{"id":51914,"date":"2021-10-25T08:54:57","date_gmt":"2021-10-25T06:54:57","guid":{"rendered":"https:\/\/www.bioecoactual.com\/?p=51914"},"modified":"2025-06-13T11:35:02","modified_gmt":"2025-06-13T09:35:02","slug":"malalties-transmissio-alimentaria","status":"publish","type":"post","link":"https:\/\/www.bioecoactual.com\/ca\/2021\/10\/25\/malalties-transmissio-alimentaria\/","title":{"rendered":"Malalties de transmissi\u00f3 aliment\u00e0ria: botulisme, salmonel\u00b7losi, campilobacteriosi i E. coli"},"content":{"rendered":"<p>En temps molt remots, abans que es conegu\u00e9s l&#8217;exist\u00e8ncia dels nutrients, dels microorganismes i de les subst\u00e0ncies t\u00f2xiques, els nostres avantpassats ja sabien que alguns aliments podien ajudar a curar certes malalties i que altres, en segons quin estat, podien provocar efectes no desitjats, com <strong>malalties de transmissi\u00f3 aliment\u00e0ria<\/strong> i fins i tot la mort.<br \/>\n<!--more--><\/p>\n<figure id=\"attachment_51907\" aria-describedby=\"caption-attachment-51907\" style=\"width: 1000px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-51907 size-full\" src=\"https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2021\/10\/Enfermedades-de-transmision-alimentaria-1.jpg\" alt=\"Malalties de transmissi\u00f3 aliment\u00e0ria: botulisme, salmonel\u00b7losi, campilobacteriosi i E. coli\" width=\"1000\" height=\"671\" srcset=\"https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2021\/10\/Enfermedades-de-transmision-alimentaria-1.jpg 1000w, https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2021\/10\/Enfermedades-de-transmision-alimentaria-1-768x515.jpg 768w, https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2021\/10\/Enfermedades-de-transmision-alimentaria-1-696x467.jpg 696w, https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2021\/10\/Enfermedades-de-transmision-alimentaria-1-626x420.jpg 626w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><figcaption id=\"caption-attachment-51907\" class=\"wp-caption-text\">123rfLimited\u00a9digicomphoto. Aliment contaminat per la toxina Clostridium botulinum<\/figcaption><\/figure>\n<p>Per aix\u00f2, d&#8217;una manera experimental i intu\u00eftiva, es van anar desenvolupant m\u00e8todes per consumir i conservar aliments de forma segura. En el moment en qu\u00e8 va esclatar la revoluci\u00f3 industrial es van superar nous reptes per a produir, en quantitats grans, productes que tinguessin certa durabilitat i garantissin la seguretat aliment\u00e0ria.<\/p>\n<h2>Com es produeixen les malalties de transmissi\u00f3 aliment\u00e0ria<\/h2>\n<p>Els perills que poden amena\u00e7ar la nostra salut a trav\u00e9s dels aliments s\u00f3n de diferents tipus, b\u00e0sicament <strong>qu\u00edmics<\/strong>, com toxines de fongs, residus de pesticides o metalls pesants i <strong>microbiol\u00f2gics<\/strong>, com bacteris, fongs o virus. En el primer cas hi ha a nivell europeu una \u00e0mplia normativa que regula i indica quins nivells s\u00f3n permesos i les empreses han de garantir que els compleixen. En el segon cas, quan els perills que atempten contra la salut p\u00fablica s\u00f3n microorganismes, no hi ha establerts l\u00edmits a la normativa ja que cada empresa ha d&#8217;establir els seus propis en funci\u00f3 dels seus productes per evitar les malalties de transmissi\u00f3 aliment\u00e0ria. L&#8217;objectiu sempre \u00e9s garantir la seguretat de l&#8217;aliment comercialitzat durant tota la seva vida \u00fatil o, el que \u00e9s el mateix, fins a la seva data de caducitat, \u00e9s a dir, fins al l\u00edmit a partir del qual no s&#8217;ha de consumir el producte ja que pot ser nociu per a la salut.