Table 1.
Commercial botanical supplement interventionsa
| Plant source brand (manufacturer) | Soy cotelydon Prevastein (Cognis) | Soy germ Soylife EXTRA (Acatris) | Red clover Rimostil (Novagen) | Kudzu Kudzu (Nature’s Plus) |
|---|---|---|---|---|
| No. capsules or tablets/d | 7 | 7 | 2 | 3 |
| Composition, mg (aglycones)/daily dose | ||||
| Daidzin | 55.37 | 49.42 | 0 | 21.60 |
| Glycitin | 0 | 70.35 | 0 | 0 |
| Genistin | 158.55 | 17.15 | 0 | 0.96 |
| Daidzein | 3.08 | 11.83 | 1.75 | 2.04 |
| Glycitein | 0 | 2.77 | 0.102 | 0.68 |
| Genistein | 2.67 | 1.23 | 0.562 | 0 |
| Puerarin | 0 | 0 | 0 | 143 |
| Formononetin | 0 | 0 | 31.10 | 0 |
| Biochanin A | 0 | 0 | 6.40 | 0 |
| Total | 220 | 153 | 40 | 168 |
Analysis was by HPLC done by Silliker, Inc. (Orem, UT). Internal HPLC analysis using higher solvent to product ratios showed total isoflavone intake of 699 mg/d for soy cotyledon, 435 mg/d for soy germ, 251 mg/d for red clover, and 674 mg/d for kudzu.
a
Mean of duplicate analysis of 10 capsules/tablets per intervention by the Association of Official Analytical Chemists method (7).