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Merck
CN

W2261

WL 营养肉汤

suitable for microbiology, NutriSelect® Plus

别名:

Wallerstein 实验室营养肉汤

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NACRES:
NA.85
UNSPSC Code:
41171607
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产品名称

WL 营养肉汤, suitable for microbiology, NutriSelect® Plus

sterility

non-sterile

form

powder

shelf life

limited shelf life, expiry date on the label

manufacturer/tradename

NutriSelect® Plus

technique(s)

microbiological culture: suitable

final pH

5.5±0.2 (25 °C)

application(s)

bioburden testing
food and beverages

microbiology

suitability

selective for Candida spp.
selective for Escherichia coli
selective for Lactobacillus spp.
selective for Pichia spp.
selective for Proteus spp.
selective for Saccharomyces spp.
selective for Zygosaccharomyces spp.
selective for coliforms

Quality Level

Application

建议用于培养酿酒和工业发酵中的细菌。

Other Notes

成分 (g/L)
酶水解酪蛋白,5.00
酵母提取物,4.00
右旋糖,50.00
磷酸二氢钾,0.55
氯化钾,0.425
氯化钙,0.125
硫酸锰,0.125
氯化铁,0.0025
硫酸锰,0.0025
溴甲酚绿,0.022
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.

Preparation Note

Suspend 60.25 g of WL Nutrient Broth in 1000 ml of distilled water. Boil to dissolve the medium completely. Sterilize by autoclaving at 15 lbs. pressure (121°C) for 15 minutes. If desired to obtain a pH of 6.5 add a 1% solution of sodium bicarbonate (Cat. No. 71627).

Legal Information

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

存储类别

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

法规信息

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分析证书(COA)

Lot/Batch Number

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商品

Traditional methods are based morphology, staining methods, enzyme reactions (metabolism) and diverse media.

Probiotics exhibit an inhibitory effect on pathogens, help prevent chronic intestinal inflammatory diseases or atopic syndromes, and support the immune system.

Cost-effective molecular biology method for lactobacilli detection is presented as an alternative to PCR-based methods.

实验方案

Yeast culture techniques: Model systems for eukaryotic studies with liquid media or agar plate growth.

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