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Food Stamp TGSE Agar    Prodotto

Simple and Easy Stamp Medium for Food Hygiene test: Staphylococcus aureus

Food Stamp is a prepared agar medium for Stamp method, on which agar stands up slightly above the rim of special Petri dish of 10 cm² . Take off the cap of Food Stamp and gently press the medium against the surface of specimen. The surface of agar is elastic enough to be pressed firmly against the specimen. Press against the different parts of the specimen when several kinds of Food Stamps are tested simultaneously. Put the cap again
immediately after pressing.

Incubate at 37° C for 48 hours or at room temperature for 72 - 96 hours.

Staphylococcus aureus forms black colonies with milky surroundings around the colonies.
S. aureus shows a positive egg yolk reaction. Black colony with negative egg yolk reaction is
not interpreted as S. aureus.

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