Calculated Mean Content Values

Units Average Min Max Standard Deviation
mg/100 g FW 23.18 6.50 34.60 10.80
mol/100 g 5.36e-05 1.50e-05 8.00e-05 2.50e-05

Values calculated by aggregating data from 5 different samples from 4 unique publications.

Aglycone Mean Content Values

Aglycone Units Average Min Max Standard Deviation
Genistein mg/100 g FW 14.49 4.06 21.63 6.75
mol/100 g 3.35e-05 9.40e-06 5.00e-05 1.56e-05

Original Content Values Used to Produce Means

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
34.60 mg/100 g FW Tempeh 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
6.50 mg/100 g FW Tempeh yes 1
Murphy P.A., Song T.T., Buseman G., Barua K., Beecher G.R., Trainer D., Holden J. (1999) Isoflavones in retail and institutional soy foods. Journal of Agricultural and Food Chemistry 47:2697-704 PubMed (10552547)
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
20.60 mg/100 g FW Tempeh A, 5-cite composite yes 1
Nguyenle T., Wang E., Cheung A.P. (1995) An investigation on the extraction and concentration of isoflavones in soy-based products. Journal of Pharmaceutical and Biomedical Analysis 14:221-32 PubMed (12607743)
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
23.90 mg/100 g FW Tempeh yes 1
30.30 mg/100 g FW Tempeh yes 1