{"id":17510,"date":"2025-08-05T16:00:41","date_gmt":"2025-08-05T16:00:41","guid":{"rendered":"https:\/\/orickmedicosarl.com\/?post_type=product&#038;p=17510"},"modified":"2025-08-11T17:05:21","modified_gmt":"2025-08-11T17:05:21","slug":"mannitol-salt-agar-culture-medium","status":"publish","type":"product","link":"https:\/\/orickmedicosarl.com\/index.php\/product\/mannitol-salt-agar-culture-medium\/","title":{"rendered":"Mannitol Salt Agar Culture Medium"},"content":{"rendered":"<p class=\"ds-markdown-paragraph\"><strong>Mannitol Salt Agar (MSA)<\/strong>, also called\u00a0<strong>Chapman Agar<\/strong>, is a\u00a0<strong>selective and differential medium<\/strong>\u00a0used in microbiology to isolate and identify staphylococci, especially\u00a0<em>Staphylococcus aureus<\/em>.<\/p>\n<h3><strong>Key Characteristics:<\/strong><\/h3>\n<h4><strong>Selectivity:<\/strong><\/h4>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">Contains\u00a0<strong>7.5% sodium chloride<\/strong>, creating a high-salt environment that inhibits most bacteria except\u00a0<strong>halotolerant staphylococci<\/strong>.<\/p>\n<\/li>\n<\/ul>\n<h4><strong>Differentiation:<\/strong><\/h4>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">Distinguishes staphylococcal species based on\u00a0<strong>mannitol fermentation<\/strong>:<\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Mannitol Fermenters (e.g.,\u00a0<em>S. aureus<\/em>)<\/strong>: Produce acid, turning the\u00a0<strong>phenol red pH indicator<\/strong>\u00a0from red to yellow around colonies.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Non-Fermenters (e.g.,\u00a0<em>S. epidermidis<\/em>)<\/strong>: No acid production; the medium stays red or may turn magenta.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4><strong>Nutrient Composition:<\/strong><\/h4>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">Includes\u00a0<strong>peptones and beef extract<\/strong>\u00a0to support bacterial growth.<\/p>\n<\/li>\n<\/ul>\n<h4><strong>Applications:<\/strong><\/h4>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">Used for isolating\u00a0<strong>pathogenic staphylococci<\/strong>\u00a0from clinical, food, cosmetic, and water samples.<\/p>\n<\/li>\n<\/ul>\n<hr \/>\n","protected":false},"excerpt":{"rendered":"<p class=\"ds-markdown-paragraph\"><strong>Mannitol Salt Agar (MSA)<\/strong>, also called\u00a0<strong>Chapman Agar<\/strong>, is a\u00a0<strong>selective and differential medium<\/strong>\u00a0used in microbiology to isolate and identify staphylococci, especially\u00a0<em>Staphylococcus aureus<\/em>.<\/p>\n<h3><strong>Key Characteristics:<\/strong><\/h3>\n<h4><strong>Selectivity:<\/strong><\/h4>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">Contains\u00a0<strong>7.5% sodium chloride<\/strong>, creating a high-salt environment that inhibits most bacteria except\u00a0<strong>halotolerant staphylococci<\/strong>.<\/p>\n<\/li>\n<\/ul>\n<h4><strong>Differentiation:<\/strong><\/h4>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">Distinguishes staphylococcal species based on\u00a0<strong>mannitol fermentation<\/strong>:<\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Mannitol Fermenters (e.g.,\u00a0<em>S. aureus<\/em>)<\/strong>: Produce acid, turning the\u00a0<strong>phenol red pH indicator<\/strong>\u00a0from red to yellow around colonies.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Non-Fermenters (e.g.,\u00a0<em>S. epidermidis<\/em>)<\/strong>: No acid production; the medium stays red or may turn magenta.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4><strong>Nutrient Composition:<\/strong><\/h4>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">Includes\u00a0<strong>peptones and beef extract<\/strong>\u00a0to support bacterial growth.<\/p>\n<\/li>\n<\/ul>\n<h4><strong>Applications:<\/strong><\/h4>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">Used for isolating\u00a0<strong>pathogenic staphylococci<\/strong>\u00a0from clinical, food, cosmetic, and water samples.<\/p>\n<\/li>\n<\/ul>\n<hr \/>\n","protected":false},"featured_media":17511,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[203],"product_cat":[167],"product_tag":[],"class_list":{"0":"post-17510","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-readymed","7":"product_cat-consumables","9":"first","10":"instock","11":"taxable","12":"shipping-taxable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/orickmedicosarl.com\/index.php\/wp-json\/wp\/v2\/product\/17510","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/orickmedicosarl.com\/index.php\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/orickmedicosarl.com\/index.php\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/orickmedicosarl.com\/index.php\/wp-json\/wp\/v2\/comments?post=17510"}],"version-history":[{"count":1,"href":"https:\/\/orickmedicosarl.com\/index.php\/wp-json\/wp\/v2\/product\/17510\/revisions"}],"predecessor-version":[{"id":17512,"href":"https:\/\/orickmedicosarl.com\/index.php\/wp-json\/wp\/v2\/product\/17510\/revisions\/17512"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/orickmedicosarl.com\/index.php\/wp-json\/wp\/v2\/media\/17511"}],"wp:attachment":[{"href":"https:\/\/orickmedicosarl.com\/index.php\/wp-json\/wp\/v2\/media?parent=17510"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/orickmedicosarl.com\/index.php\/wp-json\/wp\/v2\/product_brand?post=17510"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/orickmedicosarl.com\/index.php\/wp-json\/wp\/v2\/product_cat?post=17510"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/orickmedicosarl.com\/index.php\/wp-json\/wp\/v2\/product_tag?post=17510"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}