We’re wrapping up our theme of protecting your skin from the inside out. Here are two additional promising groups of cancer preventive antioxidant agents derived from plants –polyphenols and isoflavones– have also shown favorable results preventing and in some cases, reversing cell damage caused by sun burns.
Genistein
Soy is a rich source of flavonoids called isoflavones, the most plentiful of which is Genistein –a powerful antioxidant. It’s been found to provide protection from oxidative damage induced by UV radiation. When administered topically it inhibited skin tumor development by 60-75% in hairless mice.
Tea Polyphenols
Tea is a significant source of ROS-scavenging polyphenols, which make up 30-35% of the leaf’s dry weight. Tea polyphenols have been widely studied in animals for their anti-carcinogenic potential. Researchers in both Turkey and the U.S. found that oral or topical administration of polyphenols found in green tea may prevent UV-induced skin tumor development.
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