<\/p>\n<p>Algunes malalties m\u00e9s habitualment transmeses pels aliments a causa de la pres\u00e8ncia de microorganismes s\u00f3n les seg\u00fcents:<\/p>\n<h3>Botulisme<\/h3>\n<p>Es tracta d&#8217;una malaltia poc habitual per\u00f2 que \u00e9s greu i fins i tot pot arribar a ser mortal. \u00c9s una intoxicaci\u00f3 causada per la ingesta d&#8217;aliments contaminats amb unes <strong>neurotoxines<\/strong> molt potents que es produeixen per <em>Clostridium botulinum<\/em>. Aquest microorganisme produeix espores resistents a temperatures altes que estan \u00e0mpliament presents en el medi ambient i que, en abs\u00e8ncia d&#8217;oxigen, germinen, creixen i produeixen toxines. De totes elles, la toxina botul\u00ednica A \u00e9s la que t\u00e9 m\u00e9s afinitat pel sistema nervi\u00f3s i \u00e9s m\u00e9s perillosa<\/p>\n<blockquote><p>El Botulisme \u00e9s una malaltia poc habitual per\u00f2 greu i fins i tot pot arribar a ser mortal<\/p><\/blockquote>\n<p>El botulisme no es transmet de persona a persona, sin\u00f3 que la seva transmissi\u00f3 \u00e9s via aliment\u00e0ria per ingesti\u00f3 d&#8217;aliments contaminats per <em>Clostridium botulinicum,<\/em> que estan mal preparats o conservats inadequadament. Els aliments que ho solen transmetre s\u00f3n les conserves casolanes, especialment les d&#8217;aliments vegetals, per\u00f2 tamb\u00e9 les de peixos i alguns productes carnis com el pernil o les salsitxes.<\/p>\n<h3>Salmonel\u00b7losis<\/h3>\n<p>\u00c9s la malaltia de transmissi\u00f3 aliment\u00e0ria m\u00e9s com\u00fa i \u00e9s produ\u00efda per diversos tipus de bacteris del g\u00e8nere <em>Salmonella<\/em>. Aquests microorganismes tenen una gran capacitat per sobreviure, i fins i tot reproduir-se, en ambients molt diversos durant molt de temps. Infecta tant a persones com a animals i tots dos poden ser portadors sense s\u00edmptomes. El focus principal de transmissi\u00f3 de <em>Samonella<\/em> \u00e9s el consum d&#8217;aig\u00fces i aliments contaminats. El contagi de persona a persona per via fecal-oral pot produir-se quan no hi ha una bona higiene de mans per part de l&#8217;infectat que contaminaria els aliments que manipula<\/p>\n<figure id=\"attachment_51910\" aria-describedby=\"caption-attachment-51910\" style=\"width: 1000px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-51910\" src=\"https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2021\/10\/alimentaria-2.jpg\" alt=\"\" width=\"1000\" height=\"667\" srcset=\"https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2021\/10\/alimentaria-2.jpg 1000w, https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2021\/10\/alimentaria-2-768x512.jpg 768w, https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2021\/10\/alimentaria-2-696x464.jpg 696w, https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2021\/10\/alimentaria-2-630x420.jpg 630w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><figcaption id=\"caption-attachment-51910\" class=\"wp-caption-text\">123rfLimited\u00a9vchalup<\/figcaption><\/figure>\n<p>Els aliments m\u00e9s freq\u00fcentment implicats s\u00f3n els ous, productes a base d&#8217;ou cru, la carn poc cuinada, especialment les aus de corral com el pollastre, la llet i els productes lactis que no hagin tingut uns bons tractaments t\u00e8rmics. Tamb\u00e9 es pot transmetre per aigua contaminada, fruites i hortalisses crues.<\/p>\n<h3>Campilobacteriosis<\/h3>\n<p>\u00c9s una zoonosi causada per uns bacteris en forma d&#8217;espiral que pertanyen al g\u00e8nere <em>Campylobacter<\/em>. La transmissi\u00f3 es produeix, sobretot, pel consum d&#8217;aliments contaminats, tot i que tamb\u00e9 per aig\u00fces en mal estat, aix\u00ed com pel contacte amb excrements d&#8217;animals. En aquest cas, tamb\u00e9 pot haver transmissi\u00f3 persona a persona, encara que sigui poc habitual. Igual que en el cas anterior, s&#8217;associa al consum de carn o productes carnis crus o poc cuinats, especialment aus de corral, i tamb\u00e9 es pot transmetre per llet crua o lactis que no han tingut tractament t\u00e8rmic. L&#8217;aigua o el gel fet amb aigua contaminada tamb\u00e9 \u00e9s una font d&#8217;infecci\u00f3.