peptone

[ pep-tohn ]

noun

, Biochemistry.

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

peptone

/ 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

Derived Forms

• peptonic, adjective

Other Words From

• peptone·like adjective
• pep·ton·ic [pep-, ton, -ik], adjective
• pep·to·noid [pep, -t, uh, -noid], noun

Word History and Origins

Origin of peptone¹

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

Word History and Origins

Origin of peptone¹

C19: from German Pepton, from Greek pepton something digested, from peptein to digest

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 pancreatic juice converts starch into sugar, albumins into peptones, and emulsionizes fats, so that all these kinds of food are rendered capable of absorption.

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