Matsui Y., Nakamura S., Kondou N., Takasu Y., Ochiai R., Masukawa Y. (2007) Liquid chromatography-electrospray ionization-tandem mass spectrometry for simultaneous analysis of chlorogenic acids and their metabolites in human plasma. J Chromatogr B Analyt Technol Biomed Life Sci 858:96-105 PubMed (17766198)

Plasma analysed without enzymatic deconjugation

Plasma Concentration (ng/mL)
Number Dose Multiple Dose Duration Time (hours) Metabolite
0 1 3
1 250 mL Single Dose 0 6.64 303
3-Feruloylquinic acid
2 250 mL Single Dose 0 13.87 7.01
5-Feruloylquinic acid
3 250 mL Single Dose 0 3.8 2.78
4-Feruloylquinic acid
4 250 mL Single Dose 0 0.89 0
Ferulic acid
5 250 mL Single Dose 0 3.91 2.5
3-Caffeoylquinic acid
6 250 mL Single Dose 0 7.39 4.05
5-Caffeoylquinic acid
7 250 mL Single Dose 0 6.81 4.08
5-Caffeoylquinic acid
Ml)&chxp=1,50|3,50&chd=t:0.0,1.0,3.0|0.0,6.64,303.0|0.0,1.0,3.0|0.0,13.87,7.01|0.0,1.0,3.0|0.0,3.8,2.78|0.0,1.0,3.0|0.0,0.89,0.0|0.0,1.0,3.0|0.0,3.91,2.5|0.0,1.0,3.0|0.0,7.39,4.05|0.0,1.0,3.0|0.0,6.81,4