Tryptic (Trypticase) Soy Broth (Soybean-Casein Digest Medium) is a general-purpose medium used in qualitative procedures for the cultivation of fastidious and nonfastidious microorganisms from a variety of clinical and nonclinical specimens. Trypticase Soy Broth with 6.5% Sodium Chloride is used to differentiate Enterococcus spp. from the Streptococcus bovis group of streptococci. Trypticase Soy Broth with 5% Fildes Enrichment is used for the cultivation of fastidious organisms; e.g., Haemophilus influenzae. Tryptic Soy Broth without Dextrose, a low carbohydrate formulation of Tryptic Soy Broth, is used for cultivating fastidious and nonfastidious microorganisms.
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