{"id":116861,"date":"2025-09-01T09:24:13","date_gmt":"2025-09-01T07:24:13","guid":{"rendered":"https:\/\/www.bioecoactual.com\/?p=116861"},"modified":"2025-09-01T09:24:38","modified_gmt":"2025-09-01T07:24:38","slug":"quimics-alimentacio-convencional","status":"publish","type":"post","link":"https:\/\/www.bioecoactual.com\/ca\/2025\/09\/01\/quimics-alimentacio-convencional\/","title":{"rendered":"Sabem qu\u00e8 mengem? Els qu\u00edmics a l\u2019alimentaci\u00f3 convencional"},"content":{"rendered":"<p>Al supermercat, tot est\u00e0 pensat al detall. La disposici\u00f3 i l\u2019ordre dels productes mostrats \u00e9s estrat\u00e8gic, buscant captar l\u2019atenci\u00f3 del consumidor a trav\u00e9s d\u2019un aspecte cur\u00f3s, una olor agradable i envasos colorits. Per\u00f2 darrere d\u2019aquesta aparen\u00e7a desitjable, moltes vegades passa desapercebut el conjunt de <strong>qu\u00edmics<\/strong> que passa als aliments en diferents fases del proc\u00e9s productiu, ja sigui durant el cultiu, el processament o la presentaci\u00f3 final.<br \/>\n<!--more--><\/p>\n<figure id=\"attachment_116854\" aria-describedby=\"caption-attachment-116854\" style=\"width: 1000px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-116854\" src=\"https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2025\/09\/alimentos-eco-1.jpg\" alt=\"evitar qu\u00edmicos en los alimentos\" width=\"1000\" height=\"667\" srcset=\"https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2025\/09\/alimentos-eco-1.jpg 1000w, https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2025\/09\/alimentos-eco-1-768x512.jpg 768w, https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2025\/09\/alimentos-eco-1-630x420.jpg 630w, https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2025\/09\/alimentos-eco-1-696x464.jpg 696w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><figcaption id=\"caption-attachment-116854\" class=\"wp-caption-text\">\u00a9Bio Eco Actual<\/figcaption><\/figure>\n<h2>Additius alimentaris, els ingredients protagonistes<\/h2>\n<p>Probablement hagis detectat que a la majoria d\u2019aliments i begudes que consumeixes di\u00e0riament s\u2019inclouen ingredients amb noms estranys o codificats per la lletra E seguida de n\u00fameros. Es tracta dels <strong>additius alimentaris<\/strong>, subst\u00e0ncies qu\u00edmiques que s\u2019afegeixen amb la intenci\u00f3 de modificar una o diverses caracter\u00edstiques d\u2019un producte i allargar-ne la vida \u00fatil (<strong>conservants<\/strong>), millorar l\u2019aspecte (<strong>colorants<\/strong> i <strong>espessidors<\/strong>), real\u00e7ar el sabor (<strong>potenciadors de sabor<\/strong>) o substituir certs ingredients, com el sucre (<strong>edulcorants artificials<\/strong>), entre altres objectius. Tot i aix\u00f2, el factor determinant \u00e9s el seu origen: els additius naturals s\u2019obtenen de plantes, animals o minerals, mentre que els artificials es creen mitjan\u00e7ant processos qu\u00edmics.<\/p>\n<h3>Residus que procedeixen del camp<\/h3>\n<p>En aquest c\u00f2ctel de subst\u00e0ncies \u00e9s habitual trobar restes de <strong>pesticides<\/strong> i <strong>herbicides<\/strong> utilitzats durant el cultiu de les mat\u00e8ries primeres. L\u2019agricultura convencional es recolza en productes de s\u00edntesi qu\u00edmica per al maneig de les males herbes i control biol\u00f2gic de plagues, com el <strong>glifosat<\/strong>, que poden romandre com a residu a les fruites, verdures i cereals que trobem al mercat.