Calculated Mean Content Values
| Units |
Average |
Min |
Max |
Standard Deviation |
| mg/100 g FW |
6.52e-03 |
3.80e-03 |
9.00e-03 |
2.33e-03 |
| mol/100 g |
1.79e-08 |
1.04e-08 |
2.46e-08 |
6.38e-09 |
Values calculated by aggregating data from 5
different samples
from
2 unique
publications.
Aglycone Mean Content Values
| Aglycone |
Units |
Average |
Min |
Max |
Standard Deviation |
| Secoisolariciresinol |
mg/100 g FW |
6.52e-03 |
3.80e-03 |
9.00e-03 |
2.33e-03 |
| mol/100 g |
1.79e-08 |
1.04e-08 |
2.46e-08 |
6.38e-09 |
Original Content Values Used to Produce Means
Mazur, W.M.; Wahala, K.; Rasku, S.; Salakka, A.; Hase, T.; Adlercreutz, H. (1998) Lignan and isoflavonoid concentrations in tea and coffee. British Journal of Nutrition 79:37-45 PubMed (9505801)
| Original Content Value |
Original Food Description |
Commercial Origin |
# of Samples Analyzed |
|
0.02 mg/100 ml
|
Pure Lapsang Souchong tea |
no |
1 |
|
0.03 mg/100 ml
|
Earl Grey tea |
no |
1 |
|
0.02 mg/100 ml
|
Yellow label tea-bag |
no |
1 |
|
0.04 mg/100 ml
|
Prince of Wales tea-bag |
no |
1 |
|
0.02 mg/100 ml
|
Assam Fop |
no |
1 |
Thompson L.U., Boucher B.A., Liu Z., Cotterchio M., Kreiger N. (2006) Phytoestrogen content of foods consumed in Canada, including isoflavones, lignans, and coumestan. Nutrition and Cancer 54:184-201 PubMed (16898863)
| Original Content Value |
Original Food Description |
Commercial Origin |
# of Samples Analyzed |
|
3.80e-03 mg/100 g FW
|
Tea, black orange pekoe |
yes |
1 |
Kuhnle G.G.C., Dell'Aquila C., Aspinall S.M., Runswick S.A., Mulligan A.A., Bingham S.A. (2008) Phytoestrogen content of beverages, nuts, seeds, and oils. Journal of Agricultural and Food Chemistry 56:7311-7315 PubMed (18671400)
| Original Content Value |
Original Food Description |
Commercial Origin |
# of Samples Analyzed |
|
9.00e-03 mg/100 g FW
|
Tea, strong (15 g/L), from tea leaves |
yes |
3 |
|
6.00e-03 mg/100 g FW
|
Tea, weak (10 g/L), from tea leaves |
yes |
3 |
|
4.00e-03 mg/100 g FW
|
Tea, standard, from tea bags (4 bags/L) |
yes |
3 |
|
8.00e-03 mg/100 g FW
|
Tea, decaffeinated, from tea bag |
yes |
3 |