Table 2.

Protein-bound thiol-containing amino acids and peptides [mean (SD) of triplicates] determined for albumin and globulin fractions of pooled plasma. Free amino acids were removed by ultrafiltration.

FractionProtein, g/LAlbumin, g/LCys, μmol/LHcy, μmol/LCysGly, μmol/LGlutathione, μmol/L
Albumin19.518.992.0 (0.1)3.85 (0.03)10.2 (0.1)1.45 (0.04)
Globulin14.10.0536.3 (0.1)0.51 (0.03)6.6 (0.1)1.11 (0.06)
Corrected to serum concentrations
 Albumin33.8164.5 (0.2)6.88 (0.05)18.2 (0.2)2.59 (0.07)
 Globulin32.984.7 (0.2)1.19 (0.07)15.4 (0.2)2.59 (0.14)
Bound component on globulins, %34154650