Trypto Soy Broth, commonly referred to as Soybean-Casein Digest Medium or Tryptic Soy Broth, is used for the cultivation of a wide variety of 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.