Calculated Mean Content Values

Units Average Min Max Standard Deviation
mg/100 g FW 0.13 0.00 0.22 0.06
mol/100 g 4.36e-07 0.00 7.28e-07 2.05e-07

Values calculated by aggregating data from 9 different samples from 2 unique publications.

Aglycone Mean Content Values

Aglycone Units Average Min Max Standard Deviation
Quercetin mg/100 g FW 0.13 0.00 0.22 0.06
mol/100 g 4.36e-07 0.00 7.28e-07 2.05e-07

Original Content Values Used to Produce Means

Sluis A.A.v.-d., Dekker M., Skrede G., Jongen W.M.F. (2002) Activity and concentration of polyphenolic antioxidants in apple juice. 1. Effect of existing production methods. Journal of Agricultural and Food Chemistry 50:7211-7219 PubMed (12452634)
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
0.00 mg/100 g FW Fresh Apple - Jonagold no 5
Vrhovsek U., Rigo A., Tonon D., Mattivi F. (2004) Quantitation of polyphenols in different apple varieties. Journal of Agricultural and Food Chemistry 52:6532-6538 PubMed (15479019)
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
0.22 mg/100 g FW Apple - Cored - Red Delicious no 7
0.12 mg/100 g FW Apple - Cored - Granny Smith no 3
0.12 mg/100 g FW Apple - Cored - Morgenduft no 4
0.16 mg/100 g FW Apple - Cored - Golden Delicious no 9
0.12 mg/100 g FW Apple - Cored - Royal Gala no 7
0.19 mg/100 g FW Apple - Cored - Braeburn no 2
0.10 mg/100 g FW Apple - Cored - Fuji no 3
0.12 mg/100 g FW Apple - Cored - Renetta no 6