Manger des bananes permet-il de prévenir certains cancers ?

Les amidons résistants sont présents dans les bananes encore vertes mais aussi les pommes de terre, les graines ou les légumineuses. © Alexander Ruiz

This is information that seems unlikely. However, researchers have shown that resistant starches, contained among others in bananas, prevent certain types of cancer.

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the bananas have the power to prevent cancer? The results of a recent clinical trial, published in Cancer Research Prevention, might suggest. In fact, scientists have studied whether a daily intake of 30 grams of resistant starch, a type of starch that is not digested by the function of the small intestine
Following the stomach, the small intestine is made up of the duodenum, jejunum, and ileum. Its function is to continue the digestion of food and above all to absorb nutrients.
The intestine secretes juice…” data-image=”” data -url =”” data-more=”Read more”>small intestine — present in green bananas, potatoes Season
The potato is harvested from May to October. Before the end of July, it is called “primeur”. Until September, it’s…” data-image=”” data-url= ”” data-more=”Read more”>potatoes or even the legumes can prevent the occurrence of certain cancer formation
The…” data-image=” wellcome-images-filckr-nc-nd-02.jpg” data-url=”” data-more=”Read More”>cancer.

This research was carried out on very specific patients, who suffered from syndrome of Lynch. This is a problem hereditary original genetic that interrupts the repair mechanisms of the DNA structure
DNA is a very long molecule, made up of a succession of nucleotides joined together by phosphodiester bonds. There are four…” data-image=”” data-url=”https:/ /” data-more=”Read more”>DNA. As a result, people with Lynch syndrome have a higher risk of developing cancer at a younger age than average. The attacks are diverse, but colorectal cancers are the most frequent, followed by those of the endometrium and stomach function.
The function of the stomach is to digest food chewed in the mouth and brought up the esophagus. Digestion in the stomach lasts between 3 and 7 hours thanks to the presence of digestive enzymes (proteases such as pepsin)…” data-image=” images/midioriginal / 8/5/4/854186b872_50035482_stomach-imageshack.jpg” data-url=”” data-more=”Read More”>stomach. aspirin-based treatment it helps reduce its risk of occurrence, but for cancers that affect other areas of the body, scientists have not found a way to prevent them. Prevention is based on avoiding negative alterations or reducing their risk. .” data-image=”https://” data -url=”” data-more=”Read more”>prevention effective…until they went into resistant starches.

Bananas, the anti-cancer gesture for people with Lynch syndrome

The results of this clinical trial are only of interest in a very limited context. By no means do these results suggest that resistant starches prevent all cancers in the general population. On the other hand, they provide interesting data on a possible means of preventing non-colorectal cancers in people with Lynch syndrome.

The 918 participants in this trial were separated into two groups: a group that consumed 30 g per day of resistant starch in powder form and a group that consumed a placebo.
The medication…” data-image=”” data -url=”” data-more=”Read more”>placebo. Follow-up was long-term. If the patients in the “resistant starch” group took this supplement for four years, their health status and the appearance of cancers were examined for almost ten years for most and up to twenty years for some of them.

The results show that resistant starches have no effect on In epidemiology, incidence refers to the number of new cases of a disease that have appeared during a given period of time. An increase in incidence allows, for example, to observe… cute-wiki-dp.jpg” data-url=” ” data- more=”Read more”>impact since colorectal cancers in patients with Lynch syndrome, but in other types of cancer. The effect is particularly noticeable in cancers of the upper gastrointestinal tract. In the ‘resistant starch’ group, 27 people developed non-colorectal cancer compared to 48 in the placebo group; more than two years after the start of the clinical trial.

The scientists conclude that resistant starches have a protective effect against non-colorectal cancers in people with Lynch syndrome, although they still point to certain limits in their result. In fact, his first hypothesis was that resistant starches actually have an effect in preventing colorectal cancers, which they could not show here. There are several types of…” data-image=”” data-url=”https: / /” data-more=”Read more”>predominance of Lynch syndrome in the general population is not known and the individual risk of each disease also depends on other factors such as age, gender or lifestyle.

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