Mitochondrial parameters after six weeks of diet. Isolated mitochondria respiration in presence of (A) palmitoylcarnitine/malate or (B) glutamate/malate/pyruvate in absence (left) and in presence (middle) of ADP. Respiration ratio refers to right Y axis. (C) Mitochondrial DNA relatively to genomic DNA. (D) Expression of Pgc-1α mRNA in the four different groups after six weeks. n = 5, *p < 0.05 vs. ND/CITRATE.