92587

EC O157:H7 ChromoSelect Agar, Modified

NutriSelect^® Plus, suitable for microbiology

• UNSPSC Code: 41171607
• NACRES: NA.85

Properties

• sterility: non-sterile
• form: powder
• shelf life: limited shelf life, expiry date on the label
• composition: agar, 12 g/L ; bile salts mixture, 1.5 g/L ; chromogenic mixture, 0.25 g/L ; sodium lauryl sulfate, 0.1 g/L ; sorbitol, 7 g/L ; tryptone, 5 g/L ; yeast extract, 3 g/L
• manufacturer/tradename: NutriSelect^® Plus
• final pH: 6.8±0.2 (25 °C)
• application(s): agriculture; food and beverages; microbiology
• storage temp.: 2-8°C
• suitability: Escherichia coli; coliforms

Description

General description

A chromogenic medium recommended for isolation and differentiation of E. coli O157:H7 from food and environmental samples.

Application

for isolation and differentiation of E. coli O157:H7 from food and environmental samples

Preparation Note

Suspend 28.85 g in 1 liter distilled water. Heat to boiling to dissolve the medium completely. Sterilize by autoclaving at 15 lbs pressure (121°C ) for 15 minutes. Cool to 50°C and pour into sterile petri plates. This medium can be made more selective by aseptically adding 0.25 ml of 1% potassium tellurite solution (Cat. No. 17774) to 1 liter molten and cooled medium (45-50°C).

Footnote

We offer two media types: the superior granulated GranuCult^® and the cost-efficient powdered NutriSelect^® culture media, depending on your needs.
The designations basic, plus, or prime are added to indicate the quality control level, from basic quality control to standard QC plus to prime for full regulatory compliance.

Legal Information

GRANUCULT is a registered trademark of Merck KGaA, Darmstadt, Germany

NutriSelect is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 2
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable