{"id":2125,"date":"2022-01-02T18:05:00","date_gmt":"2022-01-02T12:20:00","guid":{"rendered":"https:\/\/microbenotes.com\/?p=2125"},"modified":"2023-01-13T13:31:30","modified_gmt":"2023-01-13T07:46:30","slug":"chocolate-agar","status":"publish","type":"post","link":"https:\/\/microbenotes.com\/chocolate-agar\/","title":{"rendered":"Chocolate Agar- Composition, Principle, Preparation, Results, Uses"},"content":{"rendered":"\n

Chocolate agar is essentially the same as blood agar except that during preparation the red blood cells are lysed when added to molten agar base. As a result, the cell lysis releases intracellular nutrients such as hemoglobin, hemin (\u201cX\u201d factor), and the coenzyme nicotinamide adenine dinucleotide (NAD or \u201cV\u201d factor) into the agar which is utilized by fastidious bacteria. Red blood cell lysis gives the medium a chocolate-brown coloration when prepared from which the agar gets its name. The most common bacterial pathogens that require this enriched medium for growth include Neisseria gonorrhoeae<\/em><\/strong> and Haemophilus <\/em><\/strong>species.<\/span><\/p>\n\n\n

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