A recent experiment with fruit flies demonstrated that flies who ate apple polyphenols lived 10% longer. Resveratrol given to fruit flies extended their life spans by 30%. Resveratrol is found in the skin of grapes, it is produced as a response to some external stress, like an insect attack or bad weather. Happy grapes do not produce much of it, you need pissed off, angry, sour grapes, gathered after a mean storm. Same is found to be true of apples: red sweet apples are useless, you must eat nasty sour ones to get the anti-aging effect...
Fresh grape skin contains about 50 to 100 micrograms of resveratrol per gram. This info didn't specify if it was skin from happy grapes or stressed grapes. Red wine contains from 1.5 to 3 milligrams per liter. To show significant benefits mice took 22 mg of resveratrol per kilogram of weight or 2.2 lbs, which would mean that an average person would probably need to take about 1500 mg of resveratrol. Scientists aren't sure at the present just exactly how much resveratrol we need to take. Supplements of 20 mg and 100 mg are available. Probably take a 100 mg one.
Russians did a study on apples in 2005 and came up with a confident statement that people can easily increase their life spans by 20 to 30 years by eating green sour apples! They increased life spans of mice in the experiment by a whopping 56%!
This sensational statement was made by the head of a group of eco-population analysis at the Institute of biochemical physics of the Russian Academy of Sciences Valery Mamaev. He said that you'd have to eat 5 sour green apples a day, and not those sweet red ones!
Japanese researchers agree with these findings and say that they use only immature, super sour apples to make the polyphenol extract. Apparently eating apples from the store isn't of much use, since they are too ripe and have been sitting around too long. Apples that are sweet do not have any polyphenol in them at all, since it is very unstable and binds to sugar, rendering it completely useless and un-absorbable. The study with fruit flies used polyphenol extract, not actual apples, by the way.
Here is a great source of anti-aging supplements, resveratrol and polyphenol extract and information:
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