Mackey and Sandy’s formulation this medium is popular for Urine Culture in the clinical laboratory. The lack of electrolytes inhibits the spreading of Proteus spp. and Bromothymol Blue indicator allows easy differentiation of Lactose and Non-Lactose fermenting organisms. Cystine is also present to benefit those organisms that have a particular Cystine requirement. Streptococcus pyogenes and many other fastidious organisms that do not require the presence of blood can grow on this medium.
PP0080 – CLED Agar
|Shelf Life (days)|
|Storage Temp (°C)|
|Staphylococcus aureus||NCTC 12981||Small yellow colonies|
|Proteus mirabilis||NCTC 10975||Blue / green colonies|
|Escherichia coli||NCTC 12241||Large yellow colonies|