Xylose Lysine Deoxycholate (XLD) Agar Composition, Preparation, Principle, Uses
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Culture Media

Xylose Lysine Deoxycholate (XLD) Agar Composition, Preparation, Principle, Uses

Xylose Lysine Deoxycholate agar (XLD) is a selective medium that allows for the isolation and growth of Salmonella and Shigella species using clinical samples or food. Taylor developed XLD Agar to aid in the differentiation, isolation and identification of enteric disease agents and support the growth more specialized enteric organisms. XLD Agar is a well-proven medium that allows the growth of Shigella species. It is also an excellent medium to isolate Salmonella species. It has a pH value of 7.4, giving it a bright pink to red color due to the indicator phenol.