Determination of Glucosamine in Human Plasma by High-Performance Liquid Chromatography-Atmospheric Pressure Chemical Ionization Source-Tandem Mass Spectrometry
Figure 2
The chromatogram of (a) blank human plasma, (b) plasma sample with glucosamine (concentration of glucosamine 53.27 ng/mL), (c) plasma sample with glucosamine (concentration of glucosamine 852.3 ng/mL), (d) a plasma sample obtained after a single oral dose of glucosamine.