61348

Lactose Gelatin Medium (Base)

NutriSelect^® Basic, suitable for microbiology

• UNSPSC Code: 41171606
• NACRES: NA.74

Properties

• sterility: non-sterile
• Quality Level: 100
• form: powder
• shelf life: limited shelf life, expiry date on the label
• composition: disodium hydrogen phosphate, 5 g/L ; lactose, 10 g/L ; meat peptone (peptic), 15 g/L ; phenol red, 0.05 g/L ; yeast extract, 10 g/L
• manufacturer/tradename: NutriSelect^® Basic
• technique(s): microbe id | specific enzyme detection: suitable; microbiological culture: suitable
• final pH: 7.5±0.2 (25 °C)
• application(s): agriculture; bioburden testing; environmental; food and beverages; microbiology
• suitability: Bacillus spp.; Proteus spp.; Serratia spp.; Staphylococcus spp.; nonselective and differential for Clostridium spp.

Description

Application

For the detection of lactose and gelatine metabolizing microorganisms (Cl. perfringens).

Preparation Note

Dissolve 40 g in 1 litre distilled water. Adjust the pH then add 120 g gelatine 180 Bloom (Cat. No. 48722) and bring to the boil to dissolve. Pour a deep layer in screw-cap tubes and sterilize by autoclaving at 121°C for 15 minutes.

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: 11 - Combustible Solids
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable