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Hardy Diagnostics PYR Test Kit and PYR Reagent are recommended for the detection of pyrolidonyl arylamidase (also called pyrolidonyl aminopeptidase) activity in certain groups of bacteria
such as Streptococcus pyogenes (group A strep)
Enterococcus spp.
some coagulase-negative staphylococci
and some Enterobacteriaceae
The PYR Test Kit contains filter paper impregnated with L-pyroglutamic acid beta-naphthylamide and a reagent bottle of chromogenic solution (PYR Reagent); 0.015% p-dimethylaminocinnamaldehyde
