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PYR
Cat. # Desc. Qty. Unit
261196 PYR 50 SP
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Intended Use:

BBL™ PYR Reagent Droppers are used in the rapid presumptive identification of group A β-hemolytic streptococci and group D enterococci.1,2

Catalog # Description Quantity Unit
261196 PYR
Used in the rapid identification of Group A streptococci and enterococci
 50 SP


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PYR Reagent Droppers
Revision: 1106    Revision Date: 11/01/2006   
Intended Use: «

BBL™ PYR Reagent Droppers are used in the rapid presumptive identification of group A β-hemolytic streptococci and group D enterococci.1,2

Intended Use: » Intended Use:

BBL™ PYR Reagent Droppers are used in the rapid presumptive identification of group A β-hemolytic streptococci and group D enterococci.1,2

Product Summary: «

PYR Reagent Droppers are used in a rapid test for determining the ability of bacteria to produce pyrrolidonyl peptidase. The production of pyrrolidonyl peptidase (PYRase) has been widely used as an aid in differentiating certain streptococci species.1-3 Following incubation of organisms with a PYR substrate, the reagent (cinnamaldehyde) is added. Color development indicates a positive reaction. The color change is both rapid and long lasting, making results easy to interpret.

Product Summary: » Product Summary:

PYR Reagent Droppers are used in a rapid test for determining the ability of bacteria to produce pyrrolidonyl peptidase. The production of pyrrolidonyl peptidase (PYRase) has been widely used as an aid in differentiating certain streptococci species.1-3 Following incubation of organisms with a PYR substrate, the reagent (cinnamaldehyde) is added. Color development indicates a positive reaction. The color change is both rapid and long lasting, making results easy to interpret.

User Quality Control: « User Quality Control:

Examine the reagent for signs of deterioration (see "Product Deterioration"). Positive (Streptococcus pyogenes ATCC™ 19615 and Enterococcus faecalis ATCC 29212) and negative (Streptococcus agalactiae ATCC 10386) controls should be performed along with the organisms to be tested.

Quality control requirements must be performed in accordance with applicable local, state and/or federal regulations or accreditation requirements and your laboratory's standard Quality Control procedures. It is recommended that the user refer to pertinent NCCLS guidance and CLIA regulations for appropriate Quality Control practices.


Reagents: « Reagents:

PYR Reagent Droppers contain 0.5 mL of 0.015% p-dimethylaminocinnamaldehyde in acetic acid.


Warnings and Precautions: « Warnings and Precautions:

For in vitro Diagnostic Use.

Follow proper laboratory procedures in handling and disposing of infectious materials. PYR reagent is very acidic. Avoid contact with skin, eyes and mucous membranes. Rinse thoroughly with water if spilled.



Information shown on this page is a short summary extracted from the Package Insert, available as a PDF under the Related Documents section of this page.