Table 1

Isoflavone content of some common foods

μg/kg wet weight (Da + Gen)

Peas, fresh, cooked

nd

Asparagus, cooked

nd

Carrots, old, cooked

nd

Cucumber, with skin

2.9

Potatoes, old, cooked

7.4

Potatoes, new, cooked

37.5

Red kidney beans, cooked

222.7

Chickpeas, dried, cooked

241.4

French beans, cooked

350.3

Beansprouts, mung, raw

5736

Soy cheese

34,000

Soymilk

44,000

Tofu yogurt

151,000

Soy hot dog, tempeh burger

188,000

Tofu

242,000

Soybeans, dried, cooked

469,000

Miso

1,265,000

Data from Liggins et al. [24], and Reinli and Block [25]. Da, Daidzein; Gen, Genistein; nd, not detected.

Atkinson and Bingham Breast Cancer Res 2002 4:1   doi:10.1186/bcr410