Calculated Mean Content Values
| Units |
Average |
Min |
Max |
Standard Deviation |
| mg/100 ml |
0.49 |
0.00 |
2.37 |
0.86 |
| mol/100 ml |
1.67e-06 |
0.00 |
8.16e-06 |
2.95e-06 |
Values calculated by aggregating data from 13
different samples
from
3 unique
publications.
Aglycone Mean Content Values
| Aglycone |
Units |
Average |
Min |
Max |
Standard Deviation |
| (+)-Catechin |
mg/100 ml |
0.49 |
0.00 |
2.37 |
0.86 |
| mol/100 ml |
1.67e-06 |
0.00 |
8.16e-06 |
2.95e-06 |
Original Content Values Used to Produce Means
Lin, J.K.;Lin, C.L.;Liang, Y.C.;Lin-Shiau, S.Y.;Juan, I.M. (1998) Survey of catechins, gallic acid, and methylxanthines in green, oolong, pu-erh and black teas. Journal of Agricultural and Food Chemistry 46:3635-3642
| Original Content Value |
Original Food Description |
Commercial Origin |
# of Samples Analyzed |
|
1.00e-03 mg/100 ml
|
Chinese oolong and paochong commercial tea - Fu-Chien (Shen-Chun) An-Hsi Tieh-Kuan-Yin |
no |
1 |
|
1.00e-03 mg/100 ml
|
Chinese oolong and paochong commercial tea - Fu-Chien Yu-San Tieh-Kuan-Yin |
no |
1 |
|
2.00e-03 mg/100 ml
|
Chinese oolong and paochong commercial tea - Fu-Chien Oolong |
no |
1 |
|
1.00e-03 mg/100 ml
|
Chinese oolong and paochong commercial tea - Fu-Chien Wun-Yi Oolong |
no |
1 |
|
1.00e-03 mg/100 ml
|
Chinese oolong and paochong commercial tea - Fu-Chien An-Chi Tieh Kuan-Yin |
no |
1 |
|
1.00e-03 mg/100 ml
|
Chinese oolong and paochong commercial tea - An-Hui Huang-Shan Mao-Feng |
no |
1 |
|
0.00 mg/100 ml
|
Chinese oolong and paochong commercial tea - Ping-Lin, Taipei, Paochong |
no |
1 |
|
0.00 mg/100 ml
|
Chinese oolong and paochong commercial tea - Ping-Lin, Taipei, Oolong |
no |
1 |
|
1.00e-03 mg/100 ml
|
Chinese oolong and paochong commercial tea - Fu-Chien An-Hsi Tieh-Kuan-Yin |
no |
1 |
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 |
|
0.66 mg/100 ml
|
Oolong tea infusion, Taiwan, Leaf |
no |
1 |
|
1.16 mg/100 ml
|
Oolong tea infusion, China, Leaf |
no |
1 |
Lin Y., Juan I., Chen Y., Liang Y., Lin J. (1996) Composition of polyphenols in fresh tea leaves and associations of their oxygen-radical-absorbing capacity with antiproliferative actions in fibroblast cells. Journal of Agricultural and Food Chemistry 44:1387-1394
| Original Content Value |
Original Food Description |
Commercial Origin |
# of Samples Analyzed |
|
2.12 mg/100 ml
|
Paochung tea infusion, TTE 12 |
no |
1 |
|
2.37 mg/100 ml
|
Paochung tea infusion, Wun-Yi |
no |
1 |