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You are here:Home » Culture Media » Media-Microbiological » Tryptic Soy Broth (Powder)

Tryptic Soy Broth (Powder)


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USP soybean-casein digest broth for sterility testing and general purpose use. Supports growth of fastidious and non-fastidious microorganisms such as Clostridia and non-sporulating anaerobes.
Catalog #T8727-10
Suitable for GrowthNeisseria meningitides ATCC 13090
Streptococcus pneumoniae ATCC 6303
Streptococcus pyogenes ATCC 19615
Staphylococcus epidermidis ATCC 12228
Components shown as g/liter Dextrose 2.5 Potassium Phosphate Dibasic 2.5 Sodium Chloride 5.0 Enzymatic Digest of Soybean Meal 3.0 Pancreatic Digest of Casein 17.0 Total 30.0g/liter
Directions per LiterDissolve 30 grams per liter of ddH2O. Heat with stirring until dissolved. Dispense into appropriate containers, loosen caps and autoclave (15psi) for 15 minutes at 121ºC.
Storage and StabilityStore powdered media at RT. Opened bottles should be capped tightly and kept in a dark, low humidity environment. Prepared media should be kept refrigerated and used within a short period of time.
AppearanceLight beige, homogenous, free flowing powder
SolubilityLght amber, clear, complete
pH7.5 ± 0.2
Alternate namesCASO Broth, Casein Soya Broth, Soybean Casein digest Broth, TSB, Tryptone Soya Broth

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