Calculated Mean Content Values
| Units |
Average |
Min |
Max |
Standard Deviation |
| mg/100 ml |
1.53 |
0.02 |
2.38 |
1.10 |
| mol/100 ml |
5.05e-06 |
6.62e-08 |
7.87e-06 |
3.63e-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 |
| Quercetin |
mg/100 ml |
1.53 |
0.02 |
2.38 |
1.10 |
| mol/100 ml |
5.05e-06 |
6.62e-08 |
7.87e-06 |
3.63e-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 |
|
0.02 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 |
|
2.38 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 |
|
2.30 mg/100 ml
|
Green tea infusion Sencha |
no |
1 |
|
1.40 mg/100 ml
|
Green tea infusion Gunpowder |
no |
1 |