Calculated Mean Content Values

Units Average Min Max Standard Deviation
mg/100 g FW 0.45 0.00 1.00 0.37
mol/100 g 1.48e-06 0.00 3.31e-06 1.23e-06

Values calculated by aggregating data from 5 different samples from 2 unique publications.

Aglycone Mean Content Values

Aglycone Units Average Min Max Standard Deviation
Quercetin mg/100 g FW 0.45 0.00 1.00 0.37
mol/100 g 1.48e-06 0.00 3.31e-06 1.23e-06

Original Content Values Used to Produce Means

Hertog, M. Hollman, P. Katan, M (1992) Content of potentially anticarcinogenic flavonoids of 28 vegetables and 9 fruits commonly consumed in the Netherland. Journal of Agricultural and Food Chemistry 40:2379-2383
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
0.33 mg/100 g FW Whole pear - Pyrus communis L. - Conference - April 1991 yes 1
1.00 mg/100 g FW Whole pear - Pyrus communis L. - Beurré Hardy - Aug 1991 yes 1
0.58 mg/100 g FW Whole pear - Pyrus communis L. - Doyenne du Comice - Dec 1991 yes 1
0.32 mg/100 g FW Whole pear - Pyrus communis L. - Conference - April 1992 yes 1
Lugasi A., Hovari J. (2002) Flavonoid aglycons in foods of plant origin. II. Fresh and dried fruits. Acta Alimentaria 31:63-71
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
0.00 mg/100 g FW Pear no 1