Substances without calories, dietary fiber has long been considered as devoid of any nutritional interest. Wrong!
Today, they are recognized as a health element in their own right, because their absorption helps prevent certain diseases, such as the formation of intestinal diverticula, and probably colon cancer.
On the other hand, the dietary fiber regulates the intestinal transit and "capture" some of the lipids and carbohydrates, also evacuated by the natural ways, which allows to regulate part of the blood sugar and to avoid the excess cholesterol.
There are two forms of fibers:
- the soluble fibers which, mixed with water, constitute a gel (apples, strawberries ...) rich in pectin
- insoluble fiber (bran, cereals, vegetables, fruits ...).
Good to know: foods containing fiber:
There are, of course, still other essential nutrients for our body, including vitamins, minerals and trace elements. For the latter, we are talking about micro-nutrients.
To learn more, read also our files:
> Digestion: how are vitamins and minerals assimilated? (video)
> Learn more about dietary fiber and high fiber foods.
> The fiber diet
> 18 tips for a balanced diet