Les polyphénols comprendre leur importance et leur impact

Polyphenols understanding their importance and impact

Mar 21, 2024

Polyphenols are a family of chemical compounds found naturally in plants. They are recognized for their antioxidant properties, but also for their beneficial effects on health in general.

Understanding polyphenols: what are they?

Polyphenols are primarily known as antioxidant compounds , serving to protect our cells against free radicals . Unlike simple antioxidants, polyphenols are more complex compounds, with more varied structures.

There are several thousand polyphenols found in the plant world , among which several hundred are found in the plants that we consume regularly. On our plates, polyphenols are present in greater quantities in fruits such as strawberries, lychees, grapes, vegetables such as artichokes, parsley, Brussels sprouts, but also in tea, red wine and chocolate. black.

The types of polyphenols are diverse and varied, but we can cite a few main classes: flavanols , flavonols , flavanones , hydroxycinnamic acids and anthocyanidins . Each of these types of polyphenols has specific properties and contributes, in its own way, to the body's defense.

The relationship between polyphenols and human health

They are recognized as powerful antioxidants that help neutralize free radicals responsible for cell damage. Thus, incorporating foods rich in polyphenols into our daily diet can have a visible impact on our health.

Different mechanisms of action of polyphenols have been noted, although these are not yet fully elucidated. It is, however, essential to understand that the activity of these complex molecules is influenced by the metabolic and genetic status of each individual, but also by the form in which they are ingested.

Even more, epidemiological studies show a reduction in the risk of serious diseases, such as type 2 diabetes and cardiovascular diseases, associated with increased consumption of foods rich in polyphenols. Wine, in particular, is notable for its content of antioxidant phenolic compounds and, when consumed in moderation, may have beneficial effects on atherosclerosis, diabetes and hypertension.

How to increase your consumption of polyphenols?

An excellent way to increase your consumption of polyphenols is to adopt a varied, balanced diet rich in fruits and vegetables . Products such as strawberries, lychees, grapes, artichokes, and Brussels sprouts are veritable gold mines when it comes to polyphenols. Black tea , green tea , red wine , garlic , parsley , and dark chocolate are also excellent sources of polyphenols.

It should be noted that regular consumption of fruits and vegetables rich in polyphenols is recommended. However, before taking food supplements based on polyphenols , we strongly recommend that you speak with a doctor. These dietary supplements may interact with other medications and potentially cause side effects.

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