Calculated Mean Content Values

Units Average Min Max Standard Deviation
mg/100 ml 0.05 0.00 0.38 0.14
mol/100 ml 1.87e-07 0.00 1.31e-06 4.95e-07

Values calculated by aggregating data from 7 different samples from 2 unique publications.

Aglycone Mean Content Values

Aglycone Units Average Min Max Standard Deviation
(-)-Epicatechin mg/100 ml 0.05 0.00 0.38 0.14
mol/100 ml 1.87e-07 0.00 1.31e-06 4.95e-07

Original Content Values Used to Produce Means

Cortacero-Ramirez S., Segura-Carretero A., Cruces-Blanco C., Romero-Romero M.L., Fernandez-Gutierrez A. (2004) Simultaneous determination of multiple constituents in real beer samples of different origins by capillary zone electrophoresis. Analytical and Bioanalytical Chemistry 380:831-837 PubMed (15490130)
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
0.00 mg/100 ml Belgian beer, ale, high fermentation, 8.5% alcohol yes 1
0.00 mg/100 ml Belgian abbey beer, ale, high fermentation, 8.1% alcohol yes 1
0.00 mg/100 ml Red malt beer, Spain, alcohol 7.2% yes 1
0.38 mg/100 ml Trappist beer Belgium, high fermentation, 7% alcohol yes 1
0.00 mg/100 ml Double malt beer, Belgium, 6.5% alcohol yes 1
0.00 mg/100 ml Wheat beer, Germany, 5.3% alcohol yes 1
Hayes P., Smyth M.R., McMurrough I. (1987) Comparison of electrochemical and ultraviolet detection methods in high-performance-liquid-chromatography for the determination of phenolic compounds commonly found in beers. Part 2. Analysis of beers. Analyst 112:1205-1207 PubMed (3425922)
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
0.00 mg/100 ml Irish Ale beer yes 1