Chromogenic selective agar medium for simultaneous detection, differentiation and enumeration of coliforms and Escherichia coli in food, water and environmental microbiological testing.
ECC ChromoSelect Selective Agar, catalogue No. 85927, is a chromogenic and selective dehydrated culture medium supplied by MilliporeSigma / Merck under the NutriSelect® Plus product line. It is designed for the simultaneous detection, differentiation and enumeration of coliform bacteria and Escherichia coli from food, water and environmental microbiology samples. The formulation includes chromogenic substrates and selective components that suppress non-target microorganisms and enable visual differentiation of target colonies through distinct colour development. The medium’s nutrient base supports robust growth of target organisms under standard incubation conditions.
Advantages
- Chromogenic formulation enables visual differentiation of coliforms and E. coli colonies.
- Selective agents suppress non-target flora for clearer results.
- Grain-based powdered medium allows flexible preparation of agar plates.
- Suitable for routine microbiological quality control in food, beverage, water and environmental labs.
- NutriSelect® Plus quality ensures consistent performance.
Technical specifications
| Product name | ECC ChromoSelect Selective Agar |
| Catalogue number | 85927 |
| Brand / quality | NutriSelect® Plus |
| Form | Dehydrated powder |
| Application | Simultaneous detection and enumeration of coliforms and Escherichia coli |
| Technique | Selective chromogenic microbiological culture |
| Suitable for | Coliforms; Escherichia coli |
| Typical use | Food, beverage, water and environmental microbiology |
| Prepared pH | ~6.8 ± 0.2 |
| Storage conditions | 15–25 °C, dry |
| Brand | Merck |
| Pack size | 500 g |
