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22092 Tryptic Soy Broth - Dehydrated Culture Media, Merck

22092 Merck

Tryptic Soy Broth (TSB, Soybean Casein Digest Broth) is a highly nutritious, non-selective liquid medium used for the cultivation of a wide variety of fastidious and non-fastidious aerobic and anaerobic microorganisms, including bacteria, yeasts, and molds.

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Tryptic Soy Broth is a versatile general-purpose culture medium recommended for the isolation and cultivation of many microorganisms. It is widely used in pharmaceutical, food, and environmental testing, particularly for sterility testing and bioburden assessment. The medium is formulated with pancreatic digest of casein and papain digest of soybean meal, which provide nitrogen, vitamins, and minerals. Glucose serves as the energy source, and sodium chloride maintains the osmotic balance. This specific powdered formulation belongs to the NutriSelect® Plus line, ensuring high-quality control standards for routine microbiological analysis.

Advantages

  • Supports luxuriant growth of fastidious organisms without the need for additional serum.
  • Versatile application across clinical, pharmaceutical, food, and environmental microbiology.
  • Part of the NutriSelect® Plus product line with growth promotion testing according to industry standards.
  • Compliant with ISO 10273 and ISO 21871 for specific pathogen testing.
  • Clear visual results in a stable liquid format once prepared.

Technical specifications

Catalogue number 22092
Brand / Product line Millipore / NutriSelect® Plus
Synonyms TSB, CASO Broth, Soybean Casein Digest Broth
Form Powder (Light yellow)
Final pH 7.3 ± 0.2 (25 °C)
Composition (g/L) Casein peptone (17.0); Soya peptone (3.0); NaCl (5.0); Dipotassium hydrogen phosphate (2.5); Glucose (2.5)
Preparation 30.0 g/L
Quality Level 200

Available packaging options

22092-500G 500 g plastic bottle
Brand Merck