Calculated Mean Content Values

Units Average Min Max Standard Deviation
mg/100 ml 0.04 0.00 0.83 0.24
mol/100 ml 1.29e-07 0.00 2.75e-06 7.91e-07

Values calculated by aggregating data from 12 different samples from 4 unique publications.

Aglycone Mean Content Values

Aglycone Units Average Min Max Standard Deviation
Quercetin mg/100 ml 0.04 0.00 0.83 0.24
mol/100 ml 1.29e-07 0.00 2.75e-06 7.91e-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
0.00 mg/100 ml California white wine 1 - Sauvignon Blanc - 1990 yes 1
0.00 mg/100 ml California white wine 2 - Sauvignon Blanc - 1991 yes 1
0.00 mg/100 ml California white wine 3 - Chardonnay - 1990 yes 1
0.00 mg/100 ml California white wine 4 - Chardonnay - 1991 yes 1
0.00 mg/100 ml California white wine 5 - White Zinfandel 1992 yes 1
0.00 mg/100 ml California white wine 6 - White Zinfandel 1991 yes 1
Revilla E. (1986) Analysis of flavonol aglycones in wine extracts by high performance liquid chromatography. Chromatographia 22:157-159
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
0.01 mg/100 ml White wine - Spain - Valdepenas yes 5
0.01 mg/100 ml White wine - Spain - La Mancha yes 5
1.00e-03 mg/100 ml White wine - Spain - Rioja yes 5
Rodriguez-Delgado M.A., Malovana S., Perez J.P., Borges T., Montelongo F.J.G. (2001) Separation of phenolic compounds by high-performance liquid chromatography with absorbance and fluorimetric detection. Journal of Chromatography A 912:249-257 PubMed (11330794)
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
0.83 mg/100 ml Spanish white wine - Canary Islands yes 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 White wine - Chardonnay 2003 - Moravian - Czech Republic yes 1
0.00 mg/100 ml White wine - Riesling 2002 - Moravian - Czech Republic yes 1