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Current Pharmaceutical Biotechnology


ISSN (Print): 1389-2010
ISSN (Online): 1873-4316

Selenium-Rich Foods: a Promising Approach to Colorectal Cancer Prevention

Author(s): Ying Hu, Graeme H. McIntosh and Graeme P. Young

Volume 13, Issue 1, 2012

Page: [165 - 172] Pages: 8

DOI: 10.2174/138920112798868809

Price: $65


Selenium (Se), an essential trace element, has also been identified as an anticarcinogenic agent, with supporting evidence from epidemiological studies, clinical intervention trials, preclinical intervention studies (animal cancer models) and cell culture studies. Natural organic and inorganic sources of Se as well as synthetic organoselenium compounds have been shown to be effective; safety and efficacy factors favour the organic forms. Intakes that are several fold that purported to meet nutritional requirements (adult recommend dietary allowance - 55 μg Se/day) are associated with reductions in cancer risk, but are not currently met by most diets, unless Se-rich foods are included. Further clinical studies and development of tools for speciating Se in foods will enable progress to be made in determining desirable Se forms and foods with respect to providing safe and effective ways of reducing cancer risk.

Keywords: Chemoprevention, colorectal cancer, health benefit, selenium, selenium-rich foods, anticarcinogenic agent, synthetic organoselenium compounds, efficacy factors, selenoproteins, Se-rich soil, organoselenium compounds

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