Table 1.
Chemical shift (ppm) |
Metabolites | W1 versus W0 | W2-3 versus W0 | W4 versus W0 | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|r|a | VIPb | Varyc | P d | |r|a | VIPb | Varyc | P d | |r|a | VIPb | Varyc | P d | ||
3.70 | Glucose | 0.72 | 3.21 | ↑↑ | 0.52 | 4.04 | ↑ | 0.58 | 3.03 | ↓ | |||
1.34 | Lactate | — | — | — | 0.58 | 4.23 | ↓↓ | 0.73 | 8.77 | ↑↑ | 0.008 | ||
2.37 | Pyruvate | 0.69 | 1.1 | ↑↑ | 0.62 | 2.15 | ↓↓ | 0.79 | 4.15 | ↑↑ | 0.050 | ||
0.92 | LDL/VLDL | — | — | — | 0.64 | 2.4 | ↑↑ | 0.58 | 1.77 | ↓ | |||
3.67 | Glycerol | 0.85 | 3.27 | ↑↑ | <0.001 | 0.89 | 4.18 | ↑↑ | 0.016 | 0.59 | 2.22 | ↑↑ | 0.001 |
1.20 | 3-Hydroxybutyrate (3-HB) | 0.8 | 1.18 | ↓↓ | — | — | — | — | — | — | |||
2.23 | Acetone | 0.76 | 1.26 | ↑↑ | 0.56 | 1.26 | ↑↑ | 0.039 | — | — | — | ||
2.29 | Acetoacetate | 0.82 | 1.74 | ↑↑ | 0.62 | 1.74 | ↓↓ | — | — | — | 0.042 | ||
1.92 | Acetate | 0.86 | 2.59 | ↑↑ | 0.004 | — | — | — | — | — | — | ||
2.45 | Carnitine | 0.84 | 1.24 | ↓↓ | — | — | — | 0.52 | 1.33 | ↑↑ | |||
3.23 | Taurine | — | — | — | 0.48 | 3.11 | ↓ | 0.56 | 2.48 | ↓ | 0.025 | ||
2.14 | Methionine | 0.77 | 1.96 | ↓↓ | — | — | — | — | — | — | |||
3.20 | Choline | 0.81 | 2 | ↓↓ | 0.57 | 1.68 | ↑↑ | 0.69 | 2.29 | ↑↑ | |||
3.89 | Betaine | 0.8 | 4.95 | ↑↑ | 0.51 | 2.76 | ↑ | 0.039 | 0.54 | 3.8 | ↑ | ||
3.56 | Glycine | 0.64 | 2.79 | ↑↑ | 0.043 | 0.54 | 1.87 | ↑↑ | <0.001 | 0.62 | 3.19 | ↑ | <0.001 |
3.04 | Creatine | 0.66 | 2.63 | ↓↓ | — | — | — | 0.57 | 4.48 | ↑ | 0.018 | ||
0.99 | Leucine | — | — | — | — | — | — | 0.54 | 1.44 | ↑ | |||
1.02 | Isoleucine | — | — | — | — | — | — | 0.68 | 1.86 | ↑↑ | 0.044 | ||
1.04 | Valine | 0.69 | 1.65 | ↑↑ | 0.47 | 2.01 | ↓ | — | — | — | |||
2.04 | N-Acetyl-l-cysteine (Nac) | 0.69 | 2.31 | ↓↓ | — | — | — | — | — | — |
aMetabolites shift correspond to signals clearly distinguished in the loadings profile (not necessarily representing complete spin systems); bVIP list produced by OPLS-DA; cIncreased or decreased when comparing to control (W0), ↓ or ↑, p < 0.05, ↓↓ or ↑↑ p < 0.01; d P values, when comparing to control (W0).