peptone

American  

[pep-tohn] / ˈpɛp toʊn /

noun

Biochemistry.

1. any of a class of diffusible, soluble substances into which proteins are converted by partial hydrolysis.

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peptone British  

/ pɛpˈtɒnɪk, ˈpɛptəʊn /

noun

1. biochem any of a group of compounds that form an intermediary group in the digestion of proteins to amino acids See also proteose

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Other Word Forms

• peptonelike adjective
• peptonic adjective
• peptonoid noun

Etymology

Origin of peptone

1855–60; < German Pepton < Greek peptón, neuter of peptós cooked, digested, verbid of péptein

Example Sentences

Luciferin seems to be either a peptone or a proteose.

From Time Magazine Archive

Weigh out Witté's peptone 10 grammes Sodium chloride 5 grammes Nutrose 10 grammes and dissolve in 200 c.c. of serum water heated to 80° C. 4.

From The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. by Eyre, J. W. H. (John William Henry)

Heat in the steamer at 100° C. for twenty minutes to complete the solution of the peptone.

From The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. by Eyre, J. W. H. (John William Henry)

Weigh out Witté's peptone, 25 grammes; salt, 5 grammes, and emulsify with 100 c.c. double strength meat extract previously heated to 60°C., and add to the contents of the flask.

From The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. by Eyre, J. W. H. (John William Henry)

Number ten tubes of peptone water consecutively from 1 to 10.

From The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. by Eyre, J. W. H. (John William Henry)