Figure 3.

Representative 600 MHz 1H NMR spectra of the liver. Key: 1, isoleucine; 2, leucine; 3, valine; 4, lactate; 5, alanine; 6, Lysine; 7, ornithine; 8, acetate; 9, methionine; 10, glutamate; 11, glutamine; 12, carnitine; 13, glutathione; 14, ß-alanine; 15, dimethylamine; 16, sarcosine; 17, carnosine; 18, creatine; 19, ethanolamine; 20, choline; 21, O-phosphocholine; 22, sn-glycerol-3-phosphocholine; 23, taurine; 24, betaine; 25, glucose; 26, glycine; 27, maltose; 28, mannose; 29, ascorbate; 30; uridine; 31, inosine; 32, fumarate; 33, tyrosine; 34, phenylalanine; 35, niacinamide.