Calculated Mean Content Values

Units Average Min Max Standard Deviation
mg/100 ml 0.11 0.00 0.55 0.14
mol/100 ml 3.66e-07 0.00 1.89e-06 4.84e-07

Values calculated by aggregating data from 26 different samples from 11 unique publications.

Aglycone Mean Content Values

Aglycone Units Average Min Max Standard Deviation
(+)-Catechin mg/100 ml 0.11 0.00 0.55 0.14
mol/100 ml 3.66e-07 0.00 1.89e-06 4.84e-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
0.17 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
0.00 mg/100 ml Beer - Kronenburg 1664 - France yes 1
0.00 mg/100 ml Beer - Bud Budweiser - Italy yes 1
0.00 mg/100 ml Beer - Zipfer Original, premium - Austria yes 1
0.13 mg/100 ml Beer - Veltins - Germany yes 1
0.00 mg/100 ml Beer - Heineken - Netherlands yes 1
0.01 mg/100 ml Beer - Budweiser Burgerbrau - Czech Republic yes 1
0.00 mg/100 ml Beer - Stella Artois Premium - Belgium yes 1
0.00 mg/100 ml Beer - Pilsner Urquell - Czech Republic yes 1
0.00 mg/100 ml Beer - Amstel - Netherlands yes 1
0.17 mg/100 ml Beer - Pilot - Sweet wort - Research institute - Czech Republic no 1
0.02 mg/100 ml Beer - Bitburger Premium Pils - Germany yes 1
0.11 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
0.28 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
0.27 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
0.55 mg/100 ml Extra lager beer, Spain, 6.4% alcohol yes 1
Bartolomé B., Pena-Neira A., Gomez-Cordoves C. (2000) Phenolics and related substances in alcohol-free beers. European Food Research and Technology 210:419-423
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
0.04 mg/100 ml Standard beer, Spanish, German, Danish, alcohol 5% yes 1
Andersen M.L., Outtrup H., Skibsted L.H. (2000) Potential antioxidants in beer assessed by ESR spin trapping. Journal of Agricultural and Food Chemistry 48:3106-3111 PubMed (10956077)
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
0.02 mg/100 ml Lager beer A, Caminant malt no 1
0.37 mg/100 ml Lager beer B, Alexis malt (=normal catechin and proanthocyanidins) no 1
0.19 mg/100 ml Lager beer C, no sulfite no 1
0.13 mg/100 ml Lager beer D, commercial 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
4.90e-03 mg/100 ml light lager beer Platan 11 yes 1
0.00 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
0.08 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
0.22 mg/100 ml Beer, lager no 1