Chromatic E.coli O157 - 90 mm Ready-to-Use Plates - Pack of 20 pcs


Chromatic™ E.coli O157 is a highly specialized chromogenic medium designed for the isolation and differentiation of Escherichia coli O157 in clinical and food samples. This product is essential for microbiology laboratories, food industries, and healthcare facilities that require a reliable method to identify the presence of this dangerous pathogen.

Product Features

• Packaging: 20 ready-to-use 90 mm plates


• Type of medium: Chromogenic, specific for E.coli O157


• Use: Isolation and differentiation of microorganisms in clinical and food samples

Method Principle

The Chromatic™ E.coli O157 medium is formulated with key ingredients that promote the selective growth of E.coli O157:

• Peptones, yeast extracts, and meat: Provide essential amino acids, nitrogen, minerals, and vitamins for bacterial growth.


• Sodium chloride: Maintains the osmotic balance of the medium, ensuring a favorable environment for microorganism growth.


• Sodium desoxycholate: Inhibits the growth of Gram-positive bacteria, allowing for more effective selection of E.coli O157.


• Chromogenic mixture: Allows for the identification of microorganisms through the color and morphology of colonies, facilitating visual analysis.


• Agar: Solidifying agent that provides a solid base for colony growth.

Warnings and Precautions

Although Chromatic™ E.coli O157 does not contain harmful substances in concentrations exceeding the limits set by current legislation, it is essential to follow certain precautions:

• Always consult the safety data sheet for correct and safe use of the product.


• Use exclusively in laboratory environments by adequately trained operators.


• Wear personal protective equipment (PPE) during handling of the plates.

Waste Disposal

The disposal of plates and contaminated materials must be carried out in accordance with current national and local regulations. It is important to follow guidelines to ensure safety and environmental protection.

Why Choose Chromatic E.coli O157?

Choosing Chromatic™ E.coli O157 means opting for a high-quality product designed to provide rapid and reliable results. Its advanced formulation and ease of use make it ideal for laboratories and healthcare facilities requiring precise analysis of contamination by E.coli O157.