Product number: 7336
Beta-SSA Agar is used with blood for the selective isolation of group A streptococci. Group A streptococcal infections are the most common cause of bacterial pharyngitis in children 5 to 10 years old. Beta-SSA Agar is a highly selective agar developed for the isolation of group A beta-hemolytic streptococci. The selective agents in the medium inhibit Gram-negative bacteria and most Gram-positive bacteria, although some strains of group B beta-hemolytic streptococci may grow. Beta-SSA Agar is supplemented with 5% sheep blood to detect hemolytic patterns of streptococci.
|Enzymatic Digest of Casein||15 g|
|Enzymatic Digest of Soybean Meal||2.5 g|
|Sodium Chloride||5 g|
|Enriched Peptone||2.5 g|
|Selective Agents||0.3002 g|
Final pH: 7.3 ± 0.2 at 25°C
Formula may be adjusted and/or supplemented as required to meet performance specifications.
- Suspend 40 g of the medium in one liter of purified water.
- Heat with frequent agitation and boil for one minute to completely dissolve the medium.
- Autoclave at 121°C for 15 minutes.
- Prepare 5% blood agar by aseptically adding the appropriate volume of sterile defibrinated blood to melted sterile agar medium, cooled to 45 – 50°C.
|Product #||Product Description|
|7336A||Beta-SSA Agar, 500 g|
|7336B||Beta-SSA Agar, 2 kg|
|7336C||Beta-SSA Agar, 10 kg|