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Coffee, the natural ally of brain health
Coffee is one of the favorite drinks of the Germans. He awakens energies, motivates and stimulates. What was previously unknown: coffee protects our brain against dementia such as Alzheimer's disease and Parkinson's disease. According to a Canadian research team in a recent study, the higher the degree of grain roasting, the more effective the protection function.
Contrary to previous badumptions, coffee consumption has more and more health benefits. Researchers at the Krembil Research Institute of Canada in Toronto recently discovered that coffee consumption reduces the risk of developing dementia such as Alzheimer's disease or Parkinson's disease. With regard to the protective effect, it seems that particular compounds occur during the roasting of coffee beans. The results of the study were recently published in the journal "Frontiers in Neuroscience".
A coffee better than its reputation
Is coffee healthy or harmful? Many studies have come up against this issue in recent years. In the past, coffee was considered rather unhealthy because it was supposed to have a desiccating effect that is now considered refuted. In fact, coffee is healthier than we think. It is both calming and stimulating and is believed to prevent type II diabetes and heart disease. The latest research also suggests that coffee can protect our brain from neurodegenerative diseases. However, high coffee consumption can also contribute to hyperacidity and thus promote stomach problems and reflux.
Roasting brings the protective effect
A Canadian science team has proven that the consumption of certain coffees can be beneficial for the health of the brain. But how does the popular hot drink support cognitive function? The researchers found the basis of the protective mechanisms not in caffeine, but in the compounds released during the roasting of coffee beans.
Same effect for decaffeinated coffee
A heavily roasted caffeinated coffee, as well as a strong decaffeinated roasted coffee as well as a slightly roasted caffeinated coffee were examined. The team found that heavily roasted varieties, regardless of caffeine, had a stronger protective effect. In subsequent tests, a number of compounds, called phenylindans, crystallized as responsible for the positive effect. These compounds form during roasting and give the coffee its typically bitter taste.
How do roast compounds protect our brains?
According to the researchers, roasted coffee compounds ensure that less toxic proteins can bind to the brain. These so-called tau and beta-amyloid proteins are deposited in plaque form in the brain and are thought to be responsible for neurodegenerative diseases such as Alzheimer's disease and Parkinson's disease.
The long roasting process is crucial
As the research team pointed out, a long period of roasting is responsible for the formation of protective roasting compounds. It does not matter whether the coffee is decaffeinated or not. The most powerful protective effect on the brain is therefore based on dark roast varieties.
Mother Nature is the best chemist
The Canadian team is excited about this discovery, especially since the protective effect stems from a completely natural process. This does not require any laboratory synthesis and makes the drug so easy to produce and widely available. "Mother Nature is a much better chemist than us," says Dr. Ross Mancini, one of the leading scientists in the study, in a press release about the findings of the study.
Is coffee a cure for dementia?
"The purpose of this study was to show that coffee actually contains useful components to combat cognitive decline," concludes Mancini. These processes are very interesting, but it is still too early to declare coffee as a cure, warns the expert. (Vb)
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