Calculated Mean Content Values

Units Average Min Max Standard Deviation
mg/100 g FW 4.89 1.16 6.90 2.55
mol/100 g 1.81e-05 4.29e-06 2.55e-05 9.42e-06

Values calculated by aggregating data from 4 different samples from 4 unique publications.

Aglycone Mean Content Values

Aglycone Units Average Min Max Standard Deviation
Genistein mg/100 g FW 4.89 1.16 6.90 2.55
mol/100 g 1.81e-05 4.29e-06 2.55e-05 9.42e-06

Original Content Values Used to Produce Means

Fukutake M., Takahashi M., Ishida K., Kawamura H., Sugimura T., Wakabayashi K. (1996) Quantification of genistein and genistin in soybeans and soybean products. Food and Chemical Toxicology 34:457-61 PubMed (24835762)
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
1.16 mg/100 g FW Soy nut yes 1
Song T.T., Barua K., Buseman G., Murphy P.A. (1998) Soy isoflavone analysis: quality control and a new internal standard. American Journal of Clinical Nutrition 68:1474S-1479 PubMed (9848519)
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
5.80 mg/100 g FW Roasted soybean yes 1
Wang H.J., Murphy P.A. (1994) Isoflavone Content in Commercial Soybean Foods. Journal of Agricultural and Food Chemistry 42:1666-73 PubMed (24498818)
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
6.90 mg/100 g FW Roast soybeans yes 1
Franke A.A., Hankin J.H., Yu M.C., Maskarinec G., Low S.H., Custer L.J. (1999) Isoflavone levels in soy foods consumed by multiethnic populations in Singapore and Hawaii. Journal of Agricultural and Food Chemistry 47:977-86 PubMed (10552401)
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
5.70 mg/100 g FW Soybean seeds roasted yes 1