{"id":2694,"date":"2025-10-20T08:34:52","date_gmt":"2025-10-20T08:34:52","guid":{"rendered":"https:\/\/tech-complex.com\/?p=2694"},"modified":"2025-10-20T08:34:52","modified_gmt":"2025-10-20T08:34:52","slug":"extractes-naturals-de-raim-polifenols-i-oligoproantocianidines-en-nutricio-animal","status":"publish","type":"post","link":"https:\/\/tech-complex.com\/ca\/extractes-naturals-de-raim-polifenols-i-oligoproantocianidines-en-nutricio-animal\/","title":{"rendered":"Extractes naturals de ra\u00efm: polifenols i oligoproantocianidines en nutrici\u00f3 animal"},"content":{"rendered":"<blockquote><p>La incorporaci\u00f3 d\u2019extractes naturals de llavors i pell de ra\u00efm en l\u2019alimentaci\u00f3 animal aporta compostos bioactius com els polifenols i, en particular, les oligoproantocianidines (OPC), que han estat \u00e0mpliament estudiades en la literatura cient\u00edfica pels seus efectes funcionals i pel seu potencial impacte positiu en la nutrici\u00f3 i el benestar animal.<\/p><\/blockquote>\n<h3><strong>Mecanisme d\u2019acci\u00f3 dels polifenols i les OPC<\/strong><\/h3>\n<p>Els polifenols comprenen un grup complex de compostos amb propietats antioxidants, antiinflamat\u00f2ries i immunomoduladores. Entre ells, les oligoproantocianidines, pol\u00edmers de flavanols, destaquen per la seva alta capacitat de neutralitzar esp\u00e8cies reactives d\u2019oxigen ( radicals lliures) i prevenir processos d\u2019oxidaci\u00f3 a nivell cel\u00b7lular i dels materials alimentaris. <\/p>\n<h3><strong>Aquests compostos actuen mitjan\u00e7ant:<\/strong><\/h3>\n<ul>\n<li>Captura de radicals lliures: Neutralitzen mol\u00e8cules reactives perjudicials que poden afectar la integritat cel\u00b7lular i l\u2019efici\u00e8ncia metab\u00f2lica.<\/li>\n<li>Inhibici\u00f3 d\u2019enzims pro-oxidants: Limiten l\u2019activitat d\u2019enzims responsables de l\u2019oxidaci\u00f3 de l\u00edpids i altres substrats, contribuint a mantenir la integritat de l\u2019aliment.<\/li>\n<li>Efecte sin\u00e8rgic amb la vitamina E: Afavoreixen la regeneraci\u00f3 i el reciclatge de la vitamina E, optimitzant-ne l\u2019\u00fas i potenciant l\u2019estatus antioxidant general a l\u2019organisme animal.<\/li>\n<li>Modulaci\u00f3 immunol\u00f2gica i antiinflamat\u00f2ria: Milloren la regulaci\u00f3 de mediadors inflamatoris i la resposta immune, contribuint al benestar animal.<\/li>\n<\/ul>\n<h3><strong>Beneficis reportats a la literatura cient\u00edfica<\/strong><\/h3>\n<p>Diversos estudios en animales monog\u00e1stricos (cerdos, aves) y rumiantes han documentado beneficios asociados a la inclusi\u00f3n de polifenoles y OPC en las dietas:<\/p>\n<ul>\n<li>Millores en enzims antioxidants clau com la super\u00f2xid dismutasa (SOD), glutati\u00f3 peroxidasa (GPx) i capacitat antioxidant total (TAS), reduint danys cel\u00b7lulars i estr\u00e8s oxidatiu (Lipi\u0144ski et al., 2017).<\/li>\n<li>Increment dels nivells d\u2019immunoglobulines i reducci\u00f3 dels processos inflamatoris, amb menor incid\u00e8ncia de trastorns intestinals (Hao et al., 2015).<\/li>\n<li>Millores en par\u00e0metres productius com fertilitat, qualitat i viabilitat d\u2019ous i vedells, rendiment reproductiu i reducci\u00f3 de mortalitat en etapes sensibles (Alm El-Dein et al., 2017).<\/li>\n<li>Conservaci\u00f3 i prolongaci\u00f3 de l\u2019estabilitat de l\u2019aliment en retardar l\u2019oxidaci\u00f3, preservant nutrients i sabor (Brenes et al., 2015).<\/li>\n<\/ul>\n<h3><strong>Recomanacions generals d\u2019\u00fas<\/strong><\/h3>\n<p>La incorporaci\u00f3 s\u2019ha de fer respectant dosis orientatives adaptades a l\u2019esp\u00e8cie i estadi fisiol\u00f2gic, normalment en rangs de desenes de grams per tona d\u2019aliment, per aprofitar plenament els seus efectes funcionals.