Merck
CN
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文件

安全信息

70139

Millipore

马铃薯右旋糖琼脂

NutriSelect® Plus, suitable for microbiology

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别名:
马铃薯葡萄糖琼脂
NACRES:
NA.74

Agency

APHA
USP

质量水平

200

管理合规性

FDA

无菌性

non-