Salmonella Shigella Agar is a moderately selective and differential medium for the isolation, cultivation, and differentiation of Gram-negative enteric microorganisms isolated from both clinical and nonclinical specimens.

• Moderately selective medium
• Contains bile salts, brilliant green, and citrates

Salmonella Shigella Agar is designated as a moderately selective medium based upon the degree of inhibition of Gram-positive microorganisms which it inhibits due to its content of bile salts, brilliant green, and citrates.