Calculated Mean Content Values

Units Average Min Max Standard Deviation
mg/100 g FW 25.83 10.30 77.50 28.30
mol/100 g 5.97e-05 2.38e-05 1.79e-04 6.54e-05

Values calculated by aggregating data from 11 different samples from 5 unique publications.

Aglycone Mean Content Values

Aglycone Units Average Min Max Standard Deviation
Genistein mg/100 g FW 16.14 6.44 48.44 17.69
mol/100 g 3.73e-05 1.49e-05 1.12e-04 4.09e-05

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
46.44 mg/100 g FW Soy powder yes 1
Rostagno M.A., Palma M., Barroso C.G. (2007) Fast analysis of soy isoflavones by high-performance liquid chromatography with monolithic columns. Analytica Chimica Acta 582:243-49 PubMed (17386499)
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
35.19 mg/100 g FW Powdered soy milk 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
77.50 mg/100 g FW Instant beverage A yes 1
71.80 mg/100 g FW Instant beverage B yes 1
67.40 mg/100 g FW Instant beverage C yes 1
74.50 mg/100 g FW Instant beverage D yes 1
Chan S.G., Murphy P.A., Ho S.C., Kreiger N., Darlington G., So E.K.F., Chong P.Y.Y. (2009) Isoflavonoid Content of Hong Kong Soy Foods. Journal of Agricultural and Food Chemistry 57:5386-90 PubMed (19530716)
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
10.30 mg/100 g FW Soy milk powder yes 11
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
13.60 mg/100 g FW Soy milk-Isomil lyophilate yes 1
16.50 mg/100 g FW Soy milk-Isomil lyophilate yes 1
12.90 mg/100 g FW Soy milk-Prosobee lyophilate yes 1
13.20 mg/100 g FW Soy milk-Prosobee lyophilate yes 1