{"id":35107,"date":"2025-02-18T16:50:51","date_gmt":"2025-02-18T15:50:51","guid":{"rendered":"https:\/\/www.ecoceutics.com\/?p=35107"},"modified":"2025-02-18T16:50:51","modified_gmt":"2025-02-18T15:50:51","slug":"que-son-les-oligo-proantocianidines-opc","status":"publish","type":"post","link":"https:\/\/www.ecoceutics.com\/ca\/respostes-de-salut\/salut\/que-son-les-oligo-proantocianidines-opc\/","title":{"rendered":"Qu\u00e8 s\u00f3n les oligo-proantocianidines (OPC)?"},"content":{"rendered":"<p>Les proantocianidinas oligom\u00e9ricas, oligo-proantocianidines o OPC s\u00f3n un grup de mol\u00e8cules d&#8217;origen natural presents en altes quantitats en el ra\u00efm, els nabius i altres baies.<\/p>\n<p>L&#8217;inter\u00e8s de la comunitat cient\u00edfica en les OPC ha augmentat en els \u00faltims anys: s\u00f3n mol\u00e8cules d&#8217;origen natural, no t\u00f2xiques per als humans, antioxidants i potencialment capa\u00e7os de grans beneficis per a la salut humana. Per\u00f2 qu\u00e8 s\u00f3n exactament les OPC? Quines propietats tenen? Existeixen productes a base de OPC en el mercat? Vegem\u2026<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Contenido de la p\u00e1gina<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #333333;color:#333333\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #333333;color:#333333\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.ecoceutics.com\/ca\/respostes-de-salut\/salut\/que-son-les-oligo-proantocianidines-opc\/#que-son-exactament-les-oligo-proantocianidines\" >Qu\u00e8 s\u00f3n exactament les oligo-proantocianidines?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.ecoceutics.com\/ca\/respostes-de-salut\/salut\/que-son-les-oligo-proantocianidines-opc\/#que-propietats-han-demostrat-les-oligo-proantocianidines\" >Que propietats han demostrat les oligo-proantocianidines?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.ecoceutics.com\/ca\/respostes-de-salut\/salut\/que-son-les-oligo-proantocianidines-opc\/#quins-productes-hi-ha-disponibles-a-base-de-oligo-proantocianidines\" >Quins productes hi ha disponibles a base de oligo-proantocianidines?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.ecoceutics.com\/ca\/respostes-de-salut\/salut\/que-son-les-oligo-proantocianidines-opc\/#les-oligo-proantocianidinas-son-aptes-per-a-totes-les-persones\" >Les oligo-proantocianidinas s\u00f3n aptes per a totes les persones?<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"que-son-exactament-les-oligo-proantocianidines\"><\/span>Qu\u00e8 s\u00f3n exactament les oligo-proantocianidines?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Les oligo-proantocianidines(OPCs) s\u00f3n mol\u00e8cules pertanyents a la gran fam\u00edlia dels flavonoides. Posseeixen una estructura molt complexa, formades per la uni\u00f3 de diverses proantocianidines entre si.<\/p>\n<p>Per\u00f2 qu\u00e8 s\u00f3n les proantocianidines? Perqu\u00e8 les proantocianidinas s\u00f3n mol\u00e8cules sintetitzades per esp\u00e8cies vegetals tan diferents com la planta de caf\u00e8, els arbustos de baies (nabius vermells, nabius blaus) o el pi mar\u00edtim. Les proantocianidinas protegeixen la planta d&#8217;atacs del mitj\u00e0 a trav\u00e9s de diversos mecanismes: la astringencia dels fruits que repel\u00b7leix a depredadors, la capacitat de reacci\u00f3 enfront de la llum UV, o el bloqueig del creixement de pat\u00f2gens s\u00f3n propietats que les plantes posseeixen gr\u00e0cies a les proantocianidines .<\/p>\n<p>Coneixem sis \u201cproantocianidines base\u201d compostes per un nucli qu\u00edmic com\u00fa, i seran els diferents grups afegits a aquest nucli els que donaran la identitat a cadascuna: catequina, epicatequina, galocatequina, epigalocatequina, afzelequina i epiafzelequina. Aquestes proantocianidines actuen com a \u201cblocs constructors\u201d la uni\u00f3 dels quals, en n\u00famero variable de 2 a 4 i realitzada a trav\u00e9s de diferents enlla\u00e7os qu\u00edmics, donar\u00e0 lloc a la gran varietat de OPCs que hem identificat en la naturalesa.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"que-propietats-han-demostrat-les-oligo-proantocianidines\"><\/span>Que propietats han demostrat les oligo-proantocianidines?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Les oligo-proantocianidines s\u00f3n excel\u00b7lents <a href=\"https:\/\/www.ecoceutics.com\/ca\/respostes-de-salut\/vitamines\/antioxidants\/\">antioxidants<\/a>. Diferents estudis han demostrat in vitro i in vivo (particularment en animals) que les OPCs posseeixen alguna o diverses de les seg\u00fcents propietats:<\/p>\n<ul>\n<li>Estimulaci\u00f3 de la immunitat espec\u00edfica (vist particularment en ratolins).<\/li>\n<li>Inducci\u00f3 d&#8217;enzims l&#8217;activitat dels quals augmenta la capacitat antioxidant de la c\u00e8l\u00b7lula.<\/li>\n<li>Protecci\u00f3 de diferents c\u00e8l\u00b7lules, disminuint l&#8217;expressi\u00f3 de gens involucrats en el proc\u00e9s de mort cel\u00b7lular (apoptosi).<\/li>\n<li>Activitat vasodilatadora i antiagregant plaquet\u00e0ria (totes dues d&#8217;inter\u00e8s per al manteniment de la salut cardiovascular.