{"id":189463,"date":"2026-03-12T13:41:31","date_gmt":"2026-03-12T12:41:31","guid":{"rendered":"https:\/\/www.ainia.com\/?p=189463"},"modified":"2026-04-02T13:22:14","modified_gmt":"2026-04-02T12:22:14","slug":"probiotico-lactobacillus-reuteri-para-que-serve-tipos-e-beneficio","status":"publish","type":"post","link":"https:\/\/www.ainia.com\/pt\/ainia-news\/probiotico-lactobacillus-reuteri-para-que-serve-tipos-e-beneficio\/","title":{"rendered":"Probi\u00f3tico Lactobacillus reuteri: para que serve, tipos e benef\u00edcio"},"content":{"rendered":"<html><body><article>\n<nav aria-label=\"\u00cdndice do artigo\">\n<p id=\"indice\">Neste artigo explicamos tudo sobre o <strong>probi\u00f3tico<\/strong> <em><strong>Lactobacillus reuteri<\/strong><\/em>, conhecido pela sua capacidade de modular a microbiota, produzir compostos antimicrobianos e apoiar a barreira intestinal. Tamb\u00e9m iremos rever as <strong>propriedades, tipos\/estirpes<\/strong> mais utilizados, os <strong>benef\u00edcios<\/strong> e as chaves de <strong>conce\u00e7\u00e3o e avalia\u00e7\u00e3o<\/strong> necess\u00e1rias para os transformar em produtos vi\u00e1veis.<\/p>\n<\/nav>\n<section id=\"intro\">\n<ul>\n<li><strong><a href=\"#intro\"><em>Lactobacillus reuteri<\/em>: propriedades, benef\u00edcios e aplica\u00e7\u00f5es<\/a><\/strong><\/li>\n<li><strong><a href=\"#propiedades\">Propriedades de <em>Lactobacillus reuteri<\/em><\/a><\/strong><\/li>\n<li><strong><a href=\"#beneficios\">Benef\u00edcios do probi\u00f3tico <em>Lactobacillus reuteri<\/em><\/a><\/strong><\/li>\n<li><strong><a href=\"#aplicaciones\">Aplica\u00e7\u00f5es industriais emergentes<\/a><\/strong><\/li>\n<li><strong><a href=\"#tipos\">Probi\u00f3tico <em>Lactobacillus reuteri<\/em>: tipos<\/a><\/strong><\/li>\n<li><strong><a href=\"#diseno\">Probi\u00f3tico <em>Lactobacillus reuteri<\/em>: conce\u00e7\u00e3o e avalia\u00e7\u00e3o<\/a><\/strong><\/li>\n<\/ul>\n<\/section>\n<section id=\"propiedades\">\n<h2><strong>Propriedades de <em>Lactobacillus reuteri<\/em>: para que serve?<\/strong><\/h2>\n<p>Os <a href=\"https:\/\/www.ainia.com\/pt\/probioticos\/\"><strong>probi\u00f3ticos<\/strong><\/a> s\u00e3o amplamente conhecidos pelos seus benef\u00edcios na sa\u00fade digestiva, imunol\u00f3gica e at\u00e9 oral. O <strong>probi\u00f3tico <em>Lactobacillus reuteri<\/em><\/strong> \u00e9 um <strong>microrganismo<\/strong> que coloniza naturalmente o trato gastrointestinal de humanos e outros mam\u00edferos. Destaca-se por tr\u00eas propriedades funcionais principais:<\/p>\n<ul>\n<li><strong>Capacidade de ades\u00e3o e modula\u00e7\u00e3o da microbiota:<\/strong><br>\nAdere \u00e0 mucosa intestinal, ajudando a <strong>equilibrar a microbiota<\/strong> e a favorecer uma comunidade mais est\u00e1vel.<\/li>\n<li><strong>Produ\u00e7\u00e3o de compostos bioativos:<\/strong><br>\nAlgumas estirpes, capazes de metabolizar glicerol, produzem <strong>reuterina<\/strong> e outras subst\u00e2ncias antimicrobianas que <strong>inibem<\/strong> <strong>pat\u00f3genos<\/strong> (por exemplo, enterobact\u00e9rias ou Candida), contribuindo para a prote\u00e7\u00e3o colonizadora.