peptone


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pep·tone

(pep'tōn),
Descriptive term applied to intermediate polypeptide products, formed in partial hydrolysis of proteins, that are soluble in water, diffusible, and not coagulable by heat; used in bacterial culture media.

peptone

/pep·tone/ (pep´tōn) a derived protein, or a mixture of cleavage products produced by partial hydrolysis of native protein.pepton´ic

peptone

(pĕp′tōn′)
n.
Any of various water-soluble protein derivatives formed by partial hydrolysis or digestion of proteins by an acid or enzyme, used in culture media in bacteriology.

pep·ton′ic (-tŏn′ĭk) adj.

peptone

[pep′tōn]
a derived protein, which may be produced by hydrolysis of a native protein with an acid or enzyme.

pep·tone

(pep'tōn)
Descriptive term applied to intermediate polypeptide products, formed in partial hydrolysis of proteins, that are soluble in water, diffusible, and not coagulable by heat; used in bacterial culture media.

peptone

a soluble product resulting from protein hydrolysis. see PEPSIN, PEPTIDASE.

peptone

protein derivative formed by partial hydrolysis of a protein.
References in periodicals archive ?
The positive effects of glucose and peptone may be associated with an increased availability of the carbon source and nitrogen sources, respectively, and which would be beneficial to the production of antifungal substances through prolonging the duration of production (21).
The nutrient factors tested included substrate concentration, MgSO4, yeast extract, NaCl, peptone and (NH4)2SO4.
Finally, the transformed cells were screened on yeast extract peptone detrose medium with sorbitol (YPDS) (1% [w/v] yeast extract, 2% [w/v] peptone, 2% [w/v] dextrose, 1 M sorbitol, and 2% [w/v] agar) plates containing zeocin at a final concentration of 100 [micro]g/mL.
CM2: Yeast extract 10, peptone 20 and sucrose 20 [6].
Other culture media used were nutrient agar media, Mac-Conkey media, blod agar media, peptone water and sugar media.
Furthermore, in order to investigate the effect of peptone feeding on transfection efficiency, three different sources of peptones with the greatest effect in the CD DG44 basal media were selected; Casein Tryptone Ni, Soy petone A2SC and Soy peptone E110.
These include the new PREPTM Buffered Peptone Water (ISO), the first in a line of bagged, sterile dehydrated culture media that are made ready to use simply by adding water.
These include the pPREP Buffered Peptone Water (ISO), the first in a line of bagged, sterile dehydrated culture media that are made ready-to-use simply by adding water.
To enrich coliforms/Escherichia coli selectively and screen the Shigella strains, we developed a medium which the ingredients and the corresponding roles are as follow: peptone from casein and soymeal provides amino acids and other nitrogenous substances making it a nutritious medium.
Skoog, 1962) containing different concentrations (see detail in Results section) of organic supplements including biotin (w/v), peptone (w/v), casein hydrolysate (w/v), yeast extract (w/v), coconut water (v/v), activated charcoal (w/v), sucrose (3%) and agar (7%).