Resveratrol may boost blood flow in the brain
(resveratrol produced a dose-dependent increase in cerebral blood flow)
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A single dose of 250 or 500 milligrams of resveratrol was found to boost blood flow in the brain but did not affect cognitive performance, according to new findings published in the American Journal of Clinical Nutrition. “The results of the current study provide the first indication in humans that resveratrol may be able to modulate cerebral blood flow variables,” wrote the researchers, led by David Kennedy from the Brain, Performance and Nutrition Research Centre at Northumbria University. “Thus, it seems reasonable to suggest that the potential effects of this molecule on brain function deserve a great deal more research attention with a clear focus on both healthy humans and pathologic groups,” they added.
Resveratrol, a powerful polyphenol and anti-fungal chemical, is often touted as the bioactive compound in grapes and red wine, and has particularly been associated with the so-called 'French Paradox'. The phrase, coined in 1992 by Dr Serge Renaud from Bordeaux University, describes the low incidence of heart disease and obesity among the French, despite their relatively high-fat diet and levels of wine consumption. Interest in the compound exploded in 2003 when research from David Sinclair and his team from Harvard reported that resveratrol was able to increase the lifespan of yeast cells. The research, published in Nature, was greeted with international media fanfare and ignited flames of hope for an anti-ageing pill. According to Sinclair’s findings, resveratrol could activate a gene called sirtuin1 (Sirt1 – the yeast equivalent was Sir2), which is also activated during calorie restriction in various species, including monkeys. Since then studies in nematode worms, fruit flies, fish, and mice have linked resveratrol to longer lives. Other studies with only resveratrol have reported anti-cancer effects, anti-inflammatory effects, cardiovascular benefits, anti-diabetes potential, energy endurance enhancement, and protection against Alzheimer’s. Bill Sardi, co-founder and president of Resveratrol Partners, says that: “Resveratrol has the biological effects of so many drugs wrapped up in one molecule.”. Read more: nutraingredients.com
Polish firm reformulating based on positive EFSA opinions
Poland’s Europharma Alliance said reformulation of its chewable products for children, which it will showcase at Vitafoods in Geneva, was informed by the positive opinions given to iron and iodine by the European Food Safety Authority. Read more: nutraingredients.com
progesterone 200 mg is used in the treatment of a specific type of cancer of the brain. It is used to treat brain tumors if they return or get worse after standard treatment. It enters the brain tissues and works by damaging the genetic material of the cancer cells. That stops their growth and multiplication.
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