Calculated Mean Content Values

Units Average Min Max Standard Deviation
mg/100 ml 5.56e-03 0.00 0.05 0.02
mol/100 ml 1.28e-08 0.00 1.15e-07 3.84e-08

Values calculated by aggregating data from 9 different samples from 3 unique publications.

Aglycone Mean Content Values

Aglycone Units Average Min Max Standard Deviation
Quercetin mg/100 ml 3.87e-03 0.00 0.03 0.01
mol/100 ml 8.90e-09 0.00 8.01e-08 2.67e-08

Original Content Values Used to Produce Means

Schieber, A.;Keller, P.;Carle, R. (2001) Determination of phenolic acids and flavonoids of apple and pear by high-performance liquid chromatography. Journal of Chromatography A 910:265-73 PubMed (11999391)
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
0.00 mg/100 ml Apple juice - Jonagold no 1
0.00 mg/100 ml Apple juice - Elstar no 1
Suarez-Valles B., Santamaria-Victorero J., Mangas-Alonso J.J., Blanco-Gomis D. (1994) High performance liquid chromatography of the neutral phenolic compounds of low molecular weight in apple juice. Journal of Agricultural and Food Chemistry 42:2732-2736
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
0.00 mg/100 ml Apple juice - Na Senora no 1
0.00 mg/100 ml Apple juice - San Pedro no 1
0.00 mg/100 ml Apple juice - San Juan no 1
Kahle K., Kraus M., Richling E. (2005) Polyphenol profiles of apple juices. Molecular Nutrition and Food Research 49:797-806 PubMed (23815505)
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
0.05 mg/100 ml Dessert apple - Juice - Granny Smith no 1
0.00 mg/100 ml Dessert apple - Juice - Golden Delicious no 1
0.00 mg/100 ml Dessert apple - Juice - Red Delicious no 1
0.00 mg/100 ml Dessert apple - Juice - Fuji no 1