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Alzheimer's Fighting Antioxidant in Apples

Earlier this month, I posted an article touting the cancer-fighting properties found in apples, particularly those in the skin. A new study has identified quercetin, a potent antioxidant abundant in apples and some other fruits and vegetables, appears to protect brain cells against oxidative stress, a tissue-damaging process associated with Alzheimer's and other neurodegenerative disorders.

In fact, fresh apples have some of the highest levels of quercetin, based on serving size, compared to other fruits and vegetables and may be among the best food choices for fighting Alzheimer's, researchers said.

Although quercetin is relatively stable during cooking, fresh apples are better sources of quercetin than cooked or processed products, scientists said, because the compound is mainly concentrated in the skin of apples rather than the flesh.

Consuming products like apple juice and apple sauce don't help much either because they don't contain significant amounts of skin. Generally, red apples tend to have more quercetin than green or yellow ones, but any fresh apple ia a good source of quercetin.

EurekAlert November 16, 2004

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