Calculated Mean Content Values
| Units |
Average |
Min |
Max |
Standard Deviation |
| mg/100 g FW |
4.30e-05 |
0.00 |
7.00e-04 |
2.80e-04 |
| mol/100 g |
1.20e-10 |
0.00 |
1.95e-09 |
7.82e-10 |
Values calculated by aggregating data from 6
different samples
from
4 unique
publications.
Aglycone Mean Content Values
| Aglycone |
Units |
Average |
Min |
Max |
Standard Deviation |
| Matairesinol |
mg/100 g FW |
4.30e-05 |
0.00 |
7.00e-04 |
2.80e-04 |
| mol/100 g |
1.20e-10 |
0.00 |
1.95e-09 |
7.82e-10 |
Original Content Values Used to Produce Means
Milder I.E.J., Arts I.C.W., Van de Putte B., Venema D.P., Hollman P.C.H. (2005) Lignan contents of Dutch plant foods: a database including lariciresinol, pinoresinol, secoisolariciresinol and matairesinol. British Journal of Nutrition 93:393-402 PubMed (15877880)
| Original Content Value |
Original Food Description |
Commercial Origin |
# of Samples Analyzed |
|
0.00 mg/100 g FW
|
Pear (Pyrus communis L.) |
yes |
3 |
Kuhnle G.G.C., Dell'Aquila C., Aspinall S.M., Runswick S.A., Joosen A.M.C.P., Mulligan A.A., Bingham S.A. (2009) Phytoestrogen content of fruits and vegetables commonly consumed in the UK based on LC-MS and 13C-labelled standards. Food Chemistry 116:542-54
| Original Content Value |
Original Food Description |
Commercial Origin |
# of Samples Analyzed |
|
0.00 mg/100 g FW
|
Pear, Comice, with skin |
no |
5 |
|
0.00 mg/100 g FW
|
Pear, Conference, with skin |
no |
5 |
|
0.00 mg/100 g FW
|
Pear, Williams, with skin |
no |
5 |
Kuhnle G.G.C., Dell'Aquila C., Aspinall S.M., Low Y.-L., Kussmaul M., Bingham S.A. (2007) Extraction and quantification of phytoestrogens in foods using automated solid-phase extraction and LC/MS/MS. Analytical Chemistry 79:9234-9239 PubMed (17975893)
| Original Content Value |
Original Food Description |
Commercial Origin |
# of Samples Analyzed |
|
1.60e-04 mg/100 g FW
|
Pear (conference), with skin, raw |
no |
1 |
Valsta L.M., Kilkkinen A., Mazur W., Nurmi T., Lampi A.M., Ovaskainen M.L., Korhonen T., Adlercreutz H., Pietinen P. (2003) Phyto-oestrogen database of foods and average intake in Finland. British Journal of Nutrition 89:S31 PubMed (12725654)
| Original Content Value |
Original Food Description |
Commercial Origin |
# of Samples Analyzed |
|
7.00e-04 mg/100 g FW
|
Pear |
no |
1 |