Deoxycholate Hydrogen Sulfide Lactose Agar
- Product Code: 168201
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| Density: | Storage Condition: | Room temperature, away from light, dry |
Product Description:
Used in microbiology for the selective isolation and differentiation of enteric pathogens, particularly Salmonella and Shigella species, from clinical and non-clinical samples. The medium inhibits the growth of Gram-positive bacteria and normal intestinal flora using deoxycholate, allowing selective growth of Gram-negative enteric bacteria. Lactose is included as a fermentable carbohydrate to differentiate lactose fermenters (which produce acid, leading to color changes) from non-fermenters. Hydrogen sulfide production is detected through the formation of black colonies or centers, typically due to iron compounds in the medium reacting with H₂S, aiding in the identification of Salmonella and some E. coli strains. Commonly used in food testing, water analysis, and clinical diagnostics for gastrointestinal infections.
Sizes / Availability / Pricing:
| Size | Availability | Price | Quantity |
|---|---|---|---|
| 250.000 G | 10-20 days | ฿2,220.00 |
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Deoxycholate Hydrogen Sulfide Lactose Agar
Used in microbiology for the selective isolation and differentiation of enteric pathogens, particularly Salmonella and Shigella species, from clinical and non-clinical samples. The medium inhibits the growth of Gram-positive bacteria and normal intestinal flora using deoxycholate, allowing selective growth of Gram-negative enteric bacteria. Lactose is included as a fermentable carbohydrate to differentiate lactose fermenters (which produce acid, leading to color changes) from non-fermenters. Hydrogen sulfide production is detected through the formation of black colonies or centers, typically due to iron compounds in the medium reacting with H₂S, aiding in the identification of Salmonella and some E. coli strains. Commonly used in food testing, water analysis, and clinical diagnostics for gastrointestinal infections.
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