Table 5.
Activity of medium chain acyl-CoA dehydrogenase and citrate synthase in the heart
Enzyme activities | STC | STC + S | FAT | FAT + S | FRU | FRU + S | SUC | SUC + S |
---|---|---|---|---|---|---|---|---|
MCAD activity (μmol/min/g) | 14.5 ± 0.9 | 11.4 ± 0.7*,† | 12.1 ± 0.4 | 8.2 ± 0.6* | 14.2 ± 0.50 | 10.1 ± 0.7* | 14.2 ± 0.5 | 10.4 ± 0.8* |
CS activity (μmol/min/g) | 153 ± 6 | 137 ± 6* | 150 ± 2 | 140 ± 4 | 156 ± 3 | 133 ± 6* | 150 ± 5 | 131 ± 10* |
MCAD/CS activity | 0.094 ± 0.003 | 0.083 ± 0.002* | 0.081 ± 0.002‡ | 0.059 ± 0.007*,§ | 0.091 ± 0.002 | 0.075 ± 0.003* | 0.094 ± 0.003 | 0.079 ± 0.002* |
Values are means ± SEM. CS, citrate synthase; FAT, fat; FRU, fructose; MCAD, medium chain acyl-CoA dehydrogenase; S, salt; STC, starch; SUC, sucrose.
P <0.05 vs. same diet with low salt.
P <0.05 vs. FAT + S.
P <0.05 vs. all other low-salt diets.
P <0.05 vs. all other high-salt diets.