{"id":5950,"date":"2021-06-19T16:32:00","date_gmt":"2021-06-19T21:32:00","guid":{"rendered":"https:\/\/vitroplantas.mx\/sitio\/?post_type=product&p=5950"},"modified":"2025-07-25T10:42:45","modified_gmt":"2025-07-25T16:42:45","slug":"agar-mac-conkey-500g","status":"publish","type":"product","link":"https:\/\/vitroplantas.mx\/sitio\/producto\/agar-mac-conkey-500g\/","title":{"rendered":"Agar Mac Conkey 500g"},"content":{"rendered":"

Agar Mac Conkey es un medio selectivo para el aislamiento de coliformes y bacterias lactosa positivas<\/p>\n

 <\/p>\n

Medio selectivo y diferencial recomendado para el aislamiento e identificaci\u00f3n de Enterobacterias a partir de muestras cl\u00ednicas, alimentos, agua, productos l\u00e1cteos y productos farmac\u00e9uticos. En este medio se a\u00edslan y diferencian bacilos ent\u00e9ricos Gram negativos fermentadores y no fermentadores de la lactosa. Agar Mac Conkey en su f\u00f3rmula original fue utilizado para diferenciar cepas de Salmonella de otros miembros del grupo coliforme. La f\u00f3rmula fue modificada para mejorar el crecimiento de cepas de Salmonella y Shigella y con ello tambi\u00e9n se mejoraron las reacciones diferenciales entre los microorganismos pat\u00f3genos ent\u00e9ricos y del grupo coliforme. El medio contiene gelatina y mezcla de peptonas que proporcionan los nutrientes b\u00e1sicos: nitr\u00f3geno, vitaminas, minerales y amino\u00e1cidos. La lactosa es el carbohidrato fermentable y proporciona la fuente de energ\u00eda. El cloruro de sodio favorece el crecimiento de Salmonella y Shigella. Las sales biliares y el cristal violeta son los agentes selectivos que inhiben a los microorganismos Gram positivos y permiten el crecimiento de microorganismos Gram negativos. El rojo neutro es el indicador de pH. El agar bacteriol\u00f3gico es el agente solidificante. Las colonias aisladas de bacterias que fermentan la lactosa son rosadas y pueden estar rodeadas de una zona de precipitado de sales biliares el cual es debido a una ca\u00edda en el pH por la fermentaci\u00f3n de la lactosa. Las colonias que no fermentan la lactosa, como la de Salmonella enterica serotipo Typhi, Salmonella enterica serotipo Paratyphi y Shigella dysenteriae permanecen incoloras.<\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

Agar Mac Conkey es un medio selectivo para el aislamiento de coliformes y bacterias lactosa positivas.<\/p>\n

Marca: MCD LAB
\nPresentaci\u00f3n: Frasco de 500g<\/p>\n","protected":false},"featured_media":5952,"comment_status":"open","ping_status":"closed","template":"","meta":{"rs_blank_template":"","rs_page_bg_color":"","slide_template_v7":""},"product_brand":[],"product_cat":[183],"product_tag":[],"class_list":["post-5950","product","type-product","status-publish","has-post-thumbnail","product_cat-microbiologia","first","instock","taxable","shipping-taxable","purchasable","product-type-simple"],"yoast_head":"\nAgar Mac Conkey 500g - Vitroplantas M\u00e9xico<\/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:\/\/vitroplantas.mx\/sitio\/producto\/agar-mac-conkey-500g\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Agar Mac Conkey 500g - Vitroplantas M\u00e9xico\" \/>\n<meta property=\"og:description\" content=\"Agar Mac Conkey es un medio selectivo para el aislamiento de coliformes y bacterias lactosa positivas. 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