Calculated Mean Content Values

Units Average Min Max Standard Deviation
mg/100 g FW 0.05 0.00 1.49 0.49
mol/100 g 1.05e-07 0.00 3.43e-06 1.13e-06

Values calculated by aggregating data from 22 different samples from 4 unique publications.

Aglycone Mean Content Values

Aglycone Units Average Min Max Standard Deviation
Quercetin mg/100 g FW 0.03 0.00 1.04 0.34
mol/100 g 7.28e-08 0.00 2.39e-06 7.84e-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
0.73 mg/100 g FW Eating apple - Granny Smith no 1
1.39 mg/100 g FW Eating apple - Jonagored no 1
1.20 mg/100 g FW Cooking apple - Bramley no 1
0.28 mg/100 g FW Eating apple - Egremont no 1
1.49 mg/100 g FW Eating apple - Cox's Orange no 1
McRae K.B., Lidster P.D., DeMarco A.C., Dick A.J. (1990) Comparison of the polyphenol profiles of apple fruit cultivars by correspondance analysis. Journal of the Science of Food and Agriculture 50:329-342
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
0.00 mg/100 g FW Apple cortex - Jerseymac no 4
0.00 mg/100 g FW Apple cortex - Gravenstein no 5
0.00 mg/100 g FW Apple cortex - Northern Spy no 5
0.00 mg/100 g FW Apple cortex - Golden Delicious no 5
0.00 mg/100 g FW Apple cortex - Spartan no 5
0.00 mg/100 g FW Apple cortex - Cortland no 5
0.00 mg/100 g FW Apple cortex - Red Delicious no 5
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