Test for setting evidence of the bacteria Salmonella and Serratia genus and distinguishing genera Proteus and Providencia

THIS TEST IS PERFORMED IN THE PRESENCE OF SALT diazonium SUBSTRATE ENZYMATIC SYNTHETIC FORM OF ESTER HAVING A CHAIN ​​OF ALIPHATIC 7 CARBON 10ATOMES. TWO REACTIONS MAY BE MADE IN THE SAME REACTION MEDIUM. THE TEST MAY BE ASSOCIATED WITH OTHER TESTS SUCH AS TEST RESEARCH OF B-GLUCOSIDASE, THE B-GALACTOSIDASE, THE B-GLUCURONIDASE APPLY FOR THE SAME TIME THE DETECTION OF BACTERIA BELONGING TO OTHER TYPES: KLIEBSIELLA, ENTEROBACTER, Escherichia.