51405

MacConkey-Agar (without salt)

suitable for microbiology, NutriSelect^® Plus

• Synonym(s): MacConkey-Agar (without salt and crystal violet)
• 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 g/L ; bile salts, 5 g/L ; lactose, 10 g/L ; neutral red, 0.075 g/L ; peptone, 20 g/L
• manufacturer/tradename: NutriSelect^® Plus
• technique(s): microbiological culture: suitable
• pH: 7.4±0.2 (25 °C)
• application(s): clinical testing; environmental; food and beverages; microbiology
• suitability: Acinetobacter spp.; selective and differential for Enterococcus 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 Staphylococcus spp.; selective and differential for coliforms; selective and differential for enterobacteriaceae

Description

Application

A differential medium which restricts the swarming of most Proteus species. Useful for culturing urine specimens which may contain large number of Proteus species.

Preparation Note

Suspend 47 g in 1 litre of distilled water. Bring to the boil to dissolve completely. Sterilize by autoclaving at 121°C for 15 minutes. Pour into sterile petri plates. Dry the surface of the gel before inoculation.

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 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves