Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun Any of a group of nonsteroidal substances, including isoflavones, that occur in plants, increase plant immunity to disease, and act as estrogen agonists or antagonists in animals.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun biochemistry Any of a range of various compounds found in plants that function similarly to estrogens.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

phyto- +‎ estrogen

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Examples

  • It's full of minerals and it also contains something called phytoestrogen, which has been shown to lower your chances of getting a heart attack.

    CNN Transcript Nov 22, 2007 2007

  • It's full of minerals and it also contains something called phytoestrogen, which has been shown to lower your chances of getting a heart attack.

    CNN Transcript Apr 14, 2007 2007

  • It's full of minerals and it also contains something called phytoestrogen, which has been shown to lower your chances of getting a heart attack.

    CNN Transcript Apr 22, 2007 2007

  • It's full of minerals and it also contains something called phytoestrogen, which has been shown to lower your chances of getting a heart attack.

    CNN Transcript Apr 15, 2007 2007

  • It's full of minerals and it also contains something called phytoestrogen, which has been shown to lower your chances of getting a heart attack.

    CNN Transcript Apr 21, 2007 2007

  • Fennel is a powerful phytoestrogen, that is known to significantly increase levels of estrogen, particularly in women who have lower than normal levels to begin with.

    EzineArticles 2010

  • Scientists are not sure if it’s because the villagers eat a lot of yams (which contain a natural hormone called phytoestrogen that may stimulate the ovaries to produce more eggs) or whether it’s genetics (in which Yoruban women inherit the tendency to release more eggs).

    Chicken Soup for the Soul: Twins and More Jack Canfield 2009

  • Scientists are not sure if it’s because the villagers eat a lot of yams (which contain a natural hormone called phytoestrogen that may stimulate the ovaries to produce more eggs) or whether it’s genetics (in which Yoruban women inherit the tendency to release more eggs).

    Chicken Soup for the Soul: Twins and More Jack Canfield 2009

  • Lab research has suggested that soy proteins and soy isoflavones -- "phytoestrogen" compounds that are structurally similar to human estrogen -- may help control blood sugar levels.

    Medlogs - Recent stories 2010

  • But when they added genistein (a plant estrogen or "phytoestrogen" present in many dietary supplements) to the mix, the researchers observed a dose-dependent reduction in the effectiveness of the breast cancer drug.

    innovations-report 2008

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