General Information -Content: 100 tablets packages 1 tablet for 250 ml of water.

Mode of Action - Tryptone acts as a source of carbon, nitrogen, vitamins, and minerals whilst sodium chloride maintains the osmotic balance.

Typical Composition (g/L) -

Tryptone -                         1.0

Sodium chloride-             8.5

Preparation - Dissolve 1 tablet in 250 ml of purified water. Sterilize in the autoclave at 121 °C ± 3 °C for 15 min. The prepared diluent is clear and light amber. The pH value at 25°C is in the range of 6.8 – 7.2.

Experimental Procedure and Evaluation -Dispense the diluent in volumes as necessary for the preparation of the initial suspensions into vessels of appropriate capacity. Dispense further diluent in volumes as necessary for the preparation of the (decimal or other ratio) dilutions into vessels of appropriate capacity.

Storage -Store at +15 °C to +25 °C, dry and tightly closed.

Literature-ISO International Standardisation Organisation. Microbiology of the food chain — Preparation of test samples, initial suspension, and decimal dilutions for microbiological examination — Part 1: General rules for the preparation of the initial suspension and decimal dilutions. ISO 6887-1 2017.

Ordering Information -

Product-Tryptone Salt Tablets   Cat. No.-1.15421.0100    Pack size -100 tablets