54232

Lactose TTC Agar with Tergitol^™-7

NutriSelect^® Plus, suitable for microbiology

• Synonym(s): TTC-Tergitol-7 Agar, m-Tergitol-7 Agar with Meat Extract
• UNSPSC Code: 41171606
• NACRES: NA.85

Properties

• sterility: non-sterile
• Quality Level: 200
• form: powder
• shelf life: limited shelf life, expiry date on the label
• composition: agar, 12.7 g/L ; bromothymol blue, 0.05 g/L ; lactose, 20.0 g/L ; meat extract, 5 g/L ; peptone, 10.0 g/L ; tergitol-7, 0.1 g/L ; yeast extract, 6.0 g/L
• manufacturer/tradename: NutriSelect^® Plus
• final pH: 7.2±0.2 (25 °C)
• application(s): agriculture; bioburden testing; environmental; food and beverages; water monitoring; microbiology
• suitability: selective and differential for Citrobacter spp.; selective and differential for Enterobacter spp.; selective and differential for Escherichia coli; selective and differential for Proteus spp.; selective and differential for Salmonella spp.; selective and differential for Shigella spp.; selective and differential for coliforms

Description

General description

Lactose TTC Agar with Tergitol^™-7 is recommended as a selective and differential medium for the recovery of injured coliform organisms from chlorinated water by membrane filter technique.

Application

for detection and enumeration of coliform organisms from chlorinated water by membrane filter technique

Preparation Note

Suspend 53.85 g in 1000 ml distilled water. Heat to boiling to dissolve the medium completely. Sterilize by autoclaving at 121°C for 15 minutes. Cool to 45-50°C. Aseptically add 2.5 ml of 1% 2,3,5 Triphenyl Tetrazolium chloride (TTC) solution (Cat. No. 17779).

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

TERGITOL is a trademark of The Dow Chemical Company ("Dow") or an affiliated company of Dow

Safety Information

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves