Phytoestrogens: Naturally Occurring, Hormonally Active Compounds in Our Diet
Bibliographic record
Abstract
Phytoestrogens are plant-derived compounds that can induce estrogenic effects in mammals. This chapter reviews the role of phytoestrogens, in particular the isoflavones from red clover and soy, as well as the prenylated flavonoids from hops, on human health. Red clover isoflavones are used as natural “safe” alternatives to hormone replacement therapy to help reduce menopausal symptoms and associated disease, such as osteoporosis. We review the current knowledge on the biological effects of various red clover isoflavones in vitro and in vivo, as well as the results from clinical trials. Soy is also a rich source of isoflavones, which is used in many food products, of particular focus in this chapter in infant formulas. We review the current knowledge on the biological effects induced by soy isoflavones in various rodent studies, and discuss the significance of such findings for human infant consumption. This chapter also highlights a more unique class of phytoestrogen, the prenylflavonoids, reviewing the in vitro and in vivo evidence for their estrogenic effects.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.001 | 0.001 |
| Scholarly communication | 0.001 | 0.002 |
| Open science | 0.000 | 0.001 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.025 | 0.019 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".