Home > Catalogo generale > Culture media and ISO confirmation tests > Tryptophane Broth – terreno liquido per la conferma di Escherichia coli con test dell’indolo a norma ISO9308

Tryptophane Broth – terreno liquido per la conferma di Escherichia coli con test dell’indolo a norma ISO9308

  • Brand: Bio-Rad
  • Format: 25 x 3 ml
  • Code: BR3554194
  • Technology: Culture media and ISO confirmation tests
  • Application: Food/Water microbiology
  • Tag/Filter: Escherichia coli and coliforms

Liquid culture medium, used in the analysis of waters. This tryptophan broth enables detection of indole production at 44°C in order to distinguish Escherichia coli bacteria from other coliforms according to ISO9308. Indole can be detected by means of Kovacs reagent (red coloration). Escherichia coli is (oxidase – and indole +) other coliforms are (oxidase – and indole -).


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Tryptophane Broth – terreno liquido per la conferma di Escherichia coli con test dell’indolo a norma ISO9308
  • Brand: Bio-Rad
  • Format: 25 x 3 ml
  • Code: BR3554194
  • Technology: Culture media and ISO confirmation tests
  • Application: Food/Water microbiology
  • Tag/Filter: Escherichia coli and coliforms


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