(redirected from Photoestrogen)


Plant extracts that act in the body like weak estrogens.
Synonym(s): phyto-oestrogens.


Compounds found in plants that can mimic the effects of estrogen in the body.
Mentioned in: Premenstrual Syndrome

phytoestrogens, plant-derived estrogen analogs.


substances with activity as estrogens produced in plants. Includes isoflavones and coumestans. Most of these agents undergo major changes in the rumen, the agents becoming much more potent as a result of the change, e.g. formononetin, which has very little activity is converted to a potent estrogen.
References in periodicals archive ?
38p4) Photoestrogens and natural progesterone from plant phytosterols made available as creams, lozenges, capsules, oils, DHEA, melatonin or pregnenolone are suggested as aids in menopausal symptoms including menorrhagia.