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Definition of: peptone
(pep′tōn) noun Biochem.
Any of the soluble protein compounds into which the albuminous substances contained in food are converted when acted upon by pepsin, by acids and alkalis, by putrefaction, etc. [<G pepton <Gk., neut. of peptos digested, cooked <peptein digest]
—pep·ton·ic (pep·ton′ik) adjective
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