Calculated Mean Content Values

Units Average Min Max Standard Deviation
mg/100 g FW 0.03 0.00 1.02 0.17
mol/100 g 8.30e-08 0.00 3.21e-06 5.27e-07

Values calculated by aggregating data from 37 different samples from 7 unique publications.

Aglycone Mean Content Values

Aglycone Units Average Min Max Standard Deviation
Myricetin mg/100 g FW 0.03 0.00 1.02 0.17
mol/100 g 8.30e-08 0.00 3.21e-06 5.27e-07

Original Content Values Used to Produce Means

Justesen, U.;Knuthsen, P.;Leth, T. (1998) Quantitative analysis of flavonols, flavones, and flavanones in fruits, vegetables and beverages by high-performance liquid chromatography with photo-diode array and mass spectrometric detection. Journal of Chromatography A 799:101-10 PubMed (9550103)
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
0.00 mg/100 g FW Cabbage lettuce - Butterhead yes 2
0.00 mg/100 g FW Iceberg salad yes 2
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
0.00 mg/100 g FW Lettuce - Lactuca sativa L. cv. Capitata L. - April 1991 yes 1
0.00 mg/100 g FW Lettuce - Lactuca sativa L. cv. Capitata L. - Aug 1991 yes 1
0.00 mg/100 g FW Lettuce - Lactuca sativa L. cv. Capitata L. - Dec 1991 yes 1
0.00 mg/100 g FW Lettuce - Lactuca sativa L. cv. Capitata L. - April 1992 yes 1
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
0.00 mg/100 g FW Lettuce - Lactuca sativa - Round lettuce - Green - Cortina - Commercial - Whole no 1
0.00 mg/100 g FW Lettuce - Lactuca sativa - Green salad bowl - Whole no 1
0.00 mg/100 g FW Lettuce - Green - Lactuca sativa - Lollo Bionda - Cerieo - Safeway - Whole no 1
Bilyk, A., Sapers, G.M. (1985) Distribution of quercetin and kaempferol in lettuce, kale, chive, garlic chive, leek, horseradish, red radish, and red cabbage tissues. Journal of Agricultural and Food Chemistry 33:226-228
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
0.00 mg/100 g FW Leaf lettuce - Crispy Sweet - Whole no 1
0.00 mg/100 g FW Leaf lettuce - Green Ice - Whole no 1
0.00 mg/100 g FW Leaf lettuce - Ruby - Whole no 1
0.00 mg/100 g FW Leaf lettuce - Salad Bowl - Whole no 1
0.00 mg/100 g FW Head lettuce - Augusta - Outer leaves no 1
0.00 mg/100 g FW Head lettuce - Augusta - Inner leaves no 1
0.00 mg/100 g FW Head lettuce - Augusta - Apical leaves no 1
0.00 mg/100 g FW Head lettuce - Buttercrunch - Outer leaves no 1
0.00 mg/100 g FW Head lettuce - Buttercrunch - Inner leaves no 1
0.00 mg/100 g FW Head lettuce - Buttercrunch - Apical leaves no 1
0.00 mg/100 g FW Head lettuce - Minneto - Outer leaves no 1
0.00 mg/100 g FW Head lettuce - Minneto - Inner leaves no 1
0.00 mg/100 g FW Head lettuce - Minneto - Apical leaves no 1
0.00 mg/100 g FW Head lettuce - Summer Bibb - Outer leaves no 1
0.00 mg/100 g FW Head lettuce - Summer Bibb - Inner leaves no 1
0.00 mg/100 g FW Head lettuce - Summer Bibb - Apical leaves no 1
0.00 mg/100 g FW Head lettuce - Tom Thumb - Outer leaves no 1
0.00 mg/100 g FW Head lettuce - Tom Thumb - Inner leaves no 1
0.00 mg/100 g FW Head lettuce - Tom Thumb - Apical leaves no 1
0.00 mg/100 g FW Head lettuce - Barcarolle - Whole no 1
0.00 mg/100 g FW Head lettuce - Burpee Bibb - Whole no 1
0.00 mg/100 g FW Head lettuce - Fordhook - Whole no 1
0.00 mg/100 g FW Head lettuce - Paris White - Whole no 1
Bahorun T., Luximon-Ramma A., Crozier A., Aruoma O.I. (2004) Total phenol, flavonoid, proanthocyanidin and vitamin C levels and antioxidant activities of Mauritian vegetables. Journal of the Science of Food and Agriculture 84:1553-1561
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
0.00 mg/100 g FW Vegetables - Lettuce - Lactuca sativa L. - Mignonette no 1
Chu Y.H., Chao-Lin C., Hsia-Fen H. (2000) Flavonoid content of several vegetables and their antioxidant activity. Journal of the Science of Food and Agriculture 80:561-566 PubMed (25591122)
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
0.01 mg/100 g FW Leaf lettuce no 1
Lugasi A., Hovari J. (2000) Flavonoid aglycons in foods of plant origin I. Vegetables. Acta Alimentaria 29:345-352
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
1.02 mg/100 g FW Lettuce - Local market - Edible parts yes 1
0.00 mg/100 g FW Crisped lettuce - Local market - Edible parts yes 1
0.00 mg/100 g FW Ice lettuce - Local market - Edible parts yes 1