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Merck

Natamycin as a fungicide in agar media.

Applied and environmental microbiology (1992-03-01)
J C Pedersen
ABSTRACT

Fungal inhibition in four commonly used agar media was improved by substituting natamycin (pimaricin) for cycloheximide. The recovery of bacteria was not affected by natamycin, whereas fungal contamination from a variety of samples was significantly suppressed. Furthermore, natamycin lacks the occupational health hazards of cycloheximide. Medium-dependent natamycin degradation occurred during the preparation and refrigerated storage of agar plates, but the addition of natamycin at 21.6 mug/ml resulted in effective residual activity.

MATERIALI
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Sigma-Aldrich
Pimaricin preparation, ~2.5% (γ-irradiated Pimaricin), aqueous suspension