Calculated Mean Content Values

Units Average Min Max Standard Deviation
mg/100 g FW 0.02 2.30e-03 0.02 8.21e-03
mol/100 g 4.21e-08 6.29e-09 5.47e-08 2.25e-08

Values calculated by aggregating data from 5 different samples from 5 unique publications.

Aglycone Mean Content Values

Aglycone Units Average Min Max Standard Deviation
Secoisolariciresinol mg/100 g FW 0.02 2.30e-03 0.02 8.21e-03
mol/100 g 4.21e-08 6.29e-09 5.47e-08 2.25e-08

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
9.00e-03 mg/100 g FW Grapefruit, pink (Citrus paradisi Macfad.) 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
0.02 mg/100 g FW Grapefruit, peel and pips removed no 5
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
2.30e-03 mg/100 g FW Grapefruit, star ruby red variety yes 1
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
0.02 mg/100 g FW Grapefruit, 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
0.02 mg/100 g FW Grapefruit no 1