Calculated Mean Content Values

Units Average Min Max Standard Deviation
mg/100 g FW 70.36 32.74 125.00 29.54
mol/100 g 2.42e-04 1.13e-04 4.31e-04 1.02e-04

Values calculated by aggregating data from 16 different samples from 3 unique publications.

Aglycone Mean Content Values

Aglycone Units Average Min Max Standard Deviation
(-)-Epicatechin mg/100 g FW 70.36 32.74 125.00 29.54
mol/100 g 2.42e-04 1.13e-04 4.31e-04 1.02e-04

Original Content Values Used to Produce Means

Arts, I.C.W. ; van de Putte, B.;Hollman, P.C.H. (2000) Catechin Contents of Foods Commonly Consumed in The Netherlands. 1. Fruits, Vegetables, Staple Foods, and Processed Foods. Journal of Agricultural and Food Chemistry 48:1746-1751 PubMed (10820089)
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
32.74 mg/100 g FW Chocolate, black - Albert Heijn yes 4
50.25 mg/100 g FW Chocolate, black - Verkade yes 4
Natsume M., Osakabe N., Yamagishi M., Takizawa T., Nakamura T., Miyatake H., Hatano T., Yoshida T. (2000) Analyses of polyphenols in cacao liquor, cocoa, and chocolate by normal-phase and reversed-phase HPLC. Bioscience, Biotechnology and Biochemistry 64:2581-2587 PubMed (11210120)
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
67.00 mg/100 g FW Ecuador yes 1
72.00 mg/100 g FW Venezuela yes 1
122.00 mg/100 g FW Ghana yes 1
50.00 mg/100 g FW Colombia yes 1
124.00 mg/100 g FW Ivory Coast yes 1
85.00 mg/100 g FW Brazil yes 1
Gu L., House S.E., Wu X., Ou B., Prior R.L. (2006) Procyanidin and catechin contents and antioxidant capacity of cocoa and chocolate products. Journal of Agricultural and Food Chemistry 54:4057-4061 PubMed (16719535)
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
52.00 mg/100 g FW Dark chocolate 1 yes 1
64.00 mg/100 g FW Dark chocolate 2 yes 1
75.00 mg/100 g FW Dark chocolate 3 yes 1
106.00 mg/100 g FW Dark chocolate 4 yes 1
125.00 mg/100 g FW Dark chocolate 5 yes 1
66.00 mg/100 g FW Baking chips 1 yes 1
101.00 mg/100 g FW Baking chips 2 yes 1
107.00 mg/100 g FW Baking chips 3 yes 1