<\/p>\n<h3><strong>Conclusi\u00f3<\/strong><\/h3>\n<p>Els polifenols i les oligoproantocianidines d\u2019origen natural s\u00f3n actius amb un s\u00f2lid suport cient\u00edfic que aporten valor a la nutrici\u00f3 animal, especialment en la millora de l\u2019efici\u00e8ncia productiva. Aquest enfocament permet als nutricionistes implementar estrat\u00e8gies naturals, segures i sostenibles que complementen la nutrici\u00f3 tradicional, potenciant la qualitat de l\u2019aliment i el rendiment animal. <\/p>\n<p>&nbsp;<\/p>\n<p>Refer\u00e8ncies bibliogr\u00e0fiques destacades<\/p>\n<ul>\n<li>Lipi\u0144ski, K., Mazur, M., Antoszkiewicz, Z., &amp; Purwin, C. (2017). Polyphenols in monogastric nutrition \u2013 A review. <em>Annals of Animal Science,<\/em> 17(1), 41\u201358. DOI: 10.1515\/aoas-2016-0042  <\/li>\n<li>Hao, H., et al. (2015). Dietary grape seed procyanidins improve antioxidant status and immune response in weaned piglets. <em>Asian-Australasian Journal of Animal Sciences<\/em>, 27(1), 131-139.<\/li>\n<li>Alm El-Dein, A.K., et al. (2017). Comparative study between dietary supplementation of grape pomace and vitamin E on productive and reproductive performance in aged laying hens. <em>Egyptian Poultry Science Journal<\/em>, 37(III), 855-872.<\/li>\n<li>Brenes, A., Viveros, A., Chamorro, S., &amp; Arija, I. (2015). Use of polyphenol-rich grape by-products in monogastric nutrition: A review. <em>Animal Feed Science and Technology<\/em>. DOI: 10.1016\/j.anifeedsci.2015.09.016  <\/li>\n<li>Shi, J., Yu, J., Pohorly, J.E., &amp; Kakuda, Y. (2003). Polyphenolics in grape seeds\u2014biochemistry and functionality. <em>Journal of Medicinal Food<\/em>, 6(4), 291\u2013299. <\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>L\u2019inclusi\u00f3 d\u2019extractes naturals de llavors i pell de ra\u00efm en l\u2019alimentaci\u00f3 animal aporta compostos bioactius com polifenols i oligoproantocianidines, potents antioxidants amb efectes antiinflamatoris i immunomoduladors. Aquestes subst\u00e0ncies neutralitzen radicals lliures, inhibeixen enzims pro-oxidants i potencien la vitamina E, millorant el benestar i l\u2019efici\u00e8ncia productiva en monog\u00e0strics i rumiants. Estudis cient\u00edfics avalen millores en par\u00e0metres antioxidants, resposta immune, salut intestinal i productivitat. Es recomana respectar dosis espec\u00edfiques segons esp\u00e8cie i etapa fisiol\u00f2gica per maximitzar els beneficis, promovent una nutrici\u00f3 segura, natural i sostenible.   <\/p>\n","protected":false},"author":4,"featured_media":2392,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[166],"tags":[],"class_list":["post-2694","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-multiespecie-ca"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Extractes naturals de ra\u00efm: polifenols i oligoproantocianidines en nutrici\u00f3 animal - TECH-COMPLEX<\/title>\n<meta name=\"description\" content=\"Els extractes de llavors i pell de ra\u00efm, rics en polifenols i oligoproantocianidines, milloren la salut antioxidant, immunol\u00f2gica i productiva dels animals.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/tech-complex.com\/ca\/extractes-naturals-de-raim-polifenols-i-oligoproantocianidines-en-nutricio-animal\/\" \/>\n<meta property=\"og:locale\" content=\"ca_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Extractes naturals de ra\u00efm: polifenols i oligoproantocianidines en nutrici\u00f3 animal - 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