Figure 5

The metabolome of porcine saphenous vein. Hierarchical clustering analysis of porcine saphenous vein metabolites identified in unprepared (UP) vein, veins after standard preparation (AP) or optimized preparation (OP). Heatmap colors shaded blue indicate an increase relative to mean metabolite values while orange shades indicate a decrease relative to mean metabolite levels. Values shaded in grey were not detected. N = 8 per group.