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Tryptone is a peptide formed by the digestion of casein (commonly found in milk) by the protease trypsin.

Tryptone is commonly used in microbiology to produce Lysogeny broth for the growth of E. coli. It provides a source of amino acids for the growing bacteria.

This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Tryptone". A list of authors is available in Wikipedia.
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