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An international team of scientists has successfully demonstrated for the first time that spermidine, a naturally occurring polyamine molecule known for its life-prolonging effect on cell and animal cultures, has an anti-aging effect.
According to the findings of his study, which followed the diet of 829 individuals 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 decreases as we age especially if we do not follow a proper diet," said Stefan Kiechl, a researcher and doctor of neurology at the University of Toronto. University of Innsbruck. 19659004] The substance, found naturally in living organisms, is particularly present in humans in sperm, intestinal bacteria and in certain cells.
Some foods rich in this molecule are cabbages, peas, cereals, apples, lettuce, mushrooms, dried fruits, potatoes or salty cheese.
— Recommendations —
From about 40 years, the human body reduced its natural production, so must be strengthened its presence in food ].
"The recommendations are the same as always: eats a lot of vegetables, fruits, nuts and whole foods that contain high doses of the molecule," adds Kiechl.
The University Austrian mentioned above points out that the anti-aging effect of spermidine is mainly due to its ability to stimulate autophagy a process of self-cleaning cells where their defective or no longer needed components are broken down and recycled.
"The increase of ingestion of spermidine tells the cell to start the process of a utolimpieza and thus protects against deposits and premature aging", explain the scientists in a release explaining their discovery.
The research is part of a larger study, Project K Center of Excellence Research on Vascular Aging (VASC) Age) of the Medical University of Innsbruck, which aims to determine to what extent the food components can influence the processes of inflammation and aging in humans.
More specifically, as stated in the statement published by In the Institution, the study showed that people who absorbed at least 80 micromoles of spermedin a day had a significantly lower risk of dying during the observation period of 20 years.
In addition to the well-known effects of spermidine in age processes, "we can now confirm, for the first time, its role as an independent factor in life also in humans," write -they.
The results of the study, conducted in collaboration with researchers from Graz (Austria), London and Paris, have just been published in the American Journal of Clinical Nutrition (AJCN).
Source: EFE
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