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 soybean isoflavones 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
News 155(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.
