中国蓝乳糖琼脂

NA.74

China Blue Lactose Agar is a selective medium for differentiating lactose fermenting and lactose non-fermenting microorganisms.

Dissolve 35.5 g in 1 litre distilled water. Sterilize by autoclaving at 121℃ for 15 minutes.

牛奶中细菌的计数

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

100

non-sterile

powder

limited shelf life, expiry date on the label

agar, 12 g/L
casein peptone, 5 g/L
china blue, 0.375 g/L
lactose, 10 g/L
meat extract, 3 g/L
sodium chloride, 5 g/L

NutriSelect^® Basic

microbe id | utilization test: suitable
microbiological culture: suitable

7.0±0.2 (25 ℃)

bioburden testing
environmental
food and beverages
water monitoring
microbiology

nonselective and differential for Escherichia coli
nonselective and differential for Proteus spp.
nonselective and differential for Salmonella spp.
nonselective and differential for Staphylococcus spp.
nonselective and differential for coliforms
nonselective and differential for enterobacteriaceae

11 - Combustible Solids

WGK 3

Eyeshields, Gloves, type N95 (US)