产品说明
一般描述
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.
应用
Lactose Broth is recommended for the performance and confirmation of the presumptive test to detect coliform bacteria in food, water, dairy, and Pharmaceutical products.
附注
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.
法律信息
GRANUCULT is a registered trademark of Merck KGaA, Darmstadt, Germany
NutriSelect is a registered trademark of Merck KGaA, Darmstadt, Germany
产品性质
| 质量水平 | 200 |
| agency | APHA EP USP |
| reg. compliance | FDA (BAM) |
| 形式 | medium granules (dehydrated (DCM)) |
| manufacturer/tradename | GranuCult® |
| technique(s) | microbiological culture: suitable |
| pH值(酸碱度) | 6.7-7.1 (25 ℃, 13 g/L in H2O) |
| 堆积密度 | 650 kg/m3 |
| application(s) | food and beverages microbiology |
| 储存温度 | 15-25℃ |
| 适用性 | Salmonella spp. |
安全信息
| 储存分类代码 | 11 - Combustible Solids |
| WGK | WGK 3 |
Sigma-Aldrich
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