{"id":9117,"date":"2017-09-05T14:44:13","date_gmt":"2017-09-05T12:44:13","guid":{"rendered":"http:\/\/www.sef-italia.it\/?p=9117"},"modified":"2017-09-05T14:44:13","modified_gmt":"2017-09-05T12:44:13","slug":"il-sistema-ossidante","status":"publish","type":"post","link":"https:\/\/www.sef-italia.it\/index.php\/2017\/09\/05\/il-sistema-ossidante\/","title":{"rendered":"Il sistema ossidante"},"content":{"rendered":"<p>L&#8217;organismo \u00e8 continuamente esposto a sostanze ad azione ossidante provenienti dall&#8217;esterno e prodotte all&#8217;interno dell&#8217;organismo stesso. L&#8217;esposizione alle sostanze ossidanti provenienti dall&#8217;esterno diventa importante soprattutto per il sistema respiratorio (via aeree e polmoni), diventando potenzialmente pericolosa per lo sviluppo di patologie respiratorie. Per quanto riguarda le sostanze ad azione ossidante prodotte all&#8217;interno dell&#8217;organismo stesso, se ne possono distinguere diverse, in base a dove vengono a formarsi. La maggior parte di queste sostanze deriva dalla produzione di energia attraverso l&#8217;utilizzo di ossigeno; questa situazione si verifica continuamente nell&#8217;organismo a livello cellulare per mantenere le funzioni vitali della cellulare garantirne l&#8217;integrit\u00e0. L&#8217;ossigeno utilizzato d\u00e0 luogo alla formazione di anidride carbonica e acqua. Una percentuale di ossigeno per\u00f2, pari al 1-2%, non essendo completamente trasformata, genera le cosiddette &#8220;specie reattive dell&#8217;ossigeno&#8221;.<\/p>\n<p>Tutto questo diventa rilevante soprattutto durante l&#8217;esercizio fisico del cavallo, quando cio\u00e8 il consumo di ossigeno aumenta drasticamente fino a 40 volte. Altra fonte &#8220;fisiologica&#8221; di ossidanti \u00e8 quella derivante dall&#8217;azione di enzimi e quella derivante dall&#8217;azione delle cellule coinvolte nei processi infiammatori. In quest&#8217;ultimo caso la produzione di sostanze ossidanti ha un effetto favorevole per l&#8217;organismo perch\u00e9 la loro azione provoca danni ai microrganismi invasori. La letteratura scientifica ha riconosciuto nel corso del tempo che, seppur demonizzati e considerati come sottoprodotti pericolosi di metabolismo cellulare, gli ossidanti svolgono comunque un&#8217;importante funzione di messaggeri in numerosi processi metabolici intracellulari.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-8214\" src=\"http:\/\/www.sef-italia.it\/wp-content\/uploads\/2017\/05\/horses-1414889_1280-300x200.jpg\" alt=\"\" width=\"300\" height=\"200\" srcset=\"https:\/\/www.sef-italia.it\/wp-content\/uploads\/2017\/05\/horses-1414889_1280-300x200.jpg 300w, https:\/\/www.sef-italia.it\/wp-content\/uploads\/2017\/05\/horses-1414889_1280-768x513.jpg 768w, https:\/\/www.sef-italia.it\/wp-content\/uploads\/2017\/05\/horses-1414889_1280-1024x684.jpg 1024w, https:\/\/www.sef-italia.it\/wp-content\/uploads\/2017\/05\/horses-1414889_1280-148x99.jpg 148w, https:\/\/www.sef-italia.it\/wp-content\/uploads\/2017\/05\/horses-1414889_1280-31x21.jpg 31w, https:\/\/www.sef-italia.it\/wp-content\/uploads\/2017\/05\/horses-1414889_1280-38x25.jpg 38w, https:\/\/www.sef-italia.it\/wp-content\/uploads\/2017\/05\/horses-1414889_1280-322x215.jpg 322w, https:\/\/www.sef-italia.it\/wp-content\/uploads\/2017\/05\/horses-1414889_1280-830x554.jpg 830w, https:\/\/www.sef-italia.it\/wp-content\/uploads\/2017\/05\/horses-1414889_1280-230x154.jpg 230w, https:\/\/www.sef-italia.it\/wp-content\/uploads\/2017\/05\/horses-1414889_1280-350x234.jpg 350w, https:\/\/www.sef-italia.it\/wp-content\/uploads\/2017\/05\/horses-1414889_1280-480x321.jpg 480w, https:\/\/www.sef-italia.it\/wp-content\/uploads\/2017\/05\/horses-1414889_1280.jpg 1280w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>L&#8217;organismo \u00e8 continuamente esposto a sostanze ad azione ossidante provenienti dall&#8217;esterno e prodotte all&#8217;interno dell&#8217;organismo stesso. L&#8217;esposizione alle sostanze ossidanti provenienti dall&#8217;esterno [&hellip;]<\/p>\n","protected":false},"author":83,"featured_media":8214,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\r\n<title>Il sistema ossidante - SEF Italia<\/title>\r\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\r\n<link rel=\"canonical\" href=\"https:\/\/www.sef-italia.it\/index.php\/2017\/09\/05\/il-sistema-ossidante\/\" \/>\r\n<meta property=\"og:locale\" content=\"it_IT\" \/>\r\n<meta property=\"og:type\" content=\"article\" \/>\r\n<meta property=\"og:title\" content=\"Il sistema ossidante - SEF Italia\" \/>\r\n<meta property=\"og:description\" content=\"L&#8217;organismo \u00e8 continuamente esposto a sostanze ad azione ossidante provenienti dall&#8217;esterno e prodotte all&#8217;interno dell&#8217;organismo stesso. 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