{"id":3590,"date":"2023-09-02T15:00:34","date_gmt":"2023-09-02T13:00:34","guid":{"rendered":"https:\/\/libradigest.com\/?post_type=glossary&#038;p=3590"},"modified":"2023-10-09T15:03:22","modified_gmt":"2023-10-09T13:03:22","slug":"radicaux-libres","status":"publish","type":"glossary","link":"https:\/\/libradigest.com\/fr\/glossaire\/radicaux-libres\/","title":{"rendered":"radicaux libres"},"content":{"rendered":"\n<p>\u00c9l\u00e9ments ou compos\u00e9s qui poss\u00e8dent au moins un \u00e9lectron de valence non appari\u00e9 et qui ont tendance \u00e0 le \u201cvoler\u201d \u00e0 toute substance voisine.<\/p>\n\n\n\n<p>L\u2019organisme les g\u00e9n\u00e8re en tant que sous-produits de la digestion, mais aussi apr\u00e8s un exercice physique ou une exposition \u00e0 la pollution atmosph\u00e9rique (en particulier \u00e0 la fum\u00e9e de cigarette) et \u00e0 la lumi\u00e8re du soleil.<\/p>\n\n\n\n<p>Une quantit\u00e9 chronique excessive de radicaux libres dans l\u2019organisme provoque un \u00e9tat appel\u00e9 stress oxydatif, qui endommage les cellules et l\u2019ADN.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00c9l\u00e9ments ou compos\u00e9s qui poss\u00e8dent au moins un \u00e9lectron de valence non appari\u00e9 et qui ont tendance \u00e0 le \u201cvoler\u201d \u00e0 toute substance voisine. 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