<\/p>\n<blockquote><p>Alguns processos industrials desencadenen transformacions en els aliments que poden suposar un risc per a la salut<\/p><\/blockquote>\n<p>En el cas de les carns, els lactis i altres productes d\u2019origen animal, tamb\u00e9 s\u2019hi afegeixen restes d\u2019<strong>antibi\u00f2tics <\/strong>i <strong>hormones<\/strong> utilitzats durant la cria intensiva de bestiar per augmentar la producci\u00f3. Un d\u2019ells \u00e9s la somatotropina bovina, m\u00e9s coneguda com a <strong>rBGH<\/strong> o l\u2019hormona de creixement bovina recombinada, present a la llet de vaca.<\/p>\n<h3>Originats durant el processament<\/h3>\n<p>Alguns processos industrials desencadenen transformacions en els aliments que poden suposar un risc per a la salut. Un exemple \u00e9s l\u2019<strong>acrilamida<\/strong>, una subst\u00e0ncia qu\u00edmica que es genera en certs midons quan se sotmeten a altes temperatures, per exemple, en fregir, enfornar o torrar patates, pa, galetes o productes arrebossats. Una cosa similar passa amb els<strong> olis hidrogenats<\/strong>, \u00e9s a dir, olis l\u00edquids que es transformen en greixos s\u00f2lids, donant lloc a la formaci\u00f3 de greixos trans.<\/p>\n<figure id=\"attachment_116857\" aria-describedby=\"caption-attachment-116857\" style=\"width: 1000px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-116857\" src=\"https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2025\/09\/alimentos-eco-2.jpg\" alt=\"evitar qu\u00edmicos en los alimentos\" width=\"1000\" height=\"667\" srcset=\"https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2025\/09\/alimentos-eco-2.jpg 1000w, https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2025\/09\/alimentos-eco-2-768x512.jpg 768w, https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2025\/09\/alimentos-eco-2-630x420.jpg 630w, https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2025\/09\/alimentos-eco-2-696x464.jpg 696w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><figcaption id=\"caption-attachment-116857\" class=\"wp-caption-text\">\u00a9Bio Eco Actual<\/figcaption><\/figure>\n<h3>La migraci\u00f3 de subst\u00e0ncies qu\u00edmiques dels envasos<\/h3>\n<p>L\u2019<strong>embolcall dels aliments<\/strong> \u00e9s un altre element de risc. Les subst\u00e0ncies qu\u00edmiques presents en els materials utilitzats als envasos \u2014especialment els que estan fabricats a base de <strong>pl\u00e0stic<\/strong>\u2014 poden migrar als productes i, per tant, infiltrar-se al nostre organisme, amb la capacitat de provocar alteracions en la salut.<\/p>\n<p>\u00c9s el cas de subst\u00e0ncies com el <strong>BPA<\/strong> (tamb\u00e9 coneguda com a <strong>bisfenol A<\/strong>) i els <strong>PFAS<\/strong> (subst\u00e0ncies perfluoroalquilades i polifluoroalquiladas), presents en multitud d\u2019envasos i utensilis que entren en contacte amb els aliments. Es poden trobar en ampolles i taps de pl\u00e0stic, les tapes herm\u00e8tiques dels envasos de vidre o el film transparent que envolta les fruites tallades, a m\u00e9s d\u2019estar presents en objectes culinaris utilitzats di\u00e0riament, com ara les paelles antiadherents o les pinces de pl\u00e0stic.<\/p>\n<h3>Riscos potencials demostrats<\/h3>\n<p>Si b\u00e9 a la Uni\u00f3 Europea i als Estats Units aquests qu\u00edmics estan regulats, el seu<strong> consum a llarg termini continua sent objecte d\u2019estudi<\/strong>. Reiterades investigacions cient\u00edfiques impulsades per autoritats de control i salut aliment\u00e0ria, com l\u2019Autoritat Europea de Seguretat Aliment\u00e0ria (EFSA), fa anys que estudien i adverteixen del potencial risc que aquestes subst\u00e0ncies t\u00f2xiques poden tenir sobre la salut, entre els quals destaquen<strong> efectes nocius per al sistema hormonal, metab\u00f2lic i immunol\u00f2gic<\/strong>. De fet, algunes d\u2019aquestes subst\u00e0ncies es vinculen amb al\u00b7l\u00e8rgies o intoler\u00e0ncies, alteracions hormonals (actuant com a disruptors endocrins) o un risc m\u00e9s gran de contraure malalties cr\u00f2niques, diabetis o c\u00e0ncer.