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If you pour yourself regularly a cup of coffee, you may have more than just a shot of caffeine.
According to a new study, this could protect you from the development of Alzheimer's disease and Parkinson's disease.
"Coffee consumption seems to be linked to a decrease in the risk of developing Alzheimer's disease and Parkinson's disease," said Dr. Donald Weaver, co-director of the Canadian Krembil Brain Institute, who directed the study. study.
"But we wanted to know why – what compounds are involved and how they can affect age-related cognitive decline."
The research team looked at three types of coffee: light roast, dark roast and dark decaffeinated roast.
They identified a group of compounds called "phenylindans" from the roasting process of coffee beans.
Phenylindans are able to prevent – or rather prevent – the agglutination of two protein fragments (beta-amyloid and tau) that are common in Alzheimer's disease and Parkinson's disease.
"This is the first time that we have been studying the interaction of phenylindans with the proteins responsible for Alzheimer's disease and Parkinson's disease," said Dr. Ross Mancini, a researcher in medicinal chemistry.
"The next step would be to determine how beneficial these compounds are and whether they have the ability to enter the bloodstream or cross the blood-brain barrier."
However, he admits that much more research is needed before benefits can be transferred into therapeutic options.
"What this study does is take the epidemiological evidence and try to refine it and demonstrate that there are actually components in the coffee that are beneficial to avoid cognitive decline," he said. he declares.
"It's interesting, but do we suggest that coffee is a cure? Absolutely not. & # 39;
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