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 (jə-nĭs′tē-ĭn, -tēn′)
A phytoestrogen of the isoflavone class, C15H10O5, that is found in soybeans and soy products and is used as a dietary supplement.

[From Genista (tinctoria), species name of dyer's greenweed (from which the compound was first isolated) + -ein.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


an oestrogen that occurs naturally in soya beans and is believed to inhibit the growth of certain tumours
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
The results of mucosal morphometry are not in agreement with the findings of Komboh and Zhu (2014), who found no change in villi height and crypt depth of duodenum, jejunum and ileum of broilers on genistein containing diets.
Previous investigations have shown that genistein and its aglycone are the predominant isoflavones in soybean [10, 11].
However, in the ob/ob mouse jejunum, the pathways that likely contribute towards the intestinal dysfunction (i.e., slowed intestinal transit) remain unclear, and furthermore, no studies have assessed the contribution that dietary genistein may play to ameliorate such pathology.
were oleic and linoleic acids, isoflavonoids (genistein), carotenoids (zeaxanthin, thiamin, riboflavin, and niacin), and polysaccharides (galactan, cellulose, or hemicellulose).
Among them, genistein and mono (2-ethylhexyl) phthalate (MEHP) are two kinds of the most prevalent EDCs found in food and environment.
The effects of exogenous genistein (GNT) on flavonoid content and antioxidase activity in Ginkgo biloba leaves were investigated.
Another tomato produced the same amount of genistein - a soy bean compound - as 5lb of tofu.
Genistein is one of the two primary isoflavones which increases concentrations of TGF-beta that may inhibit the growth of cancer cells.
Other skin-protecting nutrients include: selenium (Brazil nuts), zinc (sesame and pumpkin seeds), green tea polyphenols, proanthocyanidins and resveratrol (grapes), Silymarin (artichokes), genistein (soy), and curcumin (turmeric).
Genistein, daidzein and glycitein are major isoflavones in soy products that comprise, respectively, 50, 40 and 10% of the total soybean isoflavone profile (7).
In an article published May 28, 2014, in the American Journal of Clinical Nutrition, researchers at Northwestern University report the outcome of experiments conducted by their group and others that shows a protective effect for the soy isoflavone genistein against prostate cancer cell detachment, invasion, and metastasis.