- any of a class of diffusible, soluble substances into which proteins are converted by partial hydrolysis.
Origin of peptone
Examples from the Web for peptone
Historical Examples of peptone
Protein, under the same conditions, is changed to a peptone.A Civic Biology
George William Hunter
Thus, 7.5 grammes of peptone dissolved in water in such proportion as to make a five per cent.
On the other hand, when peptone was introduced in larger quantity, viz., in a twenty per cent.
Further, it is not enough to admit the formation of a single intermediate body, midway between syntonin and peptone.
On now testing a portion of the clear filtrate for peptone by the biuret test, not a trace of a reaction could be obtained.
- biochem any of a group of compounds that form an intermediary group in the digestion of proteins to amino acidsSee also proteose
Word Origin for peptone
Word Origin and History for peptone
1860, from German Pepton, from Greek pepton, neuter of peptos "cooked, digested" (see peptic).
- 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.