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.
Farlex Partner Medical Dictionary © Farlex 2012

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.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

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.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

peptone

a soluble product resulting from protein hydrolysis. see PEPSIN, PEPTIDASE.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
References in periodicals archive ?
Coli was made using groundnut peptone water and conventional peptone water.
With a sterile wire loop, few colonies of each of the isolates were emulsified in 5 ml of sterile peptone water to a turbidity corresponding to 0.5 McFarland standard.
Pre-enrichment in Alkaline Peptone Water allows Vibrio species to grow to detectable levels prior to plating on a suitable culture medium, such as TCBS (CM0333) or Blood Agar.
Isolation in the latter study included an alkaline peptone water enrichment step, which may explain the higher prevalence rate.
jejuni cells suspended in peptone water. As part of this work, the researchers developed a PEF protocol to inactivate C.
enteriditis was achieved in 0.1% peptone water after continuous pressurization at 60,000 psi and 25 C for 5 minutes.
coli O157:H7 cells from an overnight culture, washed them with sterilized peptone water and inoculated them into lactic acid or acetic acid at about 106 CFU per ml.
Bacteria-inoculated (4 logs CFU per mL) 0.1 % buffered peptone water at pH 7.4 was treated at 100 MPa, 200 MPa and 300 MPa for both 1 minute and 5 minutes at 20 C, using a discontinuous isostatic system.
One-gram samples of the heated seeds were taken by the scientists, who diluted them in peptone water and mascerated them.