<\/p>\n<blockquote><p>\u00c9s recomanable prioritzar aquells aliments frescos i m\u00ednimament processats, i sempre que sigui possible, optar per aliments de producci\u00f3 ecol\u00f2gica<\/p><\/blockquote>\n<h3>Com podem evitar-los?<\/h3>\n<p>El primer pas, i un dels fonamentals, \u00e9s<strong> revisar atentament les etiquetes dels productes<\/strong>. Hi consta el llistat d\u2019ingredients i totes les subst\u00e0ncies que componen un producte, inclosos els additius, ordenades de major a menor quantitat per pes. \u00c9s un m\u00e8tode pr\u00e0ctic per<strong> evitar comprar productes amb llistes llargues d\u2019additius innecessaris<\/strong>, a m\u00e9s d\u2019obtenir informaci\u00f3 addicional sobre alguns ingredients, la proced\u00e8ncia, la qualitat, la caducitat o el consum preferent del producte. Aix\u00ed mateix, \u00e9s recomanable prioritzar aquells<strong> aliments frescos i m\u00ednimament processats<\/strong>.<\/p>\n<p>Per reduir al m\u00e0xim els residus de pesticides, conv\u00e9 <strong>rentar correctament les fruites i verdures<\/strong> abans de consumir-les, especialment quan es tracta d\u2019espinacs, maduixes, col kale, ra\u00efm, pr\u00e9ssecs o cireres, les fruites i verdures m\u00e9s contaminades amb pesticides segons la llista <em>\u00abThe Dirty Dozen\u00bb<\/em> 2025. \u00c9s aconsellable fer-ho tamb\u00e9 encara que ens les mengem pelades, ja que els residus es poden transferir del ganivet a l\u2019interior de la fruita en fer els talls.<\/p>\n<p>Sempre que sigui possible, <strong>opta per<\/strong> <strong>aliments de producci\u00f3 ecol\u00f2gica<\/strong>. Aquest model agr\u00edcola utilitza t\u00e8cniques que respecten els cicles naturals de la terra i minimitzen o eviten l\u2019\u00fas de fertilitzants i pesticides sint\u00e8tics, promovent la biodiversitat i una alimentaci\u00f3 m\u00e9s saludable. Recorda que els pots identificar r\u00e0pidament gr\u00e0cies al segell de l&#8217;<strong>Euro Fulla<\/strong>.<\/p>\n<p><strong>Autora:\u00a0<\/strong>Ariadna Coma, Periodista<\/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><\/strong>, <em>el teu mensual 100% ecol\u00f2gic<\/em><strong><br \/>\nLlegir <\/strong><a href=\"https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2025\/08\/BioEcoActual_Setembre_2025.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>Bio Eco Actual Setembre 2025<\/strong><\/a><\/p>\n<p><iframe style=\"border: none; width: 100%; height: 520px;\" src=\"\/\/e.issuu.com\/embed.html?d=bioecoactual_setembre_2025&amp;hideIssuuLogo=true&amp;showOtherPublicationsAsSuggestions=true&amp;u=bioecoactual\" allowfullscreen=\"allowfullscreen\"> <\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Al supermercat, tot est&agrave; pensat al detall. La disposici&oacute; i l&rsquo;ordre dels productes mostrats &eacute;s estrat&egrave;gic, buscant captar l&rsquo;atenci&oacute; del consumidor a trav&eacute;s d&rsquo;un aspecte cur&oacute;s, una olor agradable i envasos colorits. Per&ograve; darrere d&rsquo;aquesta aparen&ccedil;a desitjable, moltes vegades passa desapercebut el conjunt de qu&iacute;mics que passa als aliments en diferents fases del proc&eacute;s productiu, [&hellip;]<\/p>\n","protected":false},"author":419,"featured_media":116857,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7166],"tags":[],"class_list":["post-116861","post","type-post","status-publish","format-standard","has-post-thumbnail","category-nutricio"],"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>Sabem qu\u00e8 mengem? 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