<\/li>\n<li><strong>Al\u00e9m disso, a reuterina<\/strong> atua contra microrganismos patog\u00e9nicos como: E. coli, Salmonella, Clostridioides difficile ou Candida albicans. A sua atividade <strong>n\u00e3o depende do pH<\/strong> e \u00e9 eficaz em baixas concentra\u00e7\u00f5es. Isto torna-a um diferencial claro face a outros probi\u00f3ticos.<\/li>\n<li><strong>Efeito imunomodulador:<\/strong> pode <strong>modular a resposta inflamat\u00f3ria<\/strong> e apoiar a <strong>barreira<\/strong> <strong>intestinal<\/strong>, com impacto potencial em desconfortos digestivos funcionais (por exemplo, epis\u00f3dios de dor abdominal, distens\u00e3o ou tr\u00e2nsito alterado).<\/li>\n<\/ul>\n<\/section>\n<section id=\"beneficios\"><img decoding=\"async\" class=\"aligncenter wp-image-181163 size-large\" src=\"https:\/\/www.ainia.com\/wp-content\/uploads\/2025\/07\/microbiota-intestinal-encabezado-1024x683.jpg\" alt=\"Digestive system model illustrating gut microbiota and probiotic bacteria.\" width=\"1024\" height=\"683\" srcset=\"https:\/\/www.ainia.com\/wp-content\/uploads\/2025\/07\/microbiota-intestinal-encabezado-1024x683.jpg 1024w, https:\/\/www.ainia.com\/wp-content\/uploads\/2025\/07\/microbiota-intestinal-encabezado-300x200.jpg 300w, https:\/\/www.ainia.com\/wp-content\/uploads\/2025\/07\/microbiota-intestinal-encabezado-768x512.jpg 768w, https:\/\/www.ainia.com\/wp-content\/uploads\/2025\/07\/microbiota-intestinal-encabezado-1536x1024.jpg 1536w, https:\/\/www.ainia.com\/wp-content\/uploads\/2025\/07\/microbiota-intestinal-encabezado-2048x1365.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\">\n<h3><strong>Benef\u00edcios do probi\u00f3tico <em>Lactobacillus reuteri<\/em><\/strong><\/h3>\n<p>Os benef\u00edcios potenciais dependem da <strong>estirpe<\/strong>, da <strong>dose eficaz<\/strong>, da <strong>qualidade da formula\u00e7\u00e3o<\/strong> e da <strong>popula\u00e7\u00e3o-alvo<\/strong>.<\/p>\n<p>Os benef\u00edcios mais relevantes do probi\u00f3tico <em>Lactobacillus reuteri<\/em> s\u00e3o:<\/p>\n<ul>\n<li><strong>Sa\u00fade digestiva:<\/strong> apoio em diarreias agudas, preven\u00e7\u00e3o da diarreia associada a antibi\u00f3ticos, desconfortos gastrointestinais funcionais e regula\u00e7\u00e3o do tr\u00e2nsito intestinal.<\/li>\n<li><strong>Sa\u00fade oral:<\/strong> redu\u00e7\u00e3o da placa e da halitose, e apoio \u00e0s gengivas.<\/li>\n<li><strong>Sa\u00fade infantil:<\/strong> apoio digestivo em lactentes.<\/li>\n<li><strong>Sa\u00fade metab\u00f3lica\/inflamat\u00f3ria:<\/strong> sinais de modula\u00e7\u00e3o de citocinas e do eixo intestino-sistema imunit\u00e1rio.<\/li>\n<\/ul>\n<\/section>\n<section id=\"aplicaciones\">\n<h3><strong>Aplica\u00e7\u00f5es industriais emergentes<\/strong><\/h3>\n<ul>\n<li><strong>Biofilmes ben\u00e9ficos na aquicultura:<\/strong> algumas estirpes s\u00e3o utilizadas para competir com Vibrio.<\/li>\n<li><strong>Utiliza\u00e7\u00e3o na alimenta\u00e7\u00e3o animal:<\/strong> melhoria da sa\u00fade intestinal em leit\u00f5es e aves.