61749

Lauryl sulfate Broth

suitable for microbiology, NutriSelect^® Basic

• Synonym(s): Lauryl Casein peptone Broth
• Beilstein: 1710530
• MDL number: MFCD00067711
• UNSPSC Code: 41171607
• PubChem Substance ID: 329759678
• NACRES: NA.74

Properties

• Agency: according to GB 4789.3-2016; according to ISO 4831:2006; according to ISO
• Quality Level: 100
• sterility: non-sterile
• form: powder
• shelf life: limited shelf life, expiry date on the label
• composition: casein peptone, 20 g/L ; dipotassium hydrogen phosphate, 2.75 g/L ; lactose, 5 g/L ; potassium dihydrogen phosphate, 2.75 g/L ; sodium chloride, 5 g/L ; sodium lauryl sulfate, 0.1 g/L
• manufacturer/tradename: NutriSelect^® Basic
• technique(s): microbiological culture: suitable
• final pH: 6.8±0.2 (25 °C)
• application(s): agriculture; bioburden testing; environmental; food and beverages; water monitoring; microbiology
• suitability: selective for Enterobacter spp.; selective for Escherichia coli; selective for Salmonella spp.; selective for coliforms
• SMILES string: CCCCCCCCCCCCOS(O)(=O)=O
• InChI: 1S/C12H26O4S/c1-2-3-4-5-6-7-8-9-10-11-12-16-17(13,14)15/h2-12H2,1H3,(H,13,14,15)
• InChI key: MOTZDAYCYVMXPC-UHFFFAOYSA-N

Description

General description

Lauryl sulfate Broth (LSB) is a selective media, assortedly used for coliform determination. LSB serves to examine the quality of water, dairy products and foodstuffs.

Application

Lauryl sulfate Broth has been used for E.coli determination.

Selective medium acc. to Mallmann and Darby (1941) for the presumptive testing for coliform and their selective enrichment in the examination of water, dairy products and food.
Recommended by the "Schweizerisches Lebensmittelbuch" 5th ed., chapter 56A.
The difference to Cat. No. 17349 is that Casein Peptone is used (instead of Tryptose)

Preparation Note

Dissolve 35.6 g in 1 litre distilled water. Distribute to convenient flasks. 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 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