Calculated Mean Content Values

Units Average Min Max Standard Deviation
mg/100 g FW 0.04 0.00 1.13 0.37
mol/100 g 9.64e-08 0.00 2.43e-06 7.88e-07

Values calculated by aggregating data from 15 different samples from 3 unique publications.

Aglycone Mean Content Values

Aglycone Units Average Min Max Standard Deviation
Quercetin mg/100 g FW 0.03 0.00 0.74 0.24
mol/100 g 6.27e-08 0.00 1.58e-06 5.13e-07

Original Content Values Used to Produce Means

Burda, S.;Oleszek, W.;Lee, C.Y. (1990) Phenolic compounds and their changes in apples during maturation and cold storage. Journal of Agricultural and Food Chemistry 38:945-948
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
0.00 mg/100 g FW Apple - Golden Delicious - Flesh no 1
0.00 mg/100 g FW Apple - Empire - Flesh no 1
0.00 mg/100 g FW Apple - Rhode Island Greening - Flesh no 1
Price,K. R.; Prosserb, T.; Richetina, A. M. F. (1999) A comparison of the flavonol content and composition in dessert, cooking and cider-making apples; distribution within the fruit and effect of juicing. Food Chemistry 66:489-494
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
0.64 mg/100 g FW Eating apple - Granny Smith no 1
0.66 mg/100 g FW Eating apple - Jonagored no 1
1.13 mg/100 g FW Cooking apple - Bramley no 1
0.50 mg/100 g FW Eating apple - Egremont no 1
0.56 mg/100 g FW Eating apple - Cox's Orange no 1
Tsao R., Yang R., Young J.C., Honghui Z. (2003) Polyphenolic profiles in eight apple cultivars using high-performance liquid chromatography (HPLC). Journal of Agricultural and Food Chemistry 51:6347-6353 PubMed (14518966)
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
0.00 mg/100 g FW Apple flesh - Mutsu no 10
0.00 mg/100 g FW Apple flesh - Red Delicious no 10
0.00 mg/100 g FW Apple flesh - Northern Spy no 10
0.00 mg/100 g FW Apple flesh - Golden Delicious no 10
0.00 mg/100 g FW Apple flesh - Ida Red no 10
0.00 mg/100 g FW Apple flesh - Empire no 10
0.00 mg/100 g FW Apple flesh - Cortland no 10