{"id":5531,"date":"2016-02-26T02:00:00","date_gmt":"2016-02-26T02:00:00","guid":{"rendered":"https:\/\/nutritotal.com.br\/pro?p=5531"},"modified":"2021-04-20T17:39:03","modified_gmt":"2021-04-20T20:39:03","slug":"consumo-de-aa-aa-previne-dano-oxidativo","status":"publish","type":"post","link":"https:\/\/nutritotal.com.br\/pro\/consumo-de-aa-aa-previne-dano-oxidativo\/","title":{"rendered":"Consumo de a\u00e7a\u00ed previne dano oxidativo"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/nutritotal.com.br\/pro\/wp-content\/uploads\/2016\/02\/810-acai.jpg\" \/><\/p>\n<div><span>Um estudo publicado na revista <i>Nutrition<\/i> sugere que a ingest\u00e3o de polpa de a\u00e7a\u00ed (Euterpe oleracea Martius) melhora a atividade de enzimas antioxidantes e de biomarcadores celulares em mulheres saud\u00e1veis.<\/span><\/div>\n<div><span>\u00a0<\/span><\/div>\n<div><span>Barbosa e colaboradores conduziram um estudo de interven\u00e7\u00e3o nutricional com 35 mulheres saud\u00e1veis que foram instru\u00eddas a consumir 200 g\/dia de polpa de a\u00e7a\u00ed durante 4 semanas. Foram coletadas amostras de sangue, e foram medidas press\u00e3o arterial e par\u00e2metros antropom\u00e9tricos antes e depois do per\u00edodo experimental. Todas as participantes responderam a um question\u00e1rio de frequ\u00eancia alimentar antes do estudo.<\/span><\/div>\n<div><span>\u00a0<\/span><\/div>\n<div><span>As enzimas antioxidantes super\u00f3xido dismutase, catalase e glutationa; a produ\u00e7\u00e3o de esp\u00e9cies reativas de oxig\u00eanio (ROS) e a capacidade antioxidante total foram avaliadas em c\u00e9lulas polimorfonucleares. Tamb\u00e9m foram determinadas as concentra\u00e7\u00f5es s\u00e9ricas de prote\u00edna carbonil (marcador de dano oxidativo) e grupos sulfidrila (marcador de capacidade antioxidante).<\/span><\/div>\n<div><span>\u00a0<\/span><\/div>\n<div><span>Os resultados demonstraram que ap\u00f3s as 4 semanas houve aumento significativo na atividade da enzima catalase, na capacidade antioxidante total e na concentra\u00e7\u00e3o s\u00e9rica de grupos sulfidrila. Houve tamb\u00e9m uma redu\u00e7\u00e3o significativa na produ\u00e7\u00e3o de ROS e na concentra\u00e7\u00e3o s\u00e9rica de prote\u00edna carbonil.<\/span><\/div>\n<div><span>\u00a0<\/span><\/div>\n<div><span>O consumo total de energia, carboidratos, prote\u00ednas, lip\u00eddios totais e de equivalente metab\u00f3licos n\u00e3o foram sofreram altera\u00e7\u00e3o significativa.<\/span><\/div>\n<div><span>\u201cNossos resultados indicam que a ingest\u00e3o de a\u00e7a\u00ed na dieta modula a capacidade antioxidante \/ pr\u00f3-oxidante de mulheres saud\u00e1veis\u201d, concluem os autores. \u201cEstes resultados abrem caminho para uma melhor compreens\u00e3o dos efeitos da ingest\u00e3o di\u00e1ria de a\u00e7a\u00ed em humanos\u201d, afirmam.<\/span><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Um estudo publicado na revista Nutrition sugere que a ingest\u00e3o de polpa de a\u00e7a\u00ed (Euterpe oleracea Martius) melhora a atividade de enzimas antioxidantes e de biomarcadores celulares em mulheres saud\u00e1veis. \u00a0 Barbosa e colaboradores conduziram um estudo de interven\u00e7\u00e3o nutricional com 35 mulheres saud\u00e1veis que foram instru\u00eddas a consumir 200 g\/dia de polpa de a\u00e7a\u00ed [&hellip;]<\/p>\n","protected":false},"author":44,"featured_media":5530,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"divisao":[2186],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.5 - 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