Selective and differential dehydrated agar medium for microbiological detection and enumeration of enteric bacteria including Escherichia coli, Salmonella spp., Shigella spp. and coliforms in food, beverage, water and environmental testing.
MacConkey-Sorbitol Agar, catalogue No. 88902, is a granular dehydrated medium supplied by MilliporeSigma / Merck under the NutriSelect® Plus product line. According to ISO 16654:2001 methodology, this medium is formulated with agar, bile salts, crystal violet, neutral red, peptone, proteose peptone, sodium chloride and sorbitol to provide a selective environment that suppresses Gram-positive bacteria and differentiates enteric Gram-negative organisms based on their ability to ferment sorbitol. The medium is suitable for routine microbiological analysis and quality control of food, beverage, water and environmental samples.
Advantages
- Selective and differential for enteric Gram-negative bacteria, including Escherichia coli and coliforms.
- Contains sorbitol to differentiate E. coli and other fermenters.
- NutriSelect® Plus quality ensures reliable performance in microbiological workflows.
- Granulated dehydrated form allows flexible preparation of plates.
- Applicable to food, beverage, water and environmental microbiology quality testing.
Technical specifications
| Product name | MacConkey-Sorbitol Agar |
| Catalogue number | 88902 |
| Brand / quality | NutriSelect® Plus |
| Form | Dehydrated powder |
| Compliance standard | ISO 16654:2001 |
| Application | Selective and differential culture of enteric bacteria |
| Technique | Microbiological culture / differentiation |
| Suitable for | Escherichia coli; Salmonella spp.; Shigella spp.; coliforms |
| Typical use | Food, beverage, water and environmental testing |
| Prepared pH | 7.1 ± 0.2 (25 °C) |
| Storage conditions | 15–25 °C, dry |
| Brand | Merck |
| Pack size | 500 g |
