Figure 3: Data reduction of the region of a 1H NMR spectrum of a bio-fluid sample into spectral regions of equal width in ppm.[1] lipids, [2] valine/ isoleucine, [3] lipids, [4] threonine, [5] lactate, [6] alanine,[7] arginine/lysine, [8] proline,[9] glutamine,[10] glucose/amino acids, [11] lactate.