EMB Agar is a selective and differential culture medium used primarily for the isolation and differentiation of Gram-negative enteric bacteria, particularly coliforms such as Escherichia coli and Enterobacter. It is widely used in clinical diagnostics, food and water testing, and pharmaceutical microbiology to identify lactose-fermenting organisms.

Key Features:

• Eosin Y and Methylene Blue: Act as both pH indicators and selective agents, inhibiting Gram-positive bacteria

• Lactose: Serves as the primary carbohydrate source to differentiate between lactose fermenters and non-fermenters

• Color Differentiation: Provides distinct colony appearances based on acid production

How It Works:

• Strong lactose fermenters (e.g., E. coli): Produce dark purple colonies with a metallic green sheen

• Weak fermenters (e.g., Enterobacter): Form pink to purple colonies

• Non-fermenters (e.g., Salmonella, Shigella): Appear colorless or transparent

• Gram-positive organisms: Growth inhibited by the eosin and methylene blue dyes

Applications:

• Isolation and differentiation of coliforms in water and food microbiology

• Clinical identification of E. coli and other enteric pathogens

• Pharmaceutical quality assurance and environmental monitoring

Premium Quality from BioLab – Officially Distributed in Iran

Eosin Methylene Blue Agar from BioLab is formulated with high-purity reagents and manufactured under strict quality control protocols to ensure consistent and reliable performance in microbiological testing.
In Iran, this product is officially and exclusively distributed by Fardad Azma Rad, the exclusive representative of BioLab.

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