Calculated Mean Content Values

Units Average Min Max Standard Deviation
mg/100 ml 59.60 53.00 66.21 9.34
mol/100 ml 1.68e-04 1.50e-04 1.87e-04 2.64e-05

Values calculated by aggregating data from 2 different samples from 2 unique publications.

Aglycone Mean Content Values

Aglycone Units Average Min Max Standard Deviation
Caffeic acid mg/100 ml 30.31 26.95 33.67 4.75
mol/100 ml 8.55e-05 7.61e-05 9.50e-05 1.34e-05

Original Content Values Used to Produce Means

Mattila P., Kumpulainen J. (2002) Determination of free and total phenolic acids in plant-derived foods by HPLC with diode-array detection. Journal of Agricultural and Food Chemistry 50:3660-3667 PubMed (12059140)
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
53.00 mg/100 ml Coffee, drink yes 1
Fujioka K., Shibamoto T. (2006) Quantitation of volatiles and nonvolatile acids in an extract from coffee beverages: correlation with antioxidant activity. Journal of Agricultural and Food Chemistry 54:6054-6058
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
66.21 mg/100 ml Coffee, regular yes 1