Table 2.
Metabolites which showed high variables important for prediction (VIP) values obtained from OPLS analysis.
| Muscle Type | Dark Muscle | Ordinary Muscle | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Storage Tem. | 0 °C | 5 °C | 0 °C | 5 °C | ||||||||
| Scaling | UV | UV | ||||||||||
| VIP Rank | metabolite | VIP values | Coefficient | metabolite | VIP values | Coefficient | metabolite | VIP values | Coefficient | metabolite | VIP values | Coefficient |
| 1 | Methionine-2TMS | 2.45 | 0.04 | Glyceric acid-3TMS | 1.94 | 0.04 | Arabinose-meto-4TMS | 2.70 | 0.08 | Arabinose-meto-4TMS | 2.15 | 0.05 |
| 2 | Glycerol-3TMS | 2.22 | 0.03 | Glycerol-3TMS | 1.93 | 0.03 | Ribose-meto-4TMS | 2.70 | 0.08 | Ribose-meto-4TMS | 2.06 | 0.04 |
| 3 | Galactose-meto-5TMS(2) | 2.13 | 0.03 | Tyrosine-3TMS | 1.92 | 0.03 | Ribose-4TMS(4) | 2.38 | 0.06 | Uracil-2TMS | 2.05 | 0.04 |
| 4 | Phenylalanine-2TMS | 2.03 | 0.03 | Ornithine-4TMS | 1.89 | 0.04 | Inosine-4TMS | 2.24 | 0.07 | Inosine-4TMS | 1.98 | 0.05 |
| 5 | Valine-2TMS | 2.02 | 0.03 | Hypoxanthine-2TMS | 1.85 | 0.04 | Uracil-2TMS | 2.18 | 0.07 | Hypoxanthine-2TMS | 1.93 | 0.07 |
| 6 | Uracil-2TMS | 2.01 | 0.03 | Uracil-2TMS | 1.82 | 0.02 | Ribulose-meto-4TMS | 2.04 | 0.05 | Fructose 1-phosphate-meto-6TMS(1) | 1.91 | 0.06 |
| 7 | Threonine-3TMS | 2.00 | 0.03 | Serine-3TMS | 1.78 | 0.03 | Glyceric acid-3TMS | 1.93 | 0.03 | Fructose 1-phosphate-meto-6TMS(2) | 1.91 | 0.06 |
| 8 | Isoleucine-2TMS | 1.97 | 0.04 | Isoleucine-2TMS | 1.77 | 0.03 | Niacinamide-TMS | 1.85 | 0.03 | N-Acetylaspartic acid-2TMS | 1.83 | −0.05 |
| 9 | Hypoxanthine-2TMS | 1.97 | 0.03 | Methionine-2TMS | 1.75 | 0.03 | Phenylalanine-2TMS | 1.83 | 0.03 | Glycerol 3-phosphate-4TMS | 1.79 | −0.05 |
| 10 | 2-Aminoethanol-2TMS | 1.95 | 0.03 | Valine-2TMS | 1.74 | 0.04 | Ascorbic acid-4TMS | 1.76 | -0.07 | Ascorbic acid-4TMS | 1.79 | −0.05 |
| Scaling | Par | Par | ||||||||||
| VIP Rank | metabolite | VIP values | Coefficient | metabolite | VIP values | Coefficient | metabolite | VIP values | Coefficient | metabolite | VIP values | Coefficient |
| 1 | Galactose-meto-5TMS(1) | 6.15 | 0.36 | Galactose-meto-5TMS(1) | 4.58 | −0.01 | Phosphoric acid-3TMS | 5.42 | 0.19 | Phosphoric acid-3TMS | 6.57 | 0.25 |
| 2 | Taurine-3TMS | 4.70 | −0.08 | Taurine-3TMS | 4.53 | −0.11 | Lactic acid-2TMS | 5.12 | −0.46 | Lactic acid-2TMS | 3.91 | −0.46 |
| 3 | Tagatose-5TMS(5) | 3.41 | 0.02 | Tagatose-5TMS(5) | 4.47 | 0.20 | Inosine-4TMS | 4.34 | 0.95 | Inosine-4TMS | 3.42 | 0.58 |
| 4 | Mannose-meto-5TMS(1) | 3.16 | 0.05 | Mannose-meto-5TMS(1) | 3.03 | −0.07 | Ascorbic acid-4TMS | 1.81 | −0.36 | Histidine-3TMS | 2.60 | 0.25 |
| 5 | Galactose-meto-5TMS(2) | 2.95 | 0.26 | Galactose-meto-5TMS(2) | 2.70 | 0.26 | Glucose-meto-5TMS(1) | 1.77 | 0.03 | Creatinine-3TMS | 2.07 | 0.31 |
| 6 | Phosphoric acid-3TMS | 2.74 | −0.05 | Inosine-4TMS | 2.13 | -0.13 | Mannose-meto-5TMS(2) | 1.77 | 0.03 | Galactose-meto-5TMS(1) | 1.88 | −0.01 |
| 7 | Glucose-meto-5TMS(2) | 2.16 | 0.11 | Phosphoric acid-3TMS | 1.68 | 0.10 | Fucose-4TMS(2) | 1.73 | 0.27 | Glucose-meto-5TMS(1) | 1.87 | −0.01 |
| 8 | Glucose-meto-5TMS(1) | 1.72 | 0.10 | Phenylalanine-2TMS | 1.64 | 0.16 | Creatinine-3TMS | 1.72 | −0.41 | Mannose-meto-5TMS(2) | 1.87 | −0.01 |
| 9 | Lactic acid-2TMS | 1.64 | −0.09 | Glycerol-3TMS | 1.63 | 0.20 | Tagatose-5TMS(5) | 1.68 | −0.03 | Mannose-meto-5TMS(1) | 1.79 | −0.06 |
| 10 | Phenylalanine-2TMS | 1.06 | 0.10 | Hypoxanthine-2TMS | 1.52 | 0.18 | Galactose-meto-5TMS(1) | 1.67 | −0.01 | Tagatose-5TMS(5) | 1.79 | −0.06 |
UV = unit variance-scaling; and Par = Pareto-scaling.