Table II -.
Levels of isoflavones and lignans in various food sources. Values (in nanomoles per gram dry weight) were determined by isotope dilution gas chromatography mass spectrometry with selected ion monitoring. Mazur W, Adlercreutz H. 1998, modified.
| Plant species (Common name) | Genistein | Daidzein | Secoisolariciresinol | Metairesinol |
|---|---|---|---|---|
| Soybean | 993-3115 | 413-2205 | < 1-8 | < 1 |
| Kidney bean | < 1-19 | < 1-2 | 2-4 | < 1 |
| American groundnut | 4-30 | < 1 | < 1-2 | < 1 |
| Chicpea | 3-8 | < 1-8 | < 1 | 0 |
| Pea | < 1 | < 1 | < 1 | < 1 |
| Lentil | < 1 | < 1 | < 1 | < 1 |
| Kudzu root | 467 | 7283 | < 1 | < 1 |
| Flaxseed | 0 | 0 | 10-247 | 30 |
| Sunflower seed | < 1 | 6 | 2 | 17 |
| Peanut | 2 | 1 | 8 | < 1 |
| Wheat bran | < 1 | < 1 | 3 | 0 |
| Barley | < 1 | < 1 | 2 | 0 |
| Rye bran | 0 | 4 | 4 | 5 |
| Strawberry | 0 | 0 | 33 | < 1 |
| Cranberry | 0 | 0 | 29 | 0 |
| Bluberry | 0 | 0 | 23 | 0 |
| Rasberry | 0 | 0 | 4 | 0 |
| Red cabbage | < 1 | < 1 | 4 | < 1 |
| Broccoli | < 1 | < 1 | 11 | < 1 |
| Garlic | 0 | 0 | 11 | < 1 |
| Zucchini | 0 | 0 | 23 | < 1 |
| Carrot | 0 | 0 | 10 | < 1 |
| Breetroot | 0 | 0 | 3 | < 1 |
| Black tea | Trace | Trace | 73 | 12 |
| Green tea | Trace | Trace | 75 | 5 |