Liberal Dictionary English Dictionary
peptone [pep-tohn] ExamplesWord Origin noun Biochemistry.
- any of a class of diffusible, soluble substances into which proteins are converted by partial hydrolysis.
Origin of peptone 1855–60; German Pepton Greek peptón, neuter of peptós cooked, digested, verbid of péptein Related formspep·tone·like, adjectivepep·ton·ic [pep-ton-ik] /pɛpˈtɒn ɪk/, adjectivepep·to·noid [pep-tuh-noid] /ˈpɛp təˌnɔɪd/, noun Examples from the Web for peptone Historical Examples of peptone
Protein, under the same conditions, is changed to a peptone.
George William Hunter
Thus, 7.5 grammes of peptone dissolved in water in such proportion as to make a five per cent.
R. H. Chittenden
On the other hand, when peptone was introduced in larger quantity, viz., in a twenty per cent.
R. H. Chittenden
Further, it is not enough to admit the formation of a single intermediate body, midway between syntonin and peptone.
R. H. Chittenden
On now testing a portion of the clear filtrate for peptone by the biuret test, not a trace of a reaction could be obtained.
R. H. Chittenden
British Dictionary definitions for peptone peptone noun
- biochem any of a group of compounds that form an intermediary group in the digestion of proteins to amino acidsSee also proteose
Derived Formspeptonic (pɛpˈtɒnɪk), adjectiveWord Origin for peptone C19: from German Pepton, from Greek pepton something digested, from peptein to digest Word Origin and History for peptone n.
1860, from German Pepton, from Greek pepton, neuter of peptos “cooked, digested” (see peptic).
peptone in Medicine peptone [pĕp′tōn′] n.
- Any of various soluble compounds that do not coagulate, are obtained by acid or enzyme hydrolysis of natural protein, and are used as nutrients in culture media.
Related formspep•ton′ic (-tŏn′ĭk) adj.