{"id":7651,"date":"2021-06-16T12:00:13","date_gmt":"2021-06-16T12:00:13","guid":{"rendered":"https:\/\/jurmed.ro\/pacienti\/?p=7651"},"modified":"2021-06-16T12:00:13","modified_gmt":"2021-06-16T12:00:13","slug":"fibrele","status":"publish","type":"post","link":"https:\/\/jurmed.ro\/pacienti\/fibrele\/","title":{"rendered":"Ce rol au fibrele \u00een alimenta\u021bie?"},"content":{"rendered":"

Fibrele sunt principii alimentare care provin \u00een special din alimentele de origine vegetal\u0103 – cereale, fructe \u015fi legume – \u015fi care nu pot fi digerate de enzimele tractului digestiv.<\/p>\n

De c\u00e2te tipuri sunt fibrele?<\/u><\/strong><\/p>\n

Fibrele sunt de mai multe tipuri, explic\u0103 dr. Mihaela Gologan<\/strong>, medic primar Diabet, Nutri\u021bie \u0219i Boli Metabolice.<\/p>\n

Unele sunt insolubile, fiind implicate \u00een buna func\u0163ionare a colonului. Cea mai r\u0103sp\u00e2ndit\u0103 fibr\u0103 insolubil\u0103 este celuloza din t\u0103r\u00e2\u0163ele de cereale, prezent\u0103 \u015fi \u00een morcovi, varz\u0103 sau broccoli.<\/p>\n

Alte fibre pot fi pu\u0163in solubile (hemicelulozele) sau solubile, de tip pectine (din fructe) sau gume (din semin\u0163e sau coaj\u0103), cu rol hipolipemiant sau hipoglucidic.<\/p>\n

\u201cUn alt tip de fibre \u00eel reprezint\u0103 a\u015fa numitele fibre func\u0163ionale, spre exemplu inulina (din cicoare), cu rol \u00een stimularea cre\u015fterii \u015fi activit\u0103\u0163ii bacteriilor benefice, prezente \u00een mod obi\u015fnuit la nivel colonic – substan\u0163e cu efect prebiotic\u201d, precizeaz\u0103 Dr. Gologan.<\/p>\n

\"\"<\/a>Care sunt beneficiile alimenta\u0163iei bogate \u00een fibre?<\/u><\/strong><\/p>\n

    \n
  1. \u00a0<\/strong>\u00a0Unele afec\u0163iuni ale colonului, manifestate \u00een principal prin constipa\u0163ie, pot fi influen\u0163ate favorabil prin aport crescut de fibre, at\u00e2t solubile, c\u00e2t mai ales insolubile. Fibrele insolubile cresc capacitatea de retentionare a apei la nivelul colonului, sc\u0103z\u00e2nd astfel timpul tranzitului intestinal.<\/li>\n
  2. \u00a0Exist\u0103 studii care arat\u0103 c\u0103 lipsa fibrelor din alimenta\u0163ie poate fi unul din factorii implica\u0163i \u00een apari\u0163ia cancerului de colon.<\/li>\n
  3. \u00a0<\/strong>\u00a0Func\u0163ion\u00e2nd ca un adev\u0103rat burete, fibrele pot fi implicate \u00een absorb\u0163ia unor substan\u0163e toxice sau cu poten\u0163ial carcinogen.<\/li>\n
  4. \u00a0<\/strong>\u00a0Fibrele pot avea efect hipolipemiant, prin mai multe mecanisme: fie prin sc\u0103derea absorb\u0163iei de gr\u0103simi alimentare, fie bloc\u00e2nd sinteza colesterolului de c\u0103tre ficat sau prin excre\u0163ia acizilor biliari deriva\u0163i din colesterol.<\/li>\n
  5. \u00a0Fibrele solubile exercit\u0103 un efect hipoglicemiant prin sc\u0103derea absorb\u0163iei glucidelor \u015fi \u00eent\u00e2rzierea evacu\u0103rii gastrice. Produc\u00e2nd sa\u0163ietate precoce ajut\u0103 \u00een reducerea aportului alimentar, fiind recomandate \u00een dietele hipocalorice.<\/li>\n
  6. \u201cEste necesar un aport de 10-13 grame de fibre la fiecare 1.000 kcal. Acestea vor fi aduse \u00een diet\u0103 din p\u00e2ine \u015fi alte produse din cereale integrale, legume \u015fi fructe, mai ales din coaj\u0103, semin\u0163e, p\u0103st\u0103i, boabe \u015fi leguminoase. Pentru o eficacitate maxim\u0103 trebuie asociate cu un consum corespunz\u0103tor de\u00a0 lichide, aproximativ 2 litri zilnic\u201d, spune dr. Mihaela Gologan.<\/li>\n<\/ol>\n

    Exist\u0103 situa\u021bii c\u00e2nd fibrele sunt contraindicate?<\/u><\/strong><\/p>\n

      \n
    1. \u00a0La pacien\u021bii cu malabsorb\u0163ie sau scaune diareice, la care con\u0163inutul colonic este crescut, sunt indicate \u00een diet\u0103 alimente care s\u0103 se digere complet, deci cu un con\u0163inut redus de fibre.<\/li>\n
    2. \u00a0O diet\u0103 cu alimente care s\u0103 se digere complet este indicat\u0103 \u015fi \u00een situa\u0163iile \u00een care tractul intestinal este obstruat sau scurtat (boal\u0103 inflamatorie intestinal\u0103, ulcer sau dup\u0103 chirurgie).<\/li>\n
    3. \u00a0Un consum excesiv de fibre poate determina simptome digestive ca flatulen\u0163a, crampe abdominale sau poate afecta absorb\u0163ia calciului \u015fi a zincului din alimente.<\/li>\n<\/ol>\n

      Autor: Dr. Mihaela Gologan, <\/strong>Medic primar\u00a0 diabet zaharat, Nutri\u021bie \u0219i Boli metabolice<\/em><\/p>\n

      Sursa: https:\/\/www.reginamaria.ro\/articole-medicale<\/em><\/p>\n

      \n","protected":false},"excerpt":{"rendered":"

      Fibrele sunt principii alimentare care provin \u00een special din alimentele de origine vegetal\u0103 – cereale, fructe \u015fi legume – \u015fi care nu pot fi digerate de enzimele tractului digestiv. De […]<\/p>\n","protected":false},"author":4,"featured_media":7096,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"categories":[302],"tags":[],"class_list":["post-7651","post","type-post","status-publish","format-standard","has-post-thumbnail","category-gastroenterologie"],"yoast_head":"\nCe rol au fibrele \u00een alimenta\u021bie? - Jurmed - Pacienti<\/title>\n<meta name=\"description\" content=\"Fibrele sunt principii alimentare care provin \u00een special din alimentele de origine vegetal\u0103 - cereale, fructe \u015fi legume - \u015fi care nu pot fi digerate de enzimele tractului digestiv.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jurmed.ro\/pacienti\/fibrele\/\" \/>\n<meta property=\"og:locale\" content=\"ro_RO\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ce rol au fibrele \u00een alimenta\u021bie? 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