Research Study Says Soy Protein Consumption Can Reduce the Risk of Breast Cancer in Women

ST. LOUIS, Apr 12, 2005 (BUSINESS WIRE) -- Regular consumption of soy protein-containing foods and beverages may reduce the risk of breast cancer in women by as much as 22 percent, according to a study published in this month's edition of The International Journal of Cancer Prevention.

Authored by Lin Yan, Ph.D., director of cancer research for The Solae Company, and Edward Spitznagel, Ph.D., professor of mathematics at Washington University, the recently released study is a meta-analysis (a combined analysis of all available studies) of the 12 epidemiological studies published to date that relate to soy consumption and breast cancer in women.

The meta-analysis, which includes studies conducted with soy-consuming populations around the world, showed not only a reduction in breast cancer risk in both premenopausal and postmenopausal women, but also demonstrated that adolescent soy intake may be related to a lower risk of developing breast cancer later in life.

This recently-published meta-analysis supports the body of scientific evidence contained in the petition The Solae Company filed with the Food and Drug Administration for a Qualified Health Claim linking the consumption of soy protein-containing foods and beverages to a reduced risk of certain types of cancer including breast, prostate and colon cancer. The FDA is expected to announce a decision on the petition in late spring.

"Given the chilling fact that breast cancer is the second leading cause of cancer-related death for American women, we believe that this meta-analysis provides valuable information for women in making healthy dietary choices," Dr. Yan said.

The American Cancer Society estimated that in 2004 there would be more than 210,000 new cases of breast cancer and approximately 40,000 deaths from breast cancer in the United States.

About The Solae Company

Headquartered in St. Louis, Missouri, The Solae Company is a global innovator in technology development and the research and application of soy protein. It serves food and beverage manufacturers, dietary supplement developers, retailers and consumers in 80 countries worldwide including the United States and Canada, Europe and the Middle East, Latin America and the Asia/Pacific region. The company was formed through an alliance between Bunge Limited (BG) and DuPont (DD). For more than 30 years, The Solae Company has invested in fundamental research to understand the health benefits of soy protein in order to provide better ingredients for better living. Researchers at more than 180 leading universities and research institutions have used soy protein products produced by The Solae Company in hundreds of completed and ongoing soy studies. For more about the health benefits of soy protein, including additional research and resources, please visit

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