<\/li>\n<li><strong>Aplica\u00e7\u00f5es em sa\u00fade oral (PTA 5289):<\/strong><\/li>\n<\/ul>\n<ol>\n<li>redu\u00e7\u00e3o de <em>Streptococcus mutans<\/em><\/li>\n<li>modula\u00e7\u00e3o do biofilme oral<\/li>\n<li>utiliza\u00e7\u00e3o em pr\u00f3teses dent\u00e1rias<\/li>\n<\/ol>\n<\/section>\n<section id=\"tipos\">\n<h2>Probi\u00f3tico <em>Lactobacillus reuteri<\/em>: tipos<\/h2>\n<p>Nos probi\u00f3ticos, o tipo de estirpe define a utiliza\u00e7\u00e3o, a evid\u00eancia cient\u00edfica e a forma ideal de formula\u00e7\u00e3o.<\/p>\n<p><strong>Estes s\u00e3o os crit\u00e9rios que deve considerar ao selecionar uma estirpe:<\/strong><\/p>\n<ul>\n<li>Indica\u00e7\u00e3o e popula\u00e7\u00e3o-alvo claramente definidas<\/li>\n<li>Estirpe com dossi\u00ea cient\u00edfico rastre\u00e1vel e dep\u00f3sito em cole\u00e7\u00e3o reconhecida<\/li>\n<li>Dose eficaz expressa em UFC por dia e forma de administra\u00e7\u00e3o adequada<\/li>\n<li>Estabilidade real ao longo da vida \u00fatil e compatibilidade com os restantes ingredientes<\/li>\n<li>Conformidade regulamentar e estrat\u00e9gia de rotulagem clara<\/li>\n<\/ul>\n<h3><strong>Estirpe DSM 17938<\/strong><\/h3>\n<p>\u00c9 a refer\u00eancia mais utilizada na sa\u00fade digestiva, com especial foco na popula\u00e7\u00e3o infantil. A evid\u00eancia cient\u00edfica apoia os seus benef\u00edcios gastrointestinais, a redu\u00e7\u00e3o de epis\u00f3dios de diarreia e o equil\u00edbrio do tr\u00e2nsito intestinal.<\/p>\n<p>\u00c9 frequentemente utilizada em formula\u00e7\u00f5es l\u00edquidas e em p\u00f3, com <strong><a href=\"https:\/\/www.ainia.com\/pt\/microencapsulacao\/\">matrizes concebidas para proteger a viabilidade<\/a> <\/strong>durante o armazenamento e a utiliza\u00e7\u00e3o.<\/p>\n<h3><strong>Estirpe ATCC PTA 6475<\/strong><\/h3>\n<p>Selecionada pelo seu perfil imunomodulador e pelo apoio \u00e0 integridade da barreira intestinal. Destina-se a adultos e a desenvolvimentos que procuram modular inflama\u00e7\u00e3o de baixo grau.<\/p>\n<p>Requer um trabalho cuidadoso de estabilidade e de sele\u00e7\u00e3o de excipientes que preservem a funcionalidade e a contagem vi\u00e1vel.<\/p>\n<h3><strong>Estirpe ATCC PTA 5289<\/strong><\/h3>\n<p>Habitual em solu\u00e7\u00f5es de sa\u00fade oral. Tem sido utilizada em combina\u00e7\u00f5es focadas na redu\u00e7\u00e3o da placa, controlo do mau h\u00e1lito e cuidado gengival.<\/p>\n<p>A forma de administra\u00e7\u00e3o pode assumir diferentes formatos:<\/p>\n<ul>\n<li>Comprimidos bucais<\/li>\n<li>Gomas<\/li>\n<li>Formatos de liberta\u00e7\u00e3o local<\/li>\n<\/ul>\n<p>Estes formatos maximizam o contacto com o biofilme e potenciam o efeito.<\/p>\n<h3><strong>Estirpe ATCC 55730<\/strong><\/h3>\n<p>Historicamente relevante pela sua utiliza\u00e7\u00e3o cl\u00ednica, embora a sua substitui\u00e7\u00e3o pela DSM 17938 tenha respondido a crit\u00e9rios de seguran\u00e7a relacionados com determina\u00e7\u00f5es de resist\u00eancia a antibi\u00f3ticos.