Eating walnuts are thought to be the body of essential fatty acids omega-3, anti-oxidants, and phytosterols, substances that reduce the risk of breast cancer, according to a study presented at the Annual Meeting of the Association All 100 2009 for Cancer Research American.
Phytosterol (which is also called plant sterols) are a group of steroid alcohol, phytochemicals naturally found in plants.
Phytosterol is a white powder with a distinctive aroma that does not sting insoluble in water and soluble in alcohol. The substance has many benefits, such as a food additive to reduce levels of cholesterol, as well as in medicine and cosmetics.
Elaine Hardman, assistant professor of medicine at the "Marshall University School of Medicine", said, although studies conducted in laboratory animals and not humans, people should heed advice to eat more walnuts.
"Walnuts are better than cookies, fresh fruit, or potato chips when you need a snack," said Hardman.
Hardman and colleagues studied mice that were fed food that they expect the same with the human portion, two ounces of walnuts per day. A separate group of rats fed monitored.
Standard examination showed walnut consumption significantly lowers breast tumors events, the number of nodes of tumor and tumor size.
"This laboratory mice specifically have 100 percent tumor events in five months; walnut consumption was inhibited tumor development until at least three weeks," said Hardman.
Molecular analysis showed, increased consumption of omega-3 fatty acids contribute to a reduction in tumor events, but some other parts walnuts also contribute.
"With the intervention of food, you see many mechanisms when dealing with whole food," said Hardman. "It is clear that walnuts contribute to a healthy diet that can reduce breast cancer."
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