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An international team of scientists has shown for the first time that spermidine, a molecule of natural origin known for its life-prolonging effect in cell and animal cultures, also has an anti-aging effect in humans. 39; man. 19659002] According to the findings of his study, which followed the 829-person diet from 1995 to 2015, those who have a diet rich in spermidine will be able to prolong their healthy lives up to five years.
"The amount of spermidine produced by our body is disintegrating as we get older, especially if we do not follow a proper diet," said Efe Stefan Kiechl, head of research and a doctor of neurology at the university. University of Innsbruck.
The substance naturally present in living organisms, is particularly present in humans in sperm, in intestinal bacteria and in certain cells.
Some foods rich in this molecule These are cabbages, peas, cereals, apples, lettuce, mushrooms, dried fruits, potatoes or salted cheese.
For about 40 years, the human body has reduced its natural production
"The recommendations are always the same: eat lots of vegetables, fruits, nuts and whole foods, which contain high doses of the molecule," added Kiechl
. Spermidine therapy is mainly due to its ability to stimulate autophagy, a process of self-cleaning cells whereby defective or no longer needed components are broken down and recycled
. Spermidine tells the cell to start the process of self-cleaning and thus protects against deposits and premature aging, "said the scientists in the statement explaining their discovery.
The research is part of the program. a larger study, the K project of the Center for Excellence in Vascular Aging Research (VASCage) of the Medical University of Innsbruck, which aims to determine to what extent the food components can influence the Specifically, as stated in the statement published by the institution, the study showed that people who absorbed a minimum of 80 micromoles of spermedin a day showed a significantly lower risk of dying in the period observation, 20 years
In addition to the well-known effects of spermidine in age-related processes, "we can now confirm, for the first time, its r as an independent factor influencing the lifespan of beings "
The results of the study, conducted in collaboration with researchers from Graz (Austria), London and Paris, it has just been published in the American Journal of Clinical Nutrition (AJCN).
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