Calculated Mean Content Values
| Units |
Average |
Min |
Max |
Standard Deviation |
| mg/100 ml |
0.06 |
0.00 |
0.13 |
0.04 |
| mol/100 ml |
2.00e-07 |
0.00 |
4.48e-07 |
1.30e-07 |
Values calculated by aggregating data from 21
different samples
from
9 unique
publications.
Aglycone Mean Content Values
| Aglycone |
Units |
Average |
Min |
Max |
Standard Deviation |
| (-)-Epicatechin |
mg/100 ml |
0.06 |
0.00 |
0.13 |
0.04 |
| mol/100 ml |
2.00e-07 |
0.00 |
4.48e-07 |
1.30e-07 |
Original Content Values Used to Produce Means
Arts, I.C.W. ; van de Putte, B.;Hollman, P.C.H. (2000) Catechin Contents of Foods Commonly Consumed in The Netherlands. 2. Tea, Wine, Fruit juices and chocolate milk. Journal of Agricultural and Food Chemistry 48:1752-1757 PubMed (10820090)
| Original Content Value |
Original Food Description |
Commercial Origin |
# of Samples Analyzed |
|
0.00 mg/100 ml
|
Lager beer - Heineken |
yes |
1 |
McMurrough I., Madigan D. (1996) Semipreparative chromatographic procedure for the isolation of dimeric and trimeric proanthocyanidins from barley. Journal of Agricultural and Food Chemistry 44:1731-1735
| Original Content Value |
Original Food Description |
Commercial Origin |
# of Samples Analyzed |
|
0.09 mg/100 ml
|
lager beer, brewed with all-barley malt |
no |
1 |
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 |
|
0.04 mg/100 ml
|
Beer - Kronenburg 1664 - France |
yes |
1 |
|
0.04 mg/100 ml
|
Beer - Bud Budweiser - Italy |
yes |
1 |
|
0.05 mg/100 ml
|
Beer - Zipfer Original, premium - Austria |
yes |
1 |
|
0.09 mg/100 ml
|
Beer - Veltins - Germany |
yes |
1 |
|
0.05 mg/100 ml
|
Beer - Heineken - Netherlands |
yes |
1 |
|
0.09 mg/100 ml
|
Beer - Budweiser Burgerbrau - Czech Republic |
yes |
1 |
|
0.05 mg/100 ml
|
Beer - Stella Artois Premium - Belgium |
yes |
1 |
|
0.13 mg/100 ml
|
Beer - Pilsner Urquell - Czech Republic |
yes |
1 |
|
0.06 mg/100 ml
|
Beer - Amstel - Netherlands |
yes |
1 |
|
0.03 mg/100 ml
|
Beer - Pilot - Sweet wort - Research institute - Czech Republic |
no |
1 |
|
0.11 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 |
McMurrough I., Baert T. (1994) Identification of proanthocyanidins in beer and their direct measurement with a dual electrode electrochemical detector. Journal of the Institute of Brewing 100:409-416
| Original Content Value |
Original Food Description |
Commercial Origin |
# of Samples Analyzed |
|
0.10 mg/100 ml
|
Lager storage beer |
yes |
1 |
Madigan D., McMurrough I. (1994) Determination of proanthocyanidins and catechins in beer and barley by high-performance liquid chromatography with dual-electrode electrochemical detection. Analyst 119:863-868 PubMed (8067536)
| Original Content Value |
Original Food Description |
Commercial Origin |
# of Samples Analyzed |
|
0.06 mg/100 ml
|
stabilized with PVPP |
no |
1 |
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
|
Extra lager beer, Spain, 6.4% alcohol |
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 |
|
0.11 mg/100 ml
|
light lager beer Platan 11 |
yes |
1 |
|
0.03 mg/100 ml
|
Lowenbrau premium |
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 |
|
0.02 mg/100 ml
|
Irish Lager beer |
yes |
1 |
McMurrough I., Madigan D., Kelly R.J., Smyth M.R. (1996) The role of flavanoid polyphenols in beer stability. Journal of the American Society of Brewing Chemists 54:141-148
| Original Content Value |
Original Food Description |
Commercial Origin |
# of Samples Analyzed |
|
0.06 mg/100 ml
|
Beer, lager |
no |
1 |