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Page: << Prev | 1 | 2 "H. pylori is a known carcinogen," Fahey said. "The fact that we were able to reduce the effects of an infectious agent that is also a carcinogen gives us hope that if someone were to eat broccoli sprouts or broccoli regularly, it would reduce levels of H. pylori and, over a period of many years, reduce the chance that they would get that cancer. It is not proven, but the results are highly suggestive."
Fahey is a co-founder of a company licensed by Hopkins to produce broccoli sprouts. He has no equity in the company.
Broccoli and sprouts are both important, said Dr. Steven H. Zeisel, director of the Nutrition Research Institute at the University of North Carolina.
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"Specifically, the sprouts before broccoli becomes a plant are rich in sulforaphane," Zeisel said. "It is formed only when broccoli or sprouts are macerated, chewed on. When you break the cell, the chemical is formed."
Sulforaphane then causes the liver to produce an enzyme that is important in deactivating cancer-causing agents, Zeisel said. "People who eat more broccoli tune up their liver and other cells to destroy cancer-causing agents," he said.
Garlic has the same effect, he said, and so "increasing the amount of plants in the diet -- broccoli is good, broccoli sprouts even better -- causes production of a valuable bioactive chemical."
That is good advice, Fahey said, but inevitably some people will try a shortcut, taking a sulforaphane pill rather than eating what's good for them.
"I have come to the resigned conclusion that we will not be able to persuade everybody to change their diet," Fahey said. "A pill would be better than nothing, but that doesn't mean that I'm advocating it or promoting massive pill-taking."
Just two or three ounces a day of cooked broccoli would have a protective effect, he said.
Zeisel added that people who try the pill-taking shortcut might well lose any benefit.
"It's probably a combination of ingredients in the plant that is responsible," he said. "When you try to extract them out to make a pill, it usually doesn't work."
More information
The U.S. National Cancer Institute has information on diet and cancer.
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