Calculated Mean Content Values

Units Average Min Max Standard Deviation
mg/100 g FW 40.27 2.20 91.10 38.13
mol/100 g 1.33e-04 7.28e-06 3.01e-04 1.26e-04

Values calculated by aggregating data from 4 different samples from 1 unique publication.

Aglycone Mean Content Values

Aglycone Units Average Min Max Standard Deviation
Quercetin mg/100 g FW 40.27 2.20 91.10 38.13
mol/100 g 1.33e-04 7.28e-06 3.01e-04 1.26e-04

Original Content Values Used to Produce Means

Crozier, A., Lean, M.E.J., McDonald, M.S., Black, C. (1997) Quantitative analysis of the flavonoids content of commercial tomatoes, onions, lettuce and celery. Journal of Agricultural and Food Chemistry 45:590-595
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
22.80 mg/100 g FW Lettuce - Lactuca sativa - Marvel of Four seasons - Red - Outer leaves no 1
2.20 mg/100 g FW Lettuce - Lactuca sativa - Marvel of Four seasons - Red - Inner leaves no 1
91.10 mg/100 g FW Lettuce - Lactuca sativa - Lollo Rosso - Malibu - Red - Commercial - Outer leaves no 1
45.00 mg/100 g FW Lettuce - Lactuca sativa - Lollo Rosso - Malibu - Red - Commercial - Inner leaves no 1