{"id":30929,"date":"2020-07-16T13:00:10","date_gmt":"2020-07-16T16:00:10","guid":{"rendered":"https:\/\/www.funverde.org.br\/blog\/?p=30929"},"modified":"2020-07-14T13:17:11","modified_gmt":"2020-07-14T16:17:11","slug":"microplasticos-contaminam-plantas-comestiveis","status":"publish","type":"post","link":"https:\/\/www.funverde.org.br\/blog\/microplasticos-contaminam-plantas-comestiveis\/","title":{"rendered":"Micropl\u00e1sticos contaminam plantas comest\u00edveis"},"content":{"rendered":"
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Por:\u00a0AGROLINK<\/a><\/strong> –\u00a0Leonardo Gottems<\/i><\/div>\n<\/div>\n<\/div>\n
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Alface e trigo podem absorver as part\u00edculas pelas ra\u00edzes<\/div>\n
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Cientistas da Academia Chinesa de Ci\u00eancias (CAS) descobriram recentemente que os micropl\u00e1sticos est\u00e3o realmente contaminando plantas comest\u00edveis, incluindo vegetais que ingerimos. O estudo foi publicado na Nature Sustainability<\/a> em 13 de julho de 2020.<\/p>\n

Micropl\u00e1sticos (MPs), isto \u00e9, pequenas part\u00edculas de pl\u00e1stico com menos de 5 mil\u00edmetros de comprimento, agora podem ser encontrados em todo o oceano e outros ecossistemas aqu\u00e1ticos, e at\u00e9 mesmo em nossos frutos do mar e no sal. O estudo foi liderado por LUO Yongming, professor do Instituto Yantai de Pesquisa da Zona Costeira (YIC) e do Instituto Nanjing de Ci\u00eancia do Solo da CAS.<\/p>\n

A maioria dos MPs \u00e9 emitida para o ambiente terrestre e se acumula em grandes quantidades no solo. Al\u00e9m disso, part\u00edculas secund\u00e1rias s\u00e3o formadas pela degrada\u00e7\u00e3o dos pl\u00e1sticos. As \u00e1guas residuais, uma importante fonte de \u00e1gua para irriga\u00e7\u00e3o agr\u00edcola, tamb\u00e9m cont\u00eam MPs de pequeno porte.<\/p>\n

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Apesar da preval\u00eancia de MPs em todo o ambiente, a quest\u00e3o da capta\u00e7\u00e3o de MPs pelas plantas n\u00e3o recebeu muita aten\u00e7\u00e3o. Durante d\u00e9cadas, os cientistas acreditaram que as part\u00edculas de pl\u00e1stico eram simplesmente grandes demais para atravessar as barreiras f\u00edsicas do tecido vegetal intacto. Mas este novo estudo refuta essa suposi\u00e7\u00e3o.<\/p>\n

“As rachaduras nos locais emergentes de novas ra\u00edzes laterais das culturas de alface e trigo podem absorver MPs do solo e da \u00e1gua circundantes. Esses MPs podem ser transferidos das ra\u00edzes para as partes comest\u00edveis da colheita”, disse o professor LUO.<\/p>\n

Os cientistas j\u00e1 sabiam que part\u00edculas t\u00e3o pequenas quanto 50 nan\u00f4metros de tamanho poderiam penetrar nas ra\u00edzes das plantas. Mas o grupo do Prof. LUO revelou que part\u00edculas com cerca de 40 vezes esse tamanho tamb\u00e9m podem entrar nas plantas.<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Por:\u00a0AGROLINK –\u00a0Leonardo Gottems Alface e trigo podem absorver as part\u00edculas pelas ra\u00edzes Cientistas da Academia Chinesa de Ci\u00eancias (CAS) descobriram recentemente que os micropl\u00e1sticos est\u00e3o realmente contaminando plantas comest\u00edveis, incluindo vegetais que ingerimos. O estudo foi publicado na Nature Sustainability em 13 de julho de 2020. Micropl\u00e1sticos (MPs), isto \u00e9, pequenas part\u00edculas de pl\u00e1stico com…<\/p>\n","protected":false},"author":2,"featured_media":30698,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[150,103,54,59],"post_series":[],"class_list":["post-30929","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-geral","tag-micro","tag-microplastico","tag-sacola-plastica-de-uso-unico-plastic-bag-plastico-convencional-eterno-plastico-poluidor-plastico-poluicao-500-anos","tag-poluicao-pollution","entry","has-media"],"yoast_head":"\nMicropl\u00e1sticos contaminam plantas comest\u00edveis - FUNVERDE<\/title>\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.funverde.org.br\/blog\/microplasticos-contaminam-plantas-comestiveis\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Micropl\u00e1sticos contaminam plantas comest\u00edveis - FUNVERDE\" \/>\n<meta property=\"og:description\" content=\"Por:\u00a0AGROLINK –\u00a0Leonardo Gottems Alface e trigo podem absorver as part\u00edculas pelas ra\u00edzes Cientistas da Academia Chinesa de Ci\u00eancias (CAS) descobriram recentemente que os micropl\u00e1sticos est\u00e3o realmente contaminando plantas comest\u00edveis, incluindo vegetais que ingerimos. O estudo foi publicado na Nature Sustainability em 13 de julho de 2020. 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