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<0.05; § p<0.01 for changes between groups. Abbreviations: EnEx = Energy Expenditure, CARBOH = Carbohydrates.