Calculated Mean Content Values

Units Average Min Max Standard Deviation
mg/100 ml 0.05 2.40e-03 0.05 0.02
mol/100 ml 2.53e-07 1.32e-08 2.74e-07 1.28e-07

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

Aglycone Mean Content Values

Aglycone Units Average Min Max Standard Deviation
Homovanillic acid mg/100 ml 0.05 2.40e-03 0.05 0.02
mol/100 ml 2.53e-07 1.32e-08 2.74e-07 1.28e-07

Original Content Values Used to Produce Means

Montanari L., Perretti G., Natella F., Guidi A., Fantozzi P. (1999) Organic and phenolic acids in beer. LWT - Food Science and Technology 32:535-539 PubMed (25745209)
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
8.30e-03 mg/100 ml Italian lager beer no 1
2.40e-03 mg/100 ml Italian lager beer no 1
Floridi S., Montanari L., Marconi O., Fantozzi P. (2003) Determination of free phenolic acids in wort and beer by coulometric array detection. Journal of Agricultural and Food Chemistry 51:1548-1554 PubMed (12617582)
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
0.05 mg/100 ml Italian lager beer yes 23
0.04 mg/100 ml Italian lager beer yes 1