Calculated Mean Content Values

Units Average Min Max Standard Deviation
mg/100 ml 0.81 0.00 3.17 0.76
mol/100 ml 1.32e-06 0.00 5.19e-06 1.24e-06

Values calculated by aggregating data from 28 different samples from 5 unique publications.

Aglycone Mean Content Values

Aglycone Units Average Min Max Standard Deviation
Quercetin mg/100 ml 0.40 0.00 1.57 0.38
mol/100 ml 6.53e-07 0.00 2.57e-06 6.15e-07

Original Content Values Used to Produce Means

Frankel E.N., Waterhouse A.L., Teissedre P.L. (1995) Principal phenolic phytochemicals in selected California wines and their antioxidant activity in inhibiting oxidation of human low-density lipoproteins. Journal of Agricultural and Food Chemistry 43:890-894
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
0.68 mg/100 ml California red wine 1 - Cabernet Sauvignon - 1989 yes 1
0.50 mg/100 ml California red wine 2 - Merlot - 1990 yes 1
0.98 mg/100 ml California red wine 3 - Cabernet Sauvignon - 1987 yes 1
0.32 mg/100 ml California red wine 4 - Zinfandel - 1990 yes 1
2.61 mg/100 ml California red wine 5 - Cabernet Sauvignon - 1987 yes 1
3.17 mg/100 ml California red wine 6 - Petite Sirah - 1987 yes 1
0.24 mg/100 ml California red wine 7 - Petite Sirah - 1989 yes 1
0.90 mg/100 ml California red wine 8 - Cabernet Sauvignon - 1987 yes 1
0.44 mg/100 ml California red wine 9 - Pinot Noir - 1992 yes 1
0.27 mg/100 ml California red wine 10 - Cabernet Sauvignon - 1987 yes 1
0.83 mg/100 ml California red wine 11 - Petite Sirah - 1990 yes 1
0.29 mg/100 ml California red wine 12 - Merlot - 1991 yes 1
0.24 mg/100 ml California red wine 13 - Cabernet Sauvignon - 1991 yes 1
1.29 mg/100 ml California red wine 14 - Cabernet Sauvignon - 1989 yes 1
Pavia C., Bufo S.A., Scopa A., Scrano L., Guerrieri A., Cataldi T.R.I. (2001) Determination of phenolic compounds of biological interest in some Italian red wines by HPLC-DAD. Advances in Food Sciences 23:100-107
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
0.00 mg/100 ml Red wine 1 - Italy - Luciana region - D'Angelo producer - Aglianico - 1997 yes 1
0.00 mg/100 ml Red wine 2 - Italy - Luciana region - Martino producer - Aglianico - 1997 yes 1
0.00 mg/100 ml Red wine 3 - Italy - Luciana region - Paternoster producer - Aglianico - 1997 yes 1
0.00 mg/100 ml Red wine 4 - Italy - Luciana region - Portali producer - Aglianico - 1997 yes 1
La Torre G.L., Saitta M., Vilasi F., Pellicano T., Dugo G. (2006) Direct determination of phenolic compounds in Sicilian wines by liquid chromatography with PDA and MS detection. Food Chemistry 94:640-650
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
1.32 mg/100 ml Red wine - Nero d'Avola - Sicile - 2002 yes 11
0.85 mg/100 ml Red wine - Merlot - Sicile - 2002 yes 5
0.73 mg/100 ml Red wine - Cabernet, Syrah, Petit-Verdot - Sicile - 2002 yes 6
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
0.74 mg/100 ml Red wine - St Lawrence 2002 - Moravian - Czech Republic yes 1
0.75 mg/100 ml Red wine - Ruland Blue 2002 - Moravian - Czech Republic yes 1
Lopez M., Martinez F., Del Valle C., Orte C., Miro M. (2001) Analysis of phenolic constituents of biological interest in red wines by high-performance liquid chromatography. Journal of Chromatography A 922:359-63 PubMed (22305355)
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
0.00 mg/100 ml Red wine - Spain - Sample 1 yes 1
0.00 mg/100 ml Red wine - Spain - Sample 2 yes 1
0.00 mg/100 ml Red wine - Spain - Sample 3 yes 1
0.00 mg/100 ml Red wine - Spain - Sample 4 yes 1
0.46 mg/100 ml Red wine - Spain - Sample 5 yes 1