Cysteine lactose electrolyte deficient agar
- Cysteine lactose electrolyte deficient agar
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A clear CLED agar plate after cultivation
Colonies of lactose and non-lactose fermenting bacteria on CLED agar
CLED agar (cystine lactose electrolyte deficient medium) is a valuable non-inhibitory growth medium used in the isolation and differentiation of urinary organisms. Being electrolyte deficient, it prevents the swarming of Proteus species. Cystine promotes the formation of cystine-dependent dwarf colonies. Lactose fermenters produce yellow colonies on CLED agar; non-lactose fermenters appear blue. It has a pH of approximately 7.3. CLED agar contains:
Categories: Microbiological media
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