Calculated Mean Content Values

Units Average Min Max Standard Deviation
mg/100 ml 0.13 0.06 0.16 0.03
mol/100 ml 3.97e-07 1.77e-07 4.73e-07 9.93e-08

Values calculated by aggregating data from 7 different samples from 1 unique publication.

Aglycone Mean Content Values

Aglycone Units Average Min Max Standard Deviation
p-Coumaric acid mg/100 ml 0.07 0.03 0.08 0.02
mol/100 ml 1.93e-07 8.61e-08 2.29e-07 4.82e-08

Original Content Values Used to Produce Means

Rechner, A.R.; Wagner, E.; Buren van, L.; Put van de, F.; Wiseman, S.; Rice-Evans, C.A. (2002) Black tea represents a major source of dietary phenolics among regular tea drinkers. Free radical research 36:1127-1135
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
0.14 mg/100 ml Black tea infusion brand 5 no 3
0.14 mg/100 ml Black tea infusion brand 6 no 3
0.14 mg/100 ml Black tea infusion brand 1 no 3
0.15 mg/100 ml Black tea infusion brand 7 no 3
0.06 mg/100 ml Black tea infusion brand 2 no 3
0.16 mg/100 ml Black tea infusion brand 3 no 3
0.15 mg/100 ml Black tea infusion brand 4 no 3