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

When placed in solutions enriched with bacteria chow called peptone, it took as little as five hours.

From Scientific American

Contains less peptone and less glycerine than Old Tuberculin.

From Project Gutenberg

The gastric juice acts upon the albuminous parts of the food, converting them into peptones, which can pass through organic membranes and thus enter the blood.

From Project Gutenberg

Spontaneous generation presupposes the origin of plasma-micellæ from molecules, and hence cannot be brought about by solutions of albumens or peptones, since these are micellar solutions.

From Project Gutenberg

All about him as he proceeded were glass containers, capillary pipettes, test tubes, Bunsen burners, and dialyzers of porous parchment paper whose wrappers described them as "permeable for peptones, but not for albumins."

From Project Gutenberg