Stalmach A., Mullen W., Barron D., Uchida K., Yokota T., Cavin C., Steiling H., Williamson G., Crozier A. (2009) Metabolite profiling of hydroxycinnamate derivatives in plasma and urine after the ingestion of coffee by humans: identification of biomarkers of coffee consumption. Drug Metab Dispos 37:1749-58 PubMed (19460943)

Compound Mean content
3-Caffeoylquinic acid 72 µmol/200 mL
4-Caffeoylquinic acid 78 µmol/200 mL
5-Caffeoylquinic acid 119 µmol/200 mL
Chlorogenic acid, total 412 µmol/200 mL
3-Feruloylquinic acid 20 µmol/200 mL
4-Feruloylquinic acid 22 µmol/200 mL
5-Feruloylquinic acid 25 µmol/200 mL
3,4-Dicaffeoylquinic acid 5.8 µmol/200 mL
3,5-Dicaffeoylquinic acid 2.8 µmol/200 mL
4,5-Dicaffeoylquinic acid 4 µmol/200 mL
4-p-Coumaroylquinic acid 3.8 µmol/200 mL
5-p-Coumaroylquinic acid 3.1 µmol/200 mL
p-Coumaroylquinic acid 6.8 µmol/200 mL