Calculated Mean Content Values

Units Average Min Max Standard Deviation
mg/100 g FW 2.69 0.64 9.11 1.92
mol/100 g 6.16e-06 1.47e-06 2.09e-05 4.40e-06

Values calculated by aggregating data from 19 different samples from 4 unique publications.

Aglycone Mean Content Values

Aglycone Units Average Min Max Standard Deviation
Phloretin mg/100 g FW 1.69 0.40 5.73 1.21
mol/100 g 3.87e-06 9.22e-07 1.31e-05 2.77e-06

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
1.30 mg/100 g FW Apple Jonagold 1 no 1
2.80 mg/100 g FW Apple Jonagold 2 no 1
2.40 mg/100 g FW Apple Jonagold 3 no 1
1.50 mg/100 g FW Apple Jonagold 4 no 1
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
4.60 mg/100 g FW Fresh Apple - Jonagold no 5
Lee K.W., Kim Y.J., Kim D.O., Lee H.J., Lee C.Y. (2003) Major phenolics in apple and their contribution to the total antioxidant capacity. Journal of Agricultural and Food Chemistry 51:6516-6520 PubMed (15630226)
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
1.80 mg/100 g FW Apple with skin - Golden Delicious no 1
1.44 mg/100 g FW Apple with skin - Cortland no 1
2.40 mg/100 g FW Apple with skin - Monroe no 1
2.08 mg/100 g FW Apple with skin - Rhode Island Greening no 1
2.80 mg/100 g FW Apple with skin - Empire no 1
1.84 mg/100 g FW Apple with skin - NY674 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
3.23 mg/100 g FW Apple - Cored - Red Delicious no 7
0.64 mg/100 g FW Apple - Cored - Granny Smith no 3
0.85 mg/100 g FW Apple - Cored - Morgenduft no 4
1.49 mg/100 g FW Apple - Cored - Golden Delicious no 9
0.76 mg/100 g FW Apple - Cored - Royal Gala no 7
1.01 mg/100 g FW Apple - Cored - Braeburn no 2
1.31 mg/100 g FW Apple - Cored - Fuji no 3
9.11 mg/100 g FW Apple - Cored - Renetta no 6