<br \/>\nrecaptaci\u00f3 i escombratge de radicals lliures (d&#8217;inter\u00e8s en diversos camps, inclosa la lluita contra l&#8217;envelliment).<\/li>\n<li>Activitat antibacteriana i antiviral.<\/li>\n<li>Inhibici\u00f3 de la permeabilitat dels vasos capil\u00b7lars (\u00fatil en casos que requereixen protecci\u00f3 vascular com les cames cansades, insufici\u00e8ncia venosa o edemes).<\/li>\n<li>Interaccions amb gens relacionats amb la replicaci\u00f3 de l&#8217;ADN i el cicle cel\u00b7lular (d&#8217;inter\u00e8s en el camp de l&#8217;oncologia).<\/li>\n<\/ul>\n<p>Les diferents esp\u00e8cies vegetals donen lloc a oligo-proantocianidines amb estructures distintes. Dos OPCs molt estudiades en humans s\u00f3n les provinents del pi mar\u00edtim (Picnogenol) i les provinents de les llavors del ra\u00efm (GPSE). Per\u00f2, encara que els assajos realitzats hagin llan\u00e7at resultats prometedors en humans \u00e9s important assenyalar que, amb data de publicaci\u00f3 d&#8217;aquest article (febrer 2025), cap d&#8217;aquestes OPCs s\u00f3n aprovades com a tractament per a cap condici\u00f3 m\u00e8dica.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"quins-productes-hi-ha-disponibles-a-base-de-oligo-proantocianidines\"><\/span>Quins productes hi ha disponibles a base de oligo-proantocianidines?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Amb data de publicaci\u00f3 d&#8217;aquest article (febrer 2025) no hi ha medicaments en el mercat espanyol que puguin assegurar les propietats medicinals descrites anteriorment; solament existeixen <a href=\"https:\/\/www.ecoceutics.com\/ca\/complements-alimentosos\/\">complements alimentosos<\/a> de diferents marques fets a base de OPCs.<\/p>\n<p>\u00c9s important destacar que els complements alimentosos no substitueixen una dieta equilibrada, ni estan dissenyats per a prevenir, tractar o curar malalties, ni estan fets per a resoldre patologies o prevenir-les, com s\u00ed que ho estan els medicaments. \u00c9s per aix\u00f2 que et recomanem que parlis amb un professional de la salut abans d&#8217;utilitzar complements alimentosos; tamb\u00e9 en aquest cas pots comptar amb la teva farm\u00e0cia de confian\u00e7a, ja que, com a especialistes en els medicaments i en els productes naturals, els farmac\u00e8utics sabem diferenciar b\u00e9 els usos dels medicaments i dels complements alimentosos.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"les-oligo-proantocianidinas-son-aptes-per-a-totes-les-persones\"><\/span>Les oligo-proantocianidinas s\u00f3n aptes per a totes les persones?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Per regla general, les oligo-proantocianidinas es consideren molt segures per als \u00e9ssers humans. Per\u00f2 com a natural no significa innocu \u00e9s important recordar que alguns pacients han de ser particularment prudents a l&#8217;hora d&#8217;utilitzar complements alimentosos:<\/p>\n<ul>\n<li>Persones al\u00b7l\u00e8rgiques a la planta d&#8217;origen o a productes relacionats amb les OPCs.<\/li>\n<li>Pacients polimedicats.<\/li>\n<li>Embarassades<\/li>\n<li>Mares lactants.<\/li>\n<li>Menors d&#8217;edat, particularment els nens petits.<\/li>\n<li>Pacients amb problemes renals o hep\u00e0tics.<\/li>\n<\/ul>\n<p>En aquests casos cobra particular import\u00e0ncia parlar amb un professional de la salut abans d&#8217;utilitzar un complement a base de OPCs. Comptes amb la teva <a href=\"https:\/\/www.ecoceutics.com\/ca\/farmacies-ecoceutics\/\">farm\u00e0cia de confian\u00e7a<\/a> per a cuidar-te, tamb\u00e9 a l&#8217;hora de triar un complement aliment\u00f3s adequat per a tu.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Les proantocianidinas oligom\u00e9ricas, oligo-proantocianidines o OPC s\u00f3n un grup de mol\u00e8cules d&#8217;origen natural presents en altes quantitats en el ra\u00efm, els nabius i altres baies. L&#8217;inter\u00e8s de la comunitat cient\u00edfica en les OPC ha augmentat en els \u00faltims anys: s\u00f3n mol\u00e8cules d&#8217;origen natural, no t\u00f2xiques per als humans, antioxidants i potencialment capa\u00e7os de grans beneficis [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":35103,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"_mbp_gutenberg_autopost":false,"footnotes":""},"categories":[4,1],"tags":[],"class_list":["post-35107","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-respostes-de-salut","category-salut"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Qu\u00e8 s\u00f3n les oligo-proantocianidines o OPC? | Ecoceutics<\/title>\n<meta name=\"description\" content=\"Descobreix que s\u00f3n les oligo-proantocianidines, quins s\u00f3n els seus beneficis per a la nostra salut i quines aplicacions tenen.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ecoceutics.com\/ca\/respostes-de-salut\/salut\/que-son-les-oligo-proantocianidines-opc\/\" \/>\n<meta property=\"og:locale\" content=\"ca_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Qu\u00e8 s\u00f3n les oligo-proantocianidines o OPC? 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