Resveratrol supplement boosts brain power

Natural Health News – Resveratrol, an antioxidant compound found in the skin of red grapes , it has been found to improve short-term memory, according to a new study.

The new study included 46 men and women aged between 50 and 75, who took 200 mg per day of resveratrol or a placebo for 26 weeks.

data memory tests and neuroimaging performed before and after the study period indicated that those who took supplements of resveratrol had better short-term memory and more connections between brain areas involved in memory than those who took a placebo.

Resveratrol supplementation was also associated with decreased levels of a substance called glycosylated hemoglobin (HbA1c), which is a marker of long-term presence of excess glucose in the blood, compared to placebo. Therefore, scientists say, sugar metabolism may be related to brain connectivity and memory.

The study was published in Journal of Neuroscience .

Brain and other benefits

Resveratrol, a powerful polyphenol and often touted as the bioactive compound in grapes and wine red, and in particular has been associated with the so-called ‘French paradox’ – an explanation of why rates of heart disease are lower than the average in France, while diets are higher in fat than average.

Apart from grapes and red wine, resveratrol is also contained in black chocolate, peanuts and blueberries. The species of invasive weeds Japanese knotweed is also a rich source.

Other evidence suggests resveratrol supporting role in brain health.

A 2010 article published in the American Journal of Clinical Nutrition reported that a single dose of 250 or 500 milligrams of resveratrol can increase blood flow in the brain, but it did not affect cognitive performance. Animal studies also suggests benefits for the brain; Resveratrol has been shown to improves spatial memory in rodents and nonhuman primates.

Research November 2012 showed that red wine and red grapes have positive effects in reducing prostate cancer . Earlier this year an American study found that resveratrol can help balance glucose levels in overweight

Great for the skin too

However, the antioxidant is being increasingly used by companies care of the skin due to their anti-aging properties. Applied topically Resveratrol has been shown to be a more potent antioxidant than E and C.

Vitamins

In one study, the antioxidant strength of 1% resveratrol compared to the 1% idebenone, a powerful antioxidant pharmaceutical (and Co-Q10 synthetic version), the benefits of which include the protection of the skin from environmental damage, improving the appearance of fine lines and wrinkles, improve skin dryness and texture. Resveratrol has been shown to have a 17 times higher antioxidant capacity that idebenone.

Not all studies are positive, however. For example, in early 2014 a study of elderly Italians who were not in any particular diet, but for that wine consumption was the norm found living no more and were equally likely to develop cardiovascular disease or cancer. While diets of the participants may have contained more resveratrol than non-drinkers of wine was by no means definitive and does not reflect the benefits derived from supplementation.

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