Calculated Mean Content Values

Units Average Min Max Standard Deviation
mg/100 g FW 0.05 0.00 0.10 0.05
mol/100 g 1.71e-07 0.00 3.67e-07 1.85e-07

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

Aglycone Mean Content Values

Aglycone Units Average Min Max Standard Deviation
Hydroquinone mg/100 g FW 0.02 0.00 0.04 0.02
mol/100 g 6.93e-08 0.00 1.49e-07 7.48e-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
0.10 mg/100 g FW Pear fruit extract - Alexander Lucas no 1
0.00 mg/100 g FW Pear fruit extract - Anjou no 1
0.04 mg/100 g FW Pear fruit extract - Williams no 1