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. 2020 Jul 16;11(5):1321–1335. doi: 10.1002/jcsm.12597

Table 6.

Metabolites in the plasma on Day 7 correlated with loss of grip strength over the 7 days

Metabolite Pathway/type Module r P
Paraxanthine Xanthine metabolism black 0.83 3.0E‐05
1,7‐Dimethylurate Xanthine metabolism black 0.82 6.2E‐05
1,3‐Dimethylurate Xanthine metabolism black 0.81 7.1E‐05
5.Acetylamino‐6‐amino‐3‐methyluracil Xanthine metabolism black 0.80 1.1E‐04
3‐Methyl‐catechol‐sulfate Benzoate metabolism black 0.76 4.0E‐04
5‐Acetylamino‐6‐formylamino‐3‐methyluracil Xanthine metabolism black 0.76 4.5E‐04
1,3,7‐Trimethylurate Xanthine metabolism black 0.75 4.9E‐04
Theophylline Xanthine metabolism black 0.75 6.0E‐04
Sucrose Disaccharides and oligosaccharides black 0.74 6.3E‐04
Caffeic acid sulfate Xanthine metabolism black 0.74 7.0E‐04
3‐Hydroxypyridine sulfate Chemical black 0.72 1.1E‐03
Theobromine Xanthine metabolism black 0.71 1.3E‐03
Catechol sulfate Benzoate metabolism black 0.71 1.3E‐03
1‐(1‐Enyl‐stearoyl)‐2‐arachidonoyl‐GPE (P‐18:0/20:4) Plasmalogen blue 0.71 1.5E‐03
Quinate Food component/plant black 0.69 2.1E‐03
Cytidine Pyrimidine metabolism, Cytidine containing blue −0.68 2.6E‐03
1‐Methylxanthine Xanthine metabolism black 0.68 2.6E‐03
N‐Palmitoylserine Endocannabinoid red 0.68 2.7E‐03
Caffeine Xanthine metabolism black 0.68 2.7E‐03
Guaiacol sulfate Benzoate metabolism black 0.68 2.9E‐03
1‐Methylurate Xanthine metabolism black 0.66 3.7E‐03
Trigonelline (N′‐methylnicotinate) Nicotinate and nicotinamide metabolism black 0.66 4.0E‐03
Mannose Fructose, mannose, and galactose metabolism black −0.64 5.2E‐03
Perfluorooctanesulfonate Chemical green −0.63 6.2E‐03
3‐Methylxanthine Xanthine metabolism black 0.63 6.4E‐03
Atorvastatin lipitor Xenobiotics black −0.63 6.6E‐03
1‐(1‐Enyl‐palmitoyl)‐2‐Arachidonoyl‐GPE (P‐16:0/20:4) Plasmalogen blue 0.63 6.8E‐03
Atorvastatin lactone Xenobiotics black −0.62 7.7E‐03
3‐Hydroxybutyrylcarnitine Fatty acid metabolism(acyl carnitine) blue −0.61 8.7E‐03
2,3‐Dihydroxyisovalerate Food component/plant black 0.61 8.8E‐03
7‐Methylurate Xanthine metabolism black 0.61 9.6E‐03

GPE, glycerol phosphorylethanolamine.