.057)
4.916 (.055)
4.956 (.046)
4.980 (.037)
5.025 (.028)
5.036 (.020)
4.921 (.122)
4.907 (.105)
4.950 (.082)
4.855 (.094) *
4.942 (.067)
4.930 (.067)
5.024 (.026)
5.011 (.039)
TOTAL EnEx
(kcal·h-1)
Pre-Test
Re-Test
121.5 (22.6)
111.1 (26.6)
318.1 (36.6)
314.4 (41.7)
468.9 (36.0)
463.5 (36.6)
634.6 (54.3)
631.1 (43.9)
126.7 (29.1)
122.8 (18.3)
351.0 (53.5)
320.0 (36.7)
489.5 (29.8)
458.9 (34.6)
667.3 (46.0)
622.5 (40.0)
EnEx by CARBOH
(kcal/h)
Pre-Test
Re-Test
86.7 (41.0)
77.7 (30.6)
194.5 (62.0)
210.1 (73.5)
355.1 (52.2)
379.4 (53.9)
596.9 (42.1)
612.5 (41.5)
91.7 (40.9)
74.1 (31.5)
254.7 (70.6)
150.7 (11.0) *
351.3 (89.2)
317.2 (88.2)
622.8 (44.4)
561.4 (68.3)**
EnEx by FAT
(kcal·h-1)
Pre-Test
Re-Test
34.9 (27.8)
33.4 (26.9)
123.6 (38.9)
104.2 (36.4)
113.8 (60.4)
83.2 (45.9)
37.7 (48.4)
18.6 (35.0)
35.0 (23.3)
48.7 (38.6)
96.3 (87.6)
169.3 (87.8)
138.2 (89.6)
141.7 (80.8)
44.4 (52.1)
61.1 (68.7)
RELATIVE En Ex
by CARBOH (%)
Pre-Test
Re-Test
69.1 (27.1)
70.4 (25.9)
60.3 (15.1)
65.3 (15.0)
76.1 (12.2)
81.9 (9.8)
94.4 (7.2)
97.2 (5.3)
70.5 (22.8)
62.4 (28.6)
73.8 (22.0)
48.1 (25.7) *
71.9 (18.0)
69.0 (18.1)
93.6 (7.5)
90.3 (10.5)
RELATIVE EnEx
by Fat (%)
Pre-Test
Re-Test
30.9 (27.1)
29.6 (25.9)
39.7 (15.1)
34.7 (15.0)
23.9 (12.2)
18.1 (9.8)
5.6 (7.2)
2.8 (5.3)
29.5 (22.8)
37.6 (28.6)
26.2 (22.0)
51.9 (25.7) *
28.1 (18.0)
31.0 (18.1)
6.4 (7.5)
9.7 (10.5)
§ p<0.01 for changes between groups. Abbreviations: EnEx = Energy Expenditure, CARBOH = Carbohydrates.* p<0.05;