Abstract
Trehalose-mannitol agar and various broth formulations thereof were evaluated for the differentiation of Staphylococcus epidermidis from other common coagulase-negative staphylococcal species isolated from human blood cultures. While this differentiation was accurately made on trehalose-mannitol agar in 18 h, modification of the medium to a broth formulation containing 2% each trehalose and mannitol in 0.2 ml of purple broth base provided greater than 95% accuracy when a heavy inoculum was incubated on a rotary shaker for at least 4 h.
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Selected References
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