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TABLE 2 Estimated isoflavone contents of selected soy protein products1, 2

Description Daidzein Genistein Glycitein Total isoflavones

Soy flour, full-fat, roasted 99.27 98.75 16.40 198.95
Soybean flakes defatted 36.97 85.69 14.23 125.82
Soy protein concentrate, aqueous washed 43.04 55.59 5.16 102.07
Soy protein concentrate, produced by alcohol extraction 6.83 5.33 1.57 12.47
Soy protein isolate 33.59 59.62 9.47 97.43

1 Modified from Jackson and Gilani (5).

2 Values based on mg/100 g edible portion.





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