Calculated Mean Content Values

Units Average Min Max Standard Deviation
mg/100 ml 0.83 1.00e-02 1.50 0.61
mol/100 ml 2.90e-06 3.49e-08 5.24e-06 2.15e-06

Values calculated by aggregating data from 4 different samples from 3 unique publications.

Aglycone Mean Content Values

Aglycone Units Average Min Max Standard Deviation
Kaempferol mg/100 ml 0.83 1.00e-02 1.50 0.61
mol/100 ml 2.90e-06 3.49e-08 5.24e-06 2.15e-06

Original Content Values Used to Produce Means

Mattila, P.;Astola, J.;Kumpulainen, J. (2000) Determination of flavonoids in plant material by HPLC with diode-array and electro-array detections. Journal of Agricultural and Food Chemistry 48:5834-41. PubMed (11312761)
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
0.01 mg/100 ml Green tea infusion - Supermarkets yes 1
Wang, H.; Helliwell, K. (2001) Determination of flavonols in green and black tea leaves and green tea infusions by high-performance liquid chromatography. Food Research International 34:223-227
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
0.90 mg/100 ml Gunpowder green tea - First infusion no 1
Hertog M.G.L., Hollman P.C.H., van de Putte B. (1993) Content of potentially anticarcenogenic flavonoids of tea infusions, wines, and fruit juices. Journal of Agricultural and Food Chemistry 41:1242-1246
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
1.50 mg/100 ml Green tea infusion Sencha no 1
0.91 mg/100 ml Green tea infusion Gunpowder no 1