Alpha Eosin Methylene Blue Agar, Levine - 500 g

Alpha Eosin Methylene Blue Agar, Levine - 500 g

# E05-103-500 g
Package size: 500 g
Brand: Alpha
Alpha Eosin Methylene Blue Agar, Levine - 500 g

DKK 675,00

Not in stock, delivery 1-2 weeks

Description

EMB (Eosin Methylene Blue) Agar, Levine is a selective and differentiating medium for the isolation and identification of Gram-negative Enterobacteriaceae.

Pancreate Digest of Gelatin provides essential nutrients for bacterial growth and Dipotassium Phosphate is the pH buffer. Lactose is the fermentable carbohydrate.

The dyes Eosin Y and Methylene Blue are toxic to most Gram-positive bacteria and serve as pH indicators. Rapid Lactose-fermenting microorganisms produce sufficient quantities of acid to shift the color of the pH indicators to dark purple. E. coli produces a characteristic green metallic sheen. Non-fecal coliforms cannot ferment Lactose and form normally-colored or colorless colonies on this medium. Agar is the gelifying agent.

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