Description
Double-Strength 7.5% Sodium Chloride Broth Tubes
Introducing our Double-Strength 7.5% Sodium Chloride Broth Tubes, a highly effective medium designed specifically for the enrichment of Staphylococcus aureus in laboratory settings. Each pack contains 20 tubes of 10ml each, ensuring you have sufficient quantity for your microbiological testing needs. With a shelf life of six months, our product guarantees reliability and performance for your experiments.
Purpose and Composition
These 10ml broth tubes serve an essential role in microbial diagnostics, particularly for Staphylococcus aureus, a common pathogen linked to various infections. The broth’s unique formulation features peptone and beef extract, which provide essential carbon and nitrogen sources, along with vitamins and minerals. This rich nutrient base promotes robust microbial growth.
High Sodium Content
The high concentration of sodium chloride (7.5%) creates an elevated osmotic pressure environment, effectively suppressing most non-Staphylococcus species. This selective pressure ensures that your cultures are primarily enriched with Staphylococcus aureus, facilitating accurate detection and quantification.
Microbial Sensitivity Testing
The Double-Strength 7.5% Sodium Chloride Broth Tubes undergo rigorous quality control tests. When inoculated with quality control strains such as ATCC25923 and ATCC25922, the broth demonstrates exceptional performance. During a 36±1°C aerobic incubation for 18-24 hours, the expected results include:
Quality Control Strain | Strain Number | Inoculum Amount (CFU) | Reference Medium | Method | Quality Control Result | Characteristics |
---|---|---|---|---|---|---|
Staphylococcus aureus | ATCC25923 | 10 – 100, 1000 – 5000 | TSA | Semi-quantitative | >10 CFU on Barid-Parker | Black convex colonies with turbidity |
Staphylococcus aureus | ATCC6538 | 10 – 100, 1000 – 5000 | TSA | Semi-quantitative | >10 CFU on Barid-Parker | Black convex colonies with turbidity |
Escherichia coli | ATCC25922 | 1000 – 5000 | TSA | Semi-quantitative | <100 CFU on TSA | / |
Packaging and Convenience
Our plastic tube packaging ensures each 10ml tube is independently sealed to prevent contamination and leakage. This design enhances convenience for lab technicians and microbiologists, allowing for easy handling and storage. Each tube’s individual packaging maintains sterility and ensures reliable use during microbial testing. visit our [Ready-to-use culture medium] for more related products
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