acumedia* Klingler Iron Agar

• Intended Use: Kligler Iron Agar is used for the differentiation of microorganisms on the basis of dextrose and lactose fermentation and hydrogen sulfide production.
• Product Summary and Explanation: Kligler Iron Agar is a modification of Kliglers original formula, recommended to identify pure cultures of colonies picked from primary plating media. The original medium was a soft nutrient agar containing dextrose, Andrade indicator and lead acetate. Russell devised a medium containing glucose, lactose, and an indicator for the differentiation of lactose-fermenting and nonlactose-fermenting Gram-negative bacilli. Kligler found lead acetate could detect hydrogen sulfide when combined with Russell double sugar medium for the differentiation of typhoid, partyphoid, and dysentery groups. Bailey and Lacy simplified the formula by using phenol red as the pH indicator instead of Andrade indicator. A similar medium containing sucrose, tryptone, ferrous sulfate, and thiosulfate was developed by Sulkins and Willet.
Kligler Iron Agar is recommended for differentiation of enteric Gram-negative bacilli from clinical specimens and food samples.
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