Specifications
| Appearance | Pale, Straw coloured gel |
| Container | 90mm Plate |
| Fill Volume | 18ml |
| Pack Size | 10 |
| Box/Case Size | 10x10 (100Plates) |
| Shelf Life | 6 weeks |
| Storage Temp | 2-8oC |
Chromogenic Vibrio Agar, 90mm Plate
A chromogenic medium for the isolation and selective chromogenic differentiation of Vibrio species from seafood.
Vibrio parahaemolyticus appear as blue/green colonies due to the chromogenic mixture in the formulation. Other Vibrio species may result in different coloured colonies.
Description
7090 – Chromogenic Vibrio Agar, 90mm Plate is a ready-to-use prepared plate supplied by SGL for routine microbiological testing. It is suitable for use in food and beverage; contract testing laboratories. Manufactured and quality controlled to SGL internal specifications.
Chromogenic Vibrio Agar is used for is the isolation and chromogenic differentiation of Vibrio species from seafood. As vibrio organisms naturally occur in sea water it suggests their need for sodium chloride, though some species can from in lower concentrations.
Peptone provides carbon, nitrogen and essential nutrients for organism growth, high sodium chloride concentration provides osmotic balance alongside the inhibition of competing microflora. Sodium thiosulphate, sodium citrate and sodium cholate inhibit gram negative and some gram positive bacteria, excluding Enterobacteriaceae. The alkaline environment of the medium increases selective isolation.
The chromogenic mixture enables differentiation based on enzymatic activity of B-galactosidase and B-glucosidase, resulting in distinct colony colours. Vibrio parahaemolyticus has B-glucosidase reaction causing a blue/green colony colour. The chromogenic mixture reduces the need for secondary biochemical testing.
SGL manufactures and quality-controls the product to its internal specifications and in compliance with ISO 9001 (reference FM37824). A UKAS-accredited laboratory operating to ISO/IEC 17025 (accreditation number 4356) tests the product. At the customer’s request, the laboratory can also perform additional specification testing.
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SKU: 7090
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