Broccoli Blocks Skin Cancer

Veggie extract activates carcinogen-fighting abilities
By Lucas Laursen,  Newser Staff
Posted Oct 23, 2007 1:05 PM CDT
Broccoli Blocks Skin Cancer
   (Index Open)

Green may be the new white, at least in sun protection. A green smear of broccoli extract  prevents cancer-causing damage from ultraviolet light—not by blocking the rays, but by activating  the skin’s natural cancer-fighting abilities, a new study finds. One advantage: Unlike conventional sunscreen, broccoli doesn't  keep the sun’s rays from creating vitamin D in the skin. Another: The effect lasts even after the extract is washed off.

Sulforaphane, a compound found in broccoli—especially 3-day-old broccoli sprouts—activates “Phase 2” enzymes in human skin cells, the Washington Post reports. Those enzymes neutralize DNA-damaging molecules stimulated by sunlight and temper the inflammatory reaction that can turn precancerous cells into tumors. The product is still in an early stage; one thing scientists would like to figure out is how to remove the green pigment. (Read more cancer research stories.)

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