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| Feed Your Brain With Blueberries |
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| 更多英语知识学习请访问:英语学习 |
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Blueberries are among the fruits with the highest antioxidant activity.聽 Researchers have shown that a serving of fresh blueberries provide more antioxidant activity than many other fresh fruits and vegetables.
Brain & nervous system
Neuroscientists have discovered that feeding blueberries to laboratory rats actually slowed age-related loss in their mental capacity, a finding that has important implications for humans.聽In one study, Jim Joseph, director of the neuroscience laboratory in the USDA Human Nutrition Research Center (HNRC), fed blueberry extractions鈥攖he equivalent of a human eating one cup of blueberries a day鈥攖o mice and then ran them through a series of motor skills tests.
He found that the blueberry-fed mice performed better than their control group counterparts in motor behavioral learning and memory, and he noticed an increase in exploratory behavior. When he examined their brains, he found a marked decrease in oxidative stress in two regions of the brain and better retention of signal-transmitting neurons compared with the group of mice not consuming the blueberries.
Currently, Jim Joseph is testing the effects of blueberries on humans. Preliminary results show that people who eat a cup of blueberries a day have performed 5鈥?% better on motor skills tests than the group not consuming the blueberries.
Anti-inflammatory
The compound that appears responsible for this neuron protection, anthocyanin, also gives blueberries their color and might be the key component of the blueberry鈥檚 antioxidant and anti-inflammatory properties.
Blueberries, along with other colorful fruits and vegetables, test high in their ability to subdue free radicals. These free radicals, which can damage cell membranes and DNA through a process known as oxidative stress, are blamed for many [1] [2] [3] 下一页 更多英语知识学习请访问:英语学习
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