{"id":3617,"date":"2018-07-20T13:11:18","date_gmt":"2018-07-20T13:11:18","guid":{"rendered":"https:\/\/lacompanyiaverda.com\/vitamina-d-ca\/"},"modified":"2018-07-20T13:11:18","modified_gmt":"2018-07-20T13:11:18","slug":"vitamina-d-ca","status":"publish","type":"post","link":"https:\/\/lacompanyiaverda.com\/ca\/vitamina-d-ca\/","title":{"rendered":"Vitamina D"},"content":{"rendered":"\n<p style=\"text-align: justify\">El passat 21 de juny va comen\u00e7ar l&#8217;estiu i, amb ell, la calor i el sol intens. Els dies s\u00f3n m\u00e9s llargs, arriben les desitjades vacances, les anades a la platja, piscines, passejades a l&#8217;aire lliure i la roba lleugera. I encara que en aquestes dates passem bona part del dia al carrer, un nombre important de persones patim car\u00e8ncia de vitamina D en el nostre organisme.\nI qu\u00e8 \u00e9s la vitamina D?\n\u00c9s una de les vitamines liposolubles -soluble en greixos o olis- que t\u00e9 un paper essencial en la regulaci\u00f3 del metabolisme del calci i el f\u00f2sfor, imprescindibles per a la formaci\u00f3 normal dels ossos i de les dents, a m\u00e9s de permetre l&#8217;absorci\u00f3 del calci a nivell intestinal. A m\u00e9s, pot exercir un paper important en la regulaci\u00f3 del sistema immunitari.\nI com l&#8217;obtenim?\nGr\u00e0cies a dos mecanismes naturals: en la seva major part, mitjan\u00e7ant l&#8217;exposici\u00f3 als raigs solars (UV-B d&#8217;ona curta de 290 a 320nm) i la s\u00edntesi que es produeix a la pell -de la qual es pot cobrir fins a un 90% de les nostres necessitats di\u00e0ries-, i pel consum d&#8217;alguns aliments com, per exemple: peixos grassos, rovell d&#8217;ou, oli de fetge de peix i alguns tipus de bolets, com el shiitake, tot i que de tots ells s&#8217;obt\u00e9 nom\u00e9s el 20% o menys de la necessitat di\u00e0ria.\nI a qu\u00e8 es deu aquesta car\u00e8ncia si gaudim de m\u00e9s hores de sol que altres pa\u00efsos?\nSi ens aturem a pensar en el nostre dia a dia, exceptuant els dies de vacances, passem la resta de l&#8217;any al voltant d&#8217;un 90% del temps en espais interiors, amb manca de llum natural i, per tant, amb car\u00e8ncia de radiaci\u00f3 natural. I \u00e9s que necessitem, com a m\u00ednim, tres vegades per setmana estar uns 30 minuts en contacte amb el sol, a hores menys potents, per poder tenir una producci\u00f3 suficient i saludable per a l&#8217;organisme. Sumat a l&#8217;anterior l&#8217;\u00fas de cremes solars, que filtren justament els raigs ultraviolats d&#8217;ona curta, i el d\u00e8ficit de vitamina D en la dieta, dona com a resultat una car\u00e8ncia d&#8217;aquesta vitamina.\n\n<p style=\"text-align: justify\">Quins s\u00f3n els s\u00edmptomes?\nDolors ossis difusos i dolors articulars, falta d&#8217;energia, debilitat muscular i esgotament f\u00e0cil en caminar, espasmes musculars i fractura d&#8217;ossos en casos molt greus.\n*En cas de tenir algun d&#8217;aquests s\u00edmptomes \u00e9s imprescindible una an\u00e0lisi de sang per confirmar el d\u00e8ficit.\ni quines conseq\u00fc\u00e8ncies t\u00e9?\nDisminueix l&#8217;absorci\u00f3 del calci a nivell intestinal i promou la despesa del calci emmagatzemat a l&#8217;os, desmineralitzaci\u00f3 dels ossos, osteoporosi, raquitisme, malalties immunol\u00f2giques, depressi\u00f3, i s&#8217;ha relacionat amb malalties respirat\u00f2ries, com la pneum\u00f2nia, la tuberculosi i la bronquiolitis.\nEn resum, tot i que \u00e9s ben sabut que una exposici\u00f3 excessiva al sol pot ocasionar envelliment de la pell o un melanoma -c\u00e0ncer de pell-, no ho \u00e9s tant la necessitat que tenim dels raigs UV per sintetitzar aquest micronutrient, per la qual cosa es recomana exposar-se al sol uns 10 a 15 minuts cada dia en les hores de menys insolaci\u00f3 i introduir en la nostra dieta aliments rics en vitamina D.\nEl sol \u00e9s benefici\u00f3s per mantenir-nos sans!\n\n<p style=\"font-size: 12px\">Fonts:\n<a href=\"http:\/\/www.scielo.org.co\/pdf\/biosa\/v16n1\/v16n1a08.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">http:\/\/www.scielo.org.co\/pdf\/biosa\/v16n1\/v16n1a08.pdf<\/a>\n<a href=\"http:\/\/www.who.int\/elena\/nutrient\/es\/\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/www.who.int\/elena\/nutrient\/es\/<\/a>\n<a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC3166406\/\" target=\"_blank\" rel=\"noopener noreferrer\">http:\/\/https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC3166406\/<\/a>\n","protected":false},"excerpt":{"rendered":"<p>El passat 21 de juny va comen\u00e7ar l&#8217;estiu i, amb ell, la calor i el sol intens. Els dies s\u00f3n m\u00e9s llargs, arriben les desitjades vacances, les anades a la platja, piscines, passejades a l&#8217;aire lliure i la roba lleugera. I encara que en aquestes dates passem bona part del dia al carrer, un nombre <a href=\"https:\/\/lacompanyiaverda.com\/ca\/vitamina-d-ca\/\"><\/a><\/p>\n","protected":false},"author":2,"featured_media":1689,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[8],"tags":[],"class_list":["post-3617","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Vitamina D - La Companyia Verda<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lacompanyiaverda.com\/ca\/vitamina-d-ca\/\" \/>\n<meta property=\"og:locale\" content=\"ca_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Vitamina D - La Companyia Verda\" \/>\n<meta property=\"og:description\" content=\"El passat 21 de juny va comen\u00e7ar l&#8217;estiu i, amb ell, la calor i el sol intens. 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