<\/p>\n<\/section>\n<section id=\"diseno\">\n<h2>Probi\u00f3tico <em>Lactobacillus reuteri<\/em>: conce\u00e7\u00e3o e avalia\u00e7\u00e3o<\/h2>\n<p>Para <strong>transformar um probi\u00f3tico num produto competitivo, fi\u00e1vel, seguro e eficaz<\/strong>, o desenvolvimento deve integrar a sele\u00e7\u00e3o de estirpes, formula\u00e7\u00e3o, valida\u00e7\u00e3o pr\u00e9-cl\u00ednica e cl\u00ednica, bem como uma estrat\u00e9gia regulamentar e de vida \u00fatil coerente.<\/p>\n<p>Na AINIA abordamos todo o ciclo com foco no <strong>desempenho real do probi\u00f3tico e na sua viabilidade at\u00e9 ao final da vida \u00fatil<\/strong>.<\/p>\n<ul>\n<li><strong>Defini\u00e7\u00e3o da indica\u00e7\u00e3o e sele\u00e7\u00e3o de estirpes:<\/strong> definimos o objetivo de sa\u00fade e, a partir da\u00ed, estabelecemos o posicionamento: dose, forma de administra\u00e7\u00e3o e futuros endpoints cl\u00ednicos.<\/li>\n<li><strong>Formula\u00e7\u00e3o e estabilidade:<\/strong> otimizamos a matriz e os excipientes para <strong>proteger a viabilidade do microrganismo<\/strong> face ao oxig\u00e9nio, humidade e temperatura. Utilizamos tecnologias de estabiliza\u00e7\u00e3o comprovadas, como liofiliza\u00e7\u00e3o e secagem por atomiza\u00e7\u00e3o, e validamos o seu impacto na contagem vi\u00e1vel e na funcionalidade.<\/li>\n<li><strong>Valida\u00e7\u00e3o pr\u00e9-cl\u00ednica com modelos avan\u00e7ados:<\/strong> verificamos a sobreviv\u00eancia g\u00e1strica e intestinal e a funcionalidade atrav\u00e9s de um Digestor Din\u00e2mico in vitro, <a href=\"https:\/\/www.ainia.com\/pt\/microencapsulacao\/\">modelos de fermenta\u00e7\u00e3o col\u00f3nica e modelos celulares<\/a> que permitem estudar a resist\u00eancia gastrointestinal, a absor\u00e7\u00e3o e a modula\u00e7\u00e3o da microbiota.<\/li>\n<li><strong>Transla\u00e7\u00e3o cl\u00ednica e estrat\u00e9gia regulamentar:<\/strong> desenhamos estudos cl\u00ednicos alinhados com a indica\u00e7\u00e3o e a popula\u00e7\u00e3o-alvo, com vari\u00e1veis como dias de diarreia, conforto digestivo ou marcadores de inflama\u00e7\u00e3o, e colaboramos com centros de sa\u00fade para obter evid\u00eancia s\u00f3lida. Em paralelo, definimos o enquadramento regulamentar do produto, a rotulagem e os requisitos de qualidade.<\/li>\n<li><strong>Escala e controlo da vida \u00fatil:<\/strong> levamos o desenvolvimento \u00e0 escala piloto e industrial, selecionando embalagens barreira e condi\u00e7\u00f5es log\u00edsticas que preservem a viabilidade. Ao longo do processo realizamos estudos de estabilidade acelerada e em condi\u00e7\u00f5es reais, e revalidamos o desempenho na digest\u00e3o in vitro quando existem altera\u00e7\u00f5es significativas de formula\u00e7\u00e3o<img decoding=\"async\" class=\"aligncenter wp-image-186168 size-large\" src=\"https:\/\/www.ainia.com\/wp-content\/uploads\/2026\/01\/RRH_9178-1024x681.jpg\" alt=\"Genocare\" width=\"1024\" height=\"681\" srcset=\"https:\/\/www.ainia.com\/wp-content\/uploads\/2026\/01\/RRH_9178-1024x681.jpg 1024w, https:\/\/www.ainia.com\/wp-content\/uploads\/2026\/01\/RRH_9178-300x200.jpg 300w, https:\/\/www.ainia.com\/wp-content\/uploads\/2026\/01\/RRH_9178-768x511.jpg 768w, https:\/\/www.ainia.com\/wp-content\/uploads\/2026\/01\/RRH_9178-1536x1022.jpg 1536w, https:\/\/www.ainia.com\/wp-content\/uploads\/2026\/01\/RRH_9178-2048x1363.