69198

Fraser Broth, Base

suitable for microbiology, NutriSelect^® Plus

• Sinónimos: Listeria Selective Enrichement Broth, Base (acc. Fraser)
• Código UNSPSC: 41171606
• NACRES: NA.85

Propiedades

• esterilidad: non-sterile
• Nivel de calidad: 200
• Formulario: powder
• caducidad: limited shelf life, expiry date on the label
• composición: casein enzymic hydrolysate, 5.0 g/L ; disodium phosphate dihydrate, 12.0 g/L ; esculin, 1.0 g/L ; lithium chloride, 3.0 g/L ; meat extract, 5.0 g/L ; peptic digest of animal tissue, 5.0 g/L ; potassium dihydrogen phosphate, 1.35 g/L ; sodium chloride, 20.0 g/L ; yeast extract, 5.0 g/L
• fabricante / nombre comercial: NutriSelect^® Plus
• técnicas: microbiological culture: suitable
• pH final: 7.2±0.2 (25 °C)
• aplicaciones: agriculture; environmental; food and beverages; pathogen testing; sample preparation; microbiology
• idoneidad: selective and differential for Listeria spp.

Descripción

Aplicación

Fraser Broth Base with added supplement is recommended by ISO Committee for primary and secondary enrichment medium, for the isolation and enumeration of Listeria monocytogenes from food and animal feeds

Nota de preparación

Suspend 57.35 grams of dehydrated medium in 1000 ml distilled water. Heat if necessary to dissolve the medium completely. Sterilize by autoclaving at 15 lbs pressure (121°C) for 15 minutes. Cool to 45-50°C and aseptically add rehydrated contents of 1 vial of Fraser Selective Supplement (Cat. No. 18038) and 2 vials of Fraser Supplement (Cat. No. 90836) to 1000 ml medium for primary enrichment or 1 vial of each to 500 ml medium for secondary enrichment. Mix well and dispense as desired.
Warning : Lithium chloride is harmful. Avoid bodily contact and inhalation of vapours. On contact with skin wash with plenty of water immediately.

Nota al pie de página

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.

Información legal

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

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

Información de seguridad

• Código de clase de almacenamiento: 11 - Combustible Solids
• Clase de riesgo para el agua (WGK): WGK 3
• Punto de inflamabilidad (°F): Not applicable
• Punto de inflamabilidad (°C): Not applicable
• Equipo de protección personal: Eyeshields, Gloves, type N95 (US)