Calculated Mean Content Values

Units Average Min Max Standard Deviation
mg/100 ml 4.34 2.83 5.84 2.13
mol/100 ml 1.26e-05 8.22e-06 1.70e-05 6.18e-06

Values calculated by aggregating data from 2 different samples from 1 unique publication.

Aglycone Mean Content Values

Aglycone Units Average Min Max Standard Deviation
Gallic acid mg/100 ml 2.14 1.40 2.89 1.05
mol/100 ml 6.22e-06 4.06e-06 8.38e-06 3.05e-06

Original Content Values Used to Produce Means

Kuhr, S.; Engelhardt, U.H. (1991) Determination of flavanols, theogallin. Zeitschrift fuer Lebensmittel Untersuchung und Forschung 192:526-529 PubMed (8717094)
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
2.83 mg/100 ml Oolong tea infusion, Taiwan, Leaf no 1
5.84 mg/100 ml Oolong tea infusion, China, Leaf no 1