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T8159 Sigma

Tryptose Phosphate Broth solution

sterile-filtered, suitable for cell culture



Related Categories Bacterial Culture Media, Microbial Media for Molecular Biology and Protein Expression, Molecular Biology, Tryptose Broth
Quality Level   GMP
sterility   sterile-filtered
concentration   29.5 g/L in deionized water
suitability   suitable for cell culture



Tryptose Phosphate Broth (TPB) is composed of four components: Tryptose (20g/L); Dextrose (2g/L); NaCl (5g/L) and Disodium Phosphate (2.5g/L) typically adjusted to pH 7.3. The tryptose component is a peptone (mixture of amino acids and short peptides) derived by the mixed enzymatic hydrolysis (pancreatic enzymes) of the milk protein casein. This hydrolysate provides a source of amino acid based nutrients and survival factors that support the growth of fastidious micro-organisms such as Brucella, Streptococcus, and Neisseria; as well as eukaryotic cells such as insect and animal cells. Dextrose provides a fermentable carbohydrate that can be used by fastidious mico-organisms. Sodium chloride maintains the osmotic and ionic equilibrium and disodium phosphate provides the basic buffering capacity.


In addition to its use for the growth of fastidious micro-organisms, Tryptose Phospate Broth (TPB) has been studied as supplement for the preparation of media that supports vaccine production in BHK-21 cells and the growth of SF21 insect cells in high-density perfusion culture stirred-tank bioreactors.

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Safety & Documentation

Safety Information

NONH for all modes of transport
WGK Germany 
Protocols & Articles


Cell Quantification

For the majority of manipulations using cell cultures, such as transfections, cell fusion techniques, cryopreservation and subculture routines it is necessary to quantify the number of cells prior to...
Cook Book Sept 2010 Volume 12
Keywords: Carcinogens, Cryopreservation

Cryopreservation of Cell Lines

The protocol below describes the use of passive methods involving an electric -80°C freezer for the cryopreservation of cell cultures. ECACC routinely use a programmable rate controlled freezer. This...
Cook Book Volume 12
Keywords: Cell culture, Cryopreservation, Phase transitions

Subculture of Adherent Cell Lines

Adherent cell lines will grow in vitro until they have covered the surface area available or the medium is depleted of nutrients. At this point the cell lines should be sub cultured in order to preve...
Cook Book Sept 2010 Volume 12, Fundamental Techniques in Cell Culture Laboratory Handbook-2nd Edition
Keywords: Adhesion

Subculture of Semi-Adherent Cell Lines

Some cultures grow as a mixed population (e.g. B95-8 - marmoset) where a proportion of cells do not attach to the tissue culture fl ask and remain in suspension. Therefore to maintain this heterogene...
Cook Book Sept 2010 Volume 12
Keywords: Cell culture

Subculture of Suspension Cell Lines

In general terms cultures derived from blood (e.g. lymphocytes) grow in suspension. Cells may grow as single cells or in clumps (e.g. EBV transformed lymphoblastoid cell lines). For these types of ce...
Cook Book Sept 2010 Volume 12
Keywords: Centrifugation, Growth factors

Peer-Reviewed Papers


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