Journal of Food Quality / 2019 / Article / Tab 1

Research Article

Effect of Chilled Ageing Conditioning at 4°C in Lamb Longissimus Dorsi Muscles on Water-Soluble Flavour Precursors as Revealed by a Metabolomic Approach

Table 1

Identification of significantly different metabolites in lamb samples using GC × GC-TOF/.

Metabolite nameRTMassSimilarityVIP valueFC

0 d versus 4 d
Nicotinoyl-glycine7.282079121.260.051.34
Pyruvic acid7.461748851.560.040.64
Hydroxylamine8.291468701.74<0.011.21
3-Hydroxybutyric acid8.641179251.450.020.70
Glycerol9.912059331.360.041.26
N-Epsilon-acetyl-L-lysine10.132009121.75<0.010.75
Succinic acid10.492478991.80<0.011.49
D-Glyceric acid10.621899172.26<0.012.36
Methionine13.321767971.300.041.49
Glucose-1-phosphate16.952179001.260.051.20
Tyrosine17.212269041.330.040.73
Citric acid17.792739101.150.051.51
Hypoxanthine18.052657971.07<0.011.93
N,N-Dimethyl-P-phenylenediamine22.912659121.350.0115.20
Fructose-6-phosphate24.034599141.86<0.011.70
Inosine26.032309131.400.041.36

4 d versus 8 d
Lactic acid7.401178251.87<0.010.94
Maleamate7.891517971.56<0.010.87
Methylmalonic acid8.372187211.86<0.010.86
Valine9.311449181.420.021.52
N-Epsilon-acetyl-L-lysine10.132009121.560.010.78
Isoleucine10.251589081.410.031.56
D-Glyceric acid10.621899171.280.041.42
Threonine11.362199041.380.031.33
N-Alpha-acetyl-L-ornithine12.491549121.420.030.89
Aminomalonic acid12.542187781.400.031.34
Aspartate13.212327011.620.021.90
Methionine13.321767971.95<0.012.66
Phenylalanine14.972187021.530.022.03
Tyrosine17.212269042.03<0.011.82
O-Phosphorylethanolamine17.23737661.590.011.28
Hypoxanthine18.052657971.440.031.14
N-Acetyl-beta-D-mannosamine21.982029121.99<0.014.66
Inosine26.032309132.14<0.011.51

RT = retention time; FC = fold change. The values of FC are mean value of peak area obtained from day 4 group/mean value of peak area obtained from day 0 group, day 8 group/day 4 group, respectively.

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