Trypto Soy Broth without Dextrose is a liquid medium used for the cultivation of a wide variety of fastidious and non-fastidious microorganisms. The inclusion of Casein Peptone and Soy Peptone to the formula enhances the growth of many fastidious microorganisms without the addition of blood or serum. It can support the growth of a wide variety of microorganisms including aerobes, anaerobes and fungi. Sodium Chloride provides essential electrolytes and maintains the osmotic equilibrium. Dipotassium Phosphate acts as a pH buffer.