Calculated Mean Content Values

Units Average Min Max Standard Deviation
mg/100 g FW 0.22 0.10 0.32 0.06
mol/100 g 3.64e-07 1.64e-07 5.24e-07 9.73e-08

Values calculated by aggregating data from 12 different samples from 2 unique publications.

Aglycone Mean Content Values

Aglycone Units Average Min Max Standard Deviation
Quercetin mg/100 g FW 0.11 0.05 0.16 0.03
mol/100 g 1.80e-07 8.11e-08 2.59e-07 4.82e-08

Original Content Values Used to Produce Means

van Der Sluis, A. A.;Dekker, M.;de Jager, A.;Jongen, W. M. (2001) Activity and concentration of polyphenolic antioxidants in apple: effect of cultivar, harvest year, and storage conditions. Journal of Agricultural and Food Chemistry 49:3606-13. PubMed (11513636)
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
0.30 mg/100 g FW Apple Jonagold 1 no 1
0.10 mg/100 g FW Apple Jonagold 2 no 1
0.20 mg/100 g FW Apple Jonagold 3 no 1
0.20 mg/100 g FW Apple Jonagold 4 no 1
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
0.25 mg/100 g FW Apple - Cored - Red Delicious no 7
0.19 mg/100 g FW Apple - Cored - Granny Smith no 3
0.23 mg/100 g FW Apple - Cored - Morgenduft no 4
0.22 mg/100 g FW Apple - Cored - Golden Delicious no 9
0.19 mg/100 g FW Apple - Cored - Royal Gala no 7
0.28 mg/100 g FW Apple - Cored - Braeburn no 2
0.32 mg/100 g FW Apple - Cored - Fuji no 3
0.19 mg/100 g FW Apple - Cored - Renetta no 6