Sigma-Aldrich Lactose Broth Acc. Fda-Bam

Agency

APHA
EP
USP

Quality Level

200

Reg. Compliance

FDA (BAM)

Form

medium granules (dehydrated (DCM))

Manufacturer/Tradename

GranuCult^®

Technique(S)

microbiological culture: suitable

pH

6.7-7.1 (25 °C, 13 g/L in H₂O)

Bulk Density

650 kg/M³

Application(S)

food and beverages
microbiology

Storage Temp.

15-25°C

Related Categories

Microbial Culture Media

General Description

Lactose Broth is an inhibitor-free granulated medium for the use in the presumptive testing for coliforms, especiallyE. coli,and the enrichment ofSalmonella. The granules ensure rapid and uniform dissolution in water, it also prevents clumping of the medium and inhalation of the airborne powder. Lactose utilization is indicated by gas production. The gas liberated is collected in Durham′s tubes. Peptone present in the medium supply nitrogenous and carbonaceous compounds, long-chain amino acids, and other essential nutrients to the organisms. Lactose is a fermentable carbohydrate for the coliforms.

Application

Lactose Broth is recommended for the performance and confirmation of the presumptive test to detect coliform bacteria in food, water, dairy, and Pharmaceutical products.

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