Calculated Mean Content Values
| Units |
Average |
Min |
Max |
Standard Deviation |
| mg/100 ml |
11.57 |
5.02 |
16.03 |
3.62 |
| mol/100 ml |
3.36e-05 |
1.46e-05 |
4.66e-05 |
1.05e-05 |
Values calculated by aggregating data from 12
different samples
from
2 unique
publications.
Aglycone Mean Content Values
| Aglycone |
Units |
Average |
Min |
Max |
Standard Deviation |
| Gallic acid |
mg/100 ml |
5.72 |
2.48 |
7.92 |
1.79 |
| mol/100 ml |
1.66e-05 |
7.21e-06 |
2.30e-05 |
5.20e-06 |
Original Content Values Used to Produce Means
Kuhr, S.; Engelhardt, U.H. (1991) Determination of flavanols, theogallin. Zeitschrift fuer Lebensmittel Untersuchung und Forschung 192:526-529 PubMed (8717094)
| Original Content Value |
Original Food Description |
Commercial Origin |
# of Samples Analyzed |
|
13.36 mg/100 ml
|
Black tea infusion, Darjeeling, Grounded |
no |
1 |
|
16.03 mg/100 ml
|
Black tea infusion, Darjeeling, Leaf |
no |
1 |
|
11.18 mg/100 ml
|
Black tea infusion, Sri Lanka, Grounded |
no |
1 |
|
7.51 mg/100 ml
|
Black tea infusion, Sri Lanka, Leaf |
no |
1 |
|
15.03 mg/100 ml
|
Black tea infusion, Kenya, Grounded |
no |
1 |
|
8.35 mg/100 ml
|
Black tea infusion, Soviet Union, Leaf |
no |
1 |
|
8.35 mg/100 ml
|
Black tea infusion, Anhui, Leaf |
no |
1 |
|
13.94 mg/100 ml
|
Black tea infusion, Java, Leaf |
no |
1 |
|
10.35 mg/100 ml
|
Black tea infusion, Assam, Grounded |
no |
1 |
|
15.19 mg/100 ml
|
Black tea infusion, Assam, Leaf |
no |
1 |
|
14.52 mg/100 ml
|
Black tea infusion, Sikkim, Leaf |
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 |
|
5.02 mg/100 ml
|
Black tea infusion |
no |
1 |