Tryptophane Culture Broth
Transport temp. ambient temp.
Application: Use 16 g for 1 l broth.
excl. VAT. | 500 g per Pack Qty.
Art. No. CP71.1
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Tryptophane Culture Broth DEV, ISO 16654, for microbiology
Escherichia transform lactose under acid production via β-galactosidase, and are negative in oxidase test and positive in indole production test. Kovac Reagent (Art. No. 2950.1) is added to 24-48 h old cultures in a concentration of 0.2 to 0.5 ml per 5 ml broth. A colour shift to dark red shows presence of indole.
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|Casein, tryptic digest||10 g/l|
|Sodium chloride (NaCl)||5 g/l|
|pH value||7,5 ±0,1|