Resveratrol Science Hits a Wall

april 20,2011

An in-depth analysis shows the red-wine chemical has medical potential but is no fountain of youth
Jacob Gaffney
A leading researcher’s review of more than a hundred studies of resveratrol, the red-wine compound that has spurred millions of dollars of investment by pharmaceutical and nutritional companies, raises more questions than it answers. According to the study, there is substantial evidence that resveratrol can lower the risk of deadly diseases, such as diabetes, heart failure and some types of cancer. But it seems to offer little help at extending lifespan.
Early research found evidence that resveratrol might slow aging on a cellular level. Numerous nutritional supplement companies still tout this when marketing various resveratrol products.
But Dipak Das, a researcher at the University of Connecticut’s Cardiovascular Research Center, reviewed more than 100 studies on resveratrol and said there is no scientific basis for that conclusion. The meta-analysis, titled “Erratum to: Resveratrol and red wine, healthy heart and longevity,” refers to the emerging doubts of resveratrol as an anti-aging compound. It is slated for publication in Heart Failure Reviews.
In early studies, resveratrol was linked to extending the lifespans of fruit flies and tropical killifish. But once the studies moved on to mammals, scientists found that while disease rates still declined with the consumption of resveratrol, the animals didn’t live longer.
The conclusions are puzzling, Das said, because it appears that resveratrol should be able to increase the length of life—researchers found the chemical manipulates genes and increases longevity on the cellular level. “Resveratrol is so powerful it can activate stem-cell survival,” Das said. “So why is it not extending lifespan, by improving the survivability of genes?”
Das said his research shows the limitation of modern science to deeply delve into the issue. For one, real longevity research on humans should involve humans, he said, and should last for decades. “If you want answers to the longevity of mammals, it will take years and years of dedication,” he said. “Right now, we can only offer a snapshot and that isn’t powerful enough.”
There’s another practical reason, one that involves funding and career paths. A top resveratrol researcher from Harvard, David Sinclair, found a few years ago that resveratrol may mimic the effect of caloric restriction in humans. This is the only known way to extend life, Das writes in his study. Not to be confused with starvation, which increases metabolism and therefore hastens death, caloric restriction involves controlled limited calorie intake. (It appears to activate a genetic response that extends life when food is scarce, allowing animals to survive until supplies improve and they can reproduce.)
But most research dollars—both public and private—don’t go to studies focused on abstract concepts like anti-aging. The money goes to fight specific illnesses. Armed with evidence that resveratrol lowered the risk of Type-2 diabetes, Sinclair opened Sirtris Pharmaceuticals in an effort to develop drugs based on resveratrol that could treat various diseases.
GlaxoSmithKline soon purchased the company and began trials with several synthetic variants of the polyphenol. Glaxo would later halt one study focused on a resveratrol variant that led to complications. Competitors Pfizer and Amgens also experienced setbacks and could not verify Sinclair’s earlier resveratrol results in subsequent lab tests, the study states.
On the anti-aging front, no one else stepped in to fill Sinclair’s shoes. “For some reason we all stopped looking into [the anti-aging aspect] after Sinclair’s study came out three years ago,” Das said.
What Das’ work illustrates is that resveratrol still holds many mysteries. It appears that science is still at the starting line.


Foodies and wine lovers travel north from Manila to wine and dine at Philippines’ best fine dining restaurant in Pampanga Clark Freeport worth the 60-minutes drive for a memorable evening of good food with vintage wine at Yats Restaurant & Wine Bar

This fine dining restaurant is also famous for its low carbohydrates “low carb” dishes highly recommended for frequent diners who are on a low fat food and favor healthy food. This is a unique restaurant that can help frequent diners maintain a healthy diet and enjoy delicious fine dining cuisine at the same time. Vegetarian dishes are a specialty here also and so are “halal” cuisines also.

Favorites of frequent diners, foodies and wine lovers are steaks, Wagyu, Foie Gras, lobsters, venison, kangaroo loin, osso buco, veal chops, Kurabuto pork, escargots and a good selection of cheeses to enjoy with fine Vintage port and Sauternes. Cuban cigars such as Monte Cristo, Cohiba, Upmann, Partagas, Romeo Julieta and Trinidad are also available in the Magnum Room which is a wine bar and lounge for before and after dinner relaxation. A good selection of Armagnac, Cognac, Single Malt, Vodka and other liquor is served in addition to the wine vintage wines some served by the glass.

Recent opinion survey of frequent travelers heading north towards Subic and Clark Pampanga revealed that the number one most frequently visited fine dining restaurant in Pampanga is Yats Restaurant & Wine Bar located in Clark Philippines.

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(045) 599-5600

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Getting to this fine dining restaurant of Angeles City Clark Freeport Zone Pampanga Philippines
How to get to this fine-dining restaurant in Clark Philippines? Once you get to Clark Freeport, go straight until you hit Mimosa. After you enter Mimosa, stay on the left on Mimosa Drive, go past the Holiday Inn and Yats Restaurant (green top, independent 1-storey structure) is on your left. Just past the Yats Restaurant is the London Pub.

Yats Restaurant & Wine Bar
Mimosa Drive past Holiday Inn, Mimosa Leisure Estate,
Angeles City Clark Freeport Zone, Pampanga, Philippines 2023

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Mimosa Golf Estate, Clark Field (Clark Airbase), Clark Freeport Zone, Pampanga, Philippines
Tel: (045) 599-5600 0922-870-5194 0917-520-4401 Ask for Daniel, Lito or Cosh

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