Calculated Mean Content Values

Units Average Min Max Standard Deviation
mg/100 ml 9.24 3.72 14.76 7.81
mol/100 ml 2.09e-05 8.41e-06 3.34e-05 1.76e-05

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

Aglycone Mean Content Values

Aglycone Units Average Min Max Standard Deviation
(-)-Epicatechin mg/100 ml 6.06 2.44 9.68 5.12
mol/100 ml 1.37e-05 5.52e-06 2.19e-05 1.16e-05
Gallic acid mg/100 ml 3.55 1.43 5.68 3.00
mol/100 ml 8.03e-06 3.23e-06 1.28e-05 6.79e-06

Original Content Values Used to Produce Means

Friedman M., Kim S.Y., Lee S.J., Han G.P., Han J.S., Lee K.R., Kozukue N. (2005) Distribution of catechins, theaflavins, caffeine, and theobromine in 77 teas consumed in the United States. Journal of Food Science 70:C550-C559
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
3.72 mg/100 ml Herbal teas - No 76 - Peppermint tea - Safeway, Inc. yes 1
14.76 mg/100 ml Herbal teas - No 77 - Peppermint herbal - The Stash Tea Co., Oregon yes 1