<\/p>\n<blockquote><p>La transmissi\u00f3 de persona a persona es produeix quan no hi ha una bona higiene de les mans per part de la persona infectada<\/p><\/blockquote>\n<h3>Escherichia coli<\/h3>\n<p>\u00c9s un bacteri que forma part de la microbiota habitual de l&#8217;intest\u00ed de persones i animals, i que s&#8217;elimina a trav\u00e9s dels excrements. Tot i que la majoria dels ceps s\u00f3n inofensius, alguns poden causar greus malalties. Pot sobreviure durant llargs per\u00edodes en el medi ambient, tant en el s\u00f2l com en l&#8217;aigua, podent proliferar en aigua i aliments d&#8217;origen animal i vegetal. La transmissi\u00f3 es produeix sobretot pel consum d&#8217;aliments i aigua contaminats, aix\u00ed com pel contacte amb animals i la seva femta.<\/p>\n<p>La transmissi\u00f3 de persona a persona (fecal-oral) es produeix quan no hi ha una bona higiene de les mans per part de la persona infectada. Els aliments que m\u00e9s freq\u00fcentment estan implicats en aquestes infeccions s\u00f3n la carn de bov\u00ed, especialment la carn picada i altres derivats com hamburgueses o salsitxes, quan es consumeixen crus o poc cuinats. Tamb\u00e9 pot ser focus d&#8217;infecci\u00f3 la llet crua o els seus derivats, els vegetals frescos, les llavors germinades i els sucs de fruites.<\/p>\n<p>Les malalties de transmissi\u00f3 aliment\u00e0ria s\u00f3n moltes, per\u00f2, en general, una bona higiene i una adequada preparaci\u00f3 i conservaci\u00f3 dels aliments s\u00f3n la millor garantia de seguretat, tant en la ind\u00fastria com a les nostres llars.<\/p>\n<ul>\n<li>Nota: aquest article est\u00e0 dirigit al consumidor i \u00e9s merament informatiu i no exhaustiu degut a la seva extensi\u00f3 limitada.<\/li>\n<\/ul>\n<p><strong>Autores:<\/strong>\u00a0N\u00faria Arranz, Enginyera t\u00e8cnica industrial, Tecn\u00f2loga d\u2019aliments |\u00a0Laura I. Arranz, Dra. Farmac\u00e8utica Dietista- Nutricionista<\/p>\n<p><a href=\"https:\/\/www.bioecoactual.com\/ca\/subscripcio\/\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>Subscriu-te<\/strong><\/a><strong> a la Newsletter i rep cada mes Bio Eco Actual gratis al teu correu<\/strong><\/p>\n<p><strong><em>Bio Eco Actual<\/em>, <em>el teu mensual 100% ecol\u00f2gic<\/em><br \/>\nLlegir <\/strong><a href=\"https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2021\/09\/BioEcoActual_Octubre_2021_Catala.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>Bio Eco Actual Octubre 2021<\/strong><\/a><\/p>\n<p><iframe style=\"border: none; width: 100%; height: 520px;\" src=\"\/\/e.issuu.com\/embed.html?d=bioecoactual_octubre_2021_catala&amp;hideIssuuLogo=true&amp;showOtherPublicationsAsSuggestions=true&amp;u=bioecoactual\" allowfullscreen=\"allowfullscreen\"> <\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"<p>En temps molt remots, abans que es conegu&eacute;s l&rsquo;exist&egrave;ncia dels nutrients, dels microorganismes i de les subst&agrave;ncies t&ograve;xiques, els nostres avantpassats ja sabien que alguns aliments podien ajudar a curar certes malalties i que altres, en segons quin estat, podien provocar efectes no desitjats, com malalties de transmissi&oacute; aliment&agrave;ria i fins i tot la mort.<\/p>\n","protected":false},"author":419,"featured_media":51908,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7176],"tags":[],"class_list":["post-51914","post","type-post","status-publish","format-standard","has-post-thumbnail","category-seguretat-alimentaria"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.0 (Yoast SEO v28.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Malalties de transmissi\u00f3 aliment\u00e0ria: botulisme, salmonel\u00b7losi, campilobacteriosi i E. coli<\/title>\n<meta name=\"description\" content=\"Existeixen moltes malalties de trasmissi\u00f3 aliment\u00e0ria i cal saber quines s\u00f3n per poder-les evitar. 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