跳转至内容
Merck
CN

17215

WL 鉴别琼脂

suitable for microbiology, NutriSelect® Plus

别名:

WLD 琼脂, Wallerstein 鉴别琼脂

登录 查看组织和合同定价。

选择尺寸


关于此项目

NACRES:
NA.74
UNSPSC Code:
41171606
技术服务
需要帮助?我们经验丰富的科学家团队随时乐意为您服务。
让我们为您提供帮助
技术服务
需要帮助?我们经验丰富的科学家团队随时乐意为您服务。
让我们为您提供帮助

产品名称

WL 鉴别琼脂, suitable for microbiology, NutriSelect® Plus

sterility

non-sterile

form

powder

shelf life

limited shelf life, expiry date on the label

composition

actidione (cycloheximide), 0.004 g/L
agar, 20 g/L
bromocresol green, 0.022 g/L
calcium chloride, 0.125 g/L
casein enzymic hydrolysate, 5 g/L
dextrose, 50 g/L
ferric chloride, 0.0025 g/L
magnesium sulfate, 0.125 g/L
manganese sulfate, 0.0025 g/L
monopotassium phosphate, 0.55 g/L
potassium chloride, 0.425 g/L
yeast extract, 4 g/L

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 and differential for Escherichia coli
selective and differential for Lactobacillus spp.
selective and differential for Proteus spp.
selective and differential for bacteria (General Media)
selective and differential for coliforms

Quality Level

Application

WL鉴别琼脂已用于马克斯克鲁维酵母培养基计数。

General description

通过改良Green和Gray的配方配制的WL(Wallerstein Laboratory)鉴别琼脂,可用于检测酿造过程中的材料以及含有酵母和细菌混合菌群的工业发酵物。WL鉴别琼脂有助于选择性分离和计数啤酒厂和工业发酵中遇到的细菌。

Other Notes

我们现提供两种类型的培养基:GranuCult®优质颗粒状培养基和NutriSelect®高性价比粉末状培养基,满足用户不同层次的需求。
商标后的品级称号basic(基础)、plus(加强)或prime(特级)代表产品的不同质控水平,从基础的质控到标准质控加强版到全面合规的特级质控水平。

Preparation Note

将80.26 g悬浮于1L蒸馏水中。 加热至沸腾以完全溶解培养基。在121°C下高压蒸汽灭菌15分钟。如果需要得到6.5的pH值,添加1%碳酸氢钠溶液。

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

ppe

Eyeshields, Gloves, type N95 (US)

法规信息

动植物来源培养基
此项目有

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

没有发现合适的版本?

如果您需要特殊版本,可通过批号或批次号查找具体证书。

已有该产品?

在文件库中查找您最近购买产品的文档。

访问文档库

Interactions between Kluyveromyces marxianus and Saccharomyces cerevisiae in tequila must type medium fermentation
Lopez CLF, et al.
World Journal of Microbiology & Biotechnology, 30(8), 2223-2229 (2014)
A differential procedure for bacteriological studies useful in the fermentation industry
Green SR and Gray PP
Archives of Biochemistry and Biophysics, 32(1), 59-69 (1951)

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.

An article concerning selective growth media for differentiation and detection of Escherichia coli and other coliforms.

查看所有结果

我们的科学家团队拥有各种研究领域经验,包括生命科学、材料科学、化学合成、色谱、分析及许多其他领域.

联系客户支持