About this item
Trypticase soy broth, a nutritious medium supplemented with glycerol is used as a maintenance medium for the preservation of bacterial culture.
Enzymatic digests of protein substrates act as protective colloids
Bacterial stock cultures frozen and stored at –20 °C or below will remain viable for several months, and some may remain viable for years.
Glycerol is a cryoprotective agent that provides intracellular and extracellular protection against freezing.
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Specifications
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