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.

General description

Lactose Broth is an inhibitor-free granulated medium for the use in the presumptive testing for coliforms, especially E. coli, and the enrichment of Salmonella. 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.

Legal Information

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

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

Packaging

500 g in Plastic bottle

2.5 kg in Plastic bottle