Calculated Mean Content Values

Units Average Min Max Standard Deviation
mg/100 g FW 0.04 0.02 0.06 0.02
mol/100 g 7.10e-08 3.28e-08 9.83e-08 3.41e-08

Values calculated by aggregating data from 3 different samples from 1 unique publication.

Aglycone Mean Content Values

Aglycone Units Average Min Max Standard Deviation
Quercetin mg/100 g FW 0.02 9.90e-03 0.03 0.01
mol/100 g 3.51e-08 1.62e-08 4.87e-08 1.69e-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
0.05 mg/100 g FW Pear fruit extract - Alexander Lucas no 1
0.06 mg/100 g FW Pear fruit extract - Anjou no 1
0.02 mg/100 g FW Pear fruit extract - Williams no 1