Calculated Mean Content Values
| Units |
Average |
Min |
Max |
Standard Deviation |
| mg/100 ml |
0.35 |
0.12 |
0.50 |
0.14 |
| mol/100 ml |
7.73e-07 |
2.68e-07 |
1.12e-06 |
3.14e-07 |
Values calculated by aggregating data from 12
different samples
from
2 unique
publications.
Aglycone Mean Content Values
| Aglycone |
Units |
Average |
Min |
Max |
Standard Deviation |
| Kaempferol |
mg/100 ml |
0.22 |
0.08 |
0.32 |
0.09 |
| mol/100 ml |
4.94e-07 |
1.71e-07 |
7.12e-07 |
2.00e-07 |
Original Content Values Used to Produce Means
Price, K.R.; Rhodes, M.J.C.; Barnes, K.A. (1998) Flavonol glycoside content and composition of tea infusions made from commercially available teas and tea products. Journal of Agricultural and Food Chemistry 46:2517-2522
| Original Content Value |
Original Food Description |
Commercial Origin |
# of Samples Analyzed |
|
0.39 mg/100 ml
|
Black tea Darjeeling |
no |
1 |
|
0.21 mg/100 ml
|
Black tea blend 1 |
no |
1 |
|
0.37 mg/100 ml
|
Black tea blend 2 |
no |
1 |
|
0.48 mg/100 ml
|
Black tea blend 3 |
no |
1 |
|
0.29 mg/100 ml
|
Black tea blend 4 |
no |
1 |
|
0.50 mg/100 ml
|
Black tea blend 5 |
no |
1 |
|
0.21 mg/100 ml
|
Black tea Keemun |
no |
1 |
|
0.17 mg/100 ml
|
Black tea Lapsang souchong |
no |
1 |
|
0.43 mg/100 ml
|
Black tea Ceylon |
no |
1 |
|
0.12 mg/100 ml
|
Black tea Assam |
no |
1 |
|
0.50 mg/100 ml
|
Black tea Njuno |
no |
1 |
Stewart A.J., Mullen W., Crozier A. (2005) On-line high-performance liquid chromatography analysis of the antioxidant activity of phenolic compounds in green and black tea. Molecular Nutrition and Food Research 49:52-60 PubMed (15602765)
| Original Content Value |
Original Food Description |
Commercial Origin |
# of Samples Analyzed |
|
0.49 mg/100 ml
|
Black tea infusion |
no |
1 |