Estrogen in Soy

Science News Volume 155, Number 20 (May 15, 1999)

References & Sources

The ignored estrogen in soy

Of the three estrogen-mimicking compounds in soy, glycitein occurs in the smallest quantities, but it appears the most potent and readily absorbed.

References:

Song, T.T., S. Hendrich, and P.A. Murphy. 1999. Estrogenic activity of glycitein, a soy isoflavone. Journal of Agricultural and Food Chemistry 47(April):1607.

Zhang, Y. . . . P.A. Murphy, et al. 1999. Urinary disposition of the soybeanisoflavones daidzein, genistein and glycitein differs among humans with moderate fecal isoflavone degradation activity. Journal of Nutrition 129(May):957.

Further Readings:

Helmuth, L. 1999. Nutritionists debate soy's health benefits. Science News155(April 24):262.

Raloff, J. 1999. Soy compounds help preserve bone. Science News 155(Jan.2):15.

______. 1998. Soya-nara, heart disease. Science News 155(May 30):348.

______. 1997. Plant estrogens may ward off breast cancer. Science News 152(Oct. 11):230.

______. 1997. Radical prostates. Science News 151(Feb. 22):126.

______. 1995. Eating soy to lower cholesterol. Science News 148(Aug. 19):127.

Sources:

Patricia A. Murphy

Iowa State University, Food Science and Human Nutrition

2312 Food Sciences Building

Ames, IA 50011

From Science News, Vol. 155, No. 20, May 15, 1999, p. 319. Copyright 1999, Science Service.