Calculated Mean Content Values

Units Average Min Max Standard Deviation
mg/100 ml 7.50e-03 0.00 1.00e-02 5.00e-03
mol/100 ml 4.16e-08 0.00 5.55e-08 2.78e-08

Values calculated by aggregating data from 4 different samples from 2 unique publications.

Aglycone Mean Content Values

Aglycone Units Average Min Max Standard Deviation
Caffeic acid mg/100 ml 7.50e-03 0.00 1.00e-02 5.00e-03
mol/100 ml 4.16e-08 0.00 5.55e-08 2.78e-08

Original Content Values Used to Produce Means

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
0.01 mg/100 ml Irish Ale beer yes 1
McMurrough I., Roche G.G., Cleary K.G. (1984) Phenolic acids in beers and worts. Journal of the Institute of Brewing 90:181-187 PubMed (25664918)
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
0.00 mg/100 ml Beer, ale, British export A yes 1
0.01 mg/100 ml Beer, ale, British export B yes 1
0.01 mg/100 ml Beer, ale yes 1