Tryptone Water is an alternative medium to Peptone Water and more reliable for the testing of Indole production. The medium has a high content of Tryptophan that many organisms, particularly coliforms, break down to form Indole. After incubation add a few drops of Indole reagent to determine the Indole reaction (Red colour is Positive).
Tryptone Water
SKU: BM0610
Categories: Bottled & Bagged Media, Clinical / Veterinary, Food / Water / Environmental, Pharma / Industrial / Cosmetics
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Product Description
Organisms | Ref. No | Result |
Escherichia coli | NCTC 12241 | Growth & Indole Positive |
Enterobacter aerogenes | NCTC 10006 | Growth & Indole Negative |