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

Derived Forms

• peptonoid
  noun
• peptonic
  adjective
• peptonelike
  adjective

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

Wash the peptone emulsion into a litre flask with 600 c.c. distilled water.

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 peptone, 30 grammes, and emulsify it with 200 c.c. tap water, previously heated to about 60°C. 2.

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)

Pink colour which becomes violet with more copper sulphate = proteose and 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)