061 - 712 11 60 (Switzerland)

Tryptophane Culture Broth

DEV, EN ISO 9308-1:2000, for microbiology
For the detection of E. coli in foods and water samples by indole production.
Application: Use 16 g for 1 l broth.

Storage temp.: +20 °C

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.

Show more Show less

Tryptophane Culture Broth

Status Art. No. Pack Qty. Packaging Price Quantity Action
Item available in stock CP71.1 500 g plastic CHF 220.50
Add to shopping basket

Item added to your shopping basket.

Please insert a valid amount.

Item available in stock Item available at short notice Item not available
Add to shopping basket

Technical information

Guarantee analysis:
Casein, tryptic digest10 g/l
L-Tryptophan1 g/l
Sodium chloride (NaCl)5 g/l
pH value7,5 ±0,1


You can search and download here your CoA. Please enter the corresponding item number and batch number.

Search results

Following CoAs have been found:


    Search CoA
    Demand CoA

    Fields marked * are mandatory.

    Request placed

    Your request of generating a CoA has been successfully completed.

    Choose Market

    Please choose your market and your language.

    save settings