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><em><strong><span class=\"NormalTextRun SCXW129619890 BCX8\">Financiado pelo programa de\u00a0<\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW129619890 BCX8\">apoios<\/span><span class=\"NormalTextRun SCXW129619890 BCX8\">\u00a0\u00e0\u00a0<\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW129619890 BCX8\">contrata\u00e7\u00e3o<\/span><span class=\"NormalTextRun SCXW129619890 BCX8\">\u00a0de\u00a0<\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW129619890 BCX8\">jovens<\/span><span class=\"NormalTextRun SCXW129619890 BCX8\">\u00a0especializados em\u00a0<\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW129619890 BCX8\">internacionaliza\u00e7\u00e3o<\/span><\/strong><\/em><\/li>\n<\/ul>\n<p><img decoding=\"async\" class=\"alignnone wp-image-191115 size-large\" src=\"https:\/\/www.ainia.com\/wp-content\/uploads\/2026\/02\/Imagen1-1024x109.png\" alt=\"\" width=\"1024\" height=\"109\" srcset=\"https:\/\/www.ainia.com\/wp-content\/uploads\/2026\/02\/Imagen1-1024x109.png 1024w, https:\/\/www.ainia.com\/wp-content\/uploads\/2026\/02\/Imagen1-300x32.png 300w, https:\/\/www.ainia.com\/wp-content\/uploads\/2026\/02\/Imagen1-768x82.png 768w, https:\/\/www.ainia.com\/wp-content\/uploads\/2026\/02\/Imagen1-1536x164.png 1536w, https:\/\/www.ainia.com\/wp-content\/uploads\/2026\/02\/Imagen1.png 1878w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><\/p>\n<\/section>\n<\/article>\n<\/body><\/html>","protected":false},"excerpt":{"rendered":"<p>Neste artigo explicamos tudo sobre o probi\u00f3tico Lactobacillus reuteri, conhecido pela sua capacidade de modular a microbiota, produzir compostos antimicrobianos e apoiar a barreira intestinal. Tamb\u00e9m iremos rever as propriedades, tipos\/estirpes mais utilizados, os benef\u00edcios e as chaves de conce\u00e7\u00e3o e avalia\u00e7\u00e3o necess\u00e1rias para os transformar em produtos vi\u00e1veis. Lactobacillus reuteri: propriedades, benef\u00edcios e aplica\u00e7\u00f5es [&hellip;]<\/p>\n","protected":false},"author":286,"featured_media":189106,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[1963],"tags":[],"class_list":["post-189463","post","type-post","status-publish","format-standard","hentry","category-inovacao-tecnologica"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Probi\u00f3tico Lactobacillus reuteri: para que serve, tipos e benef\u00edcio - AINIA<\/title>\n<meta name=\"description\" content=\"Descubra as propriedades, benef\u00edcios, estirpes e aplica\u00e7\u00f5es do probi\u00f3tico Lactobacillus reuteri, bem como os crit\u00e9rios de conce\u00e7\u00e3o e avalia\u00e7\u00e3o para desenvolver produtos probi\u00f3ticos vi\u00e1veis.\" \/>\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.ainia.com\/pt\/ainia-news\/probiotico-lactobacillus-reuteri-para-que-serve-tipos-e-beneficio\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Probi\u00f3tico Lactobacillus reuteri: para que serve, tipos e benef\u00edcio - 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