Calculated Mean Content Values
Units |
Average |
Min |
Max |
Standard Deviation |
mg/100 ml |
0.05 |
0.00 |
0.08 |
0.02 |
mol/100 ml |
3.10e-07 |
0.00 |
5.19e-07 |
1.25e-07 |
Values calculated by aggregating data from 22
different samples
from
6 unique
publications.
Aglycone Mean Content Values
Aglycone |
Units |
Average |
Min |
Max |
Standard Deviation |
Protocatechuic acid |
mg/100 ml |
0.05 |
0.00 |
0.08 |
0.02 |
mol/100 ml |
3.10e-07 |
0.00 |
5.19e-07 |
1.25e-07 |
Original Content Values Used to Produce Means
Jandera P., Skerikova V., Rehova L., Hajek T., Baldrianova L., Skopova G., Kellner V., Horna A. (2005) RP-HPLC analysis of phenolic compounds and flavonoids in beverages and plant extracts using a CoulArray detector. Journal of Separation Science 28:1005-1022 PubMed (16013828)
Original Content Value |
Original Food Description |
Commercial Origin |
# of Samples Analyzed |
0.00 mg/100 ml
|
Beer - Kronenburg 1664 - France |
yes |
1 |
0.00 mg/100 ml
|
Beer - Bud Budweiser - Italy |
yes |
1 |
0.01 mg/100 ml
|
Beer - Zipfer Original, premium - Austria |
yes |
1 |
2.00e-03 mg/100 ml
|
Beer - Veltins - Germany |
yes |
1 |
0.00 mg/100 ml
|
Beer - Heineken - Netherlands |
yes |
1 |
0.03 mg/100 ml
|
Beer - Budweiser Burgerbrau - Czech Republic |
yes |
1 |
0.02 mg/100 ml
|
Beer - Stella Artois Premium - Belgium |
yes |
1 |
0.03 mg/100 ml
|
Beer - Pilsner Urquell - Czech Republic |
yes |
1 |
0.01 mg/100 ml
|
Beer - Amstel - Netherlands |
yes |
1 |
8.00e-03 mg/100 ml
|
Beer - Pilot - Sweet wort - Research institute - Czech Republic |
no |
1 |
0.03 mg/100 ml
|
Beer - Bitburger Premium Pils - Germany |
yes |
1 |
0.01 mg/100 ml
|
Beer - Pilot - Hopped wort - Research institute - Czech Republic |
no |
1 |
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 |
7.00e-04 mg/100 ml
|
Italian lager beer |
no |
1 |
2.00e-03 mg/100 ml
|
Italian lager beer |
no |
1 |
Nardini M., Ghiselli A. (2004) Determination of free and bound phenolic acids in beer. Food Chemistry 84:137-143 PubMed (25308670)
Original Content Value |
Original Food Description |
Commercial Origin |
# of Samples Analyzed |
0.00 mg/100 ml
|
Italian beer |
yes |
1 |
0.00 mg/100 ml
|
Austrian beer |
yes |
1 |
0.00 mg/100 ml
|
German beer |
yes |
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 |
0.08 mg/100 ml
|
Italian lager beer |
yes |
23 |
0.04 mg/100 ml
|
Italian lager beer |
yes |
1 |
Rehova L., Skerikova V., Jandera P. (2004) Optimisation of gradient HPLC analysis of phenolic compounds and favonoids in beer using a CoulArray detector. Journal of Separation Science 27:1345-1359
Original Content Value |
Original Food Description |
Commercial Origin |
# of Samples Analyzed |
0.02 mg/100 ml
|
light lager beer Platan 11 |
yes |
1 |
0.02 mg/100 ml
|
Lowenbrau premium |
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 |
0.03 mg/100 ml
|
Beer, lager |
yes |
1 |