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)

Compound Mean content
Chlorogenic acid, total 300 mg/250 mL
3-Caffeoylquinic acid 57.5 mg/250 mL
4-Caffeoylquinic acid 60 mg/250 mL
5-Caffeoylquinic acid 105 mg/250 mL
3-Feruloylquinic acid 12.5 mg/250 mL
4-Feruloylquinic acid 12.5 mg/250 mL
5-Feruloylquinic acid 25 mg/250 mL
3,5-Dicaffeoylquinic acid 10 mg/250 mL
4,5-Dicaffeoylquinic acid 5 mg/250 mL
3,4-Dicaffeoylquinic acid 12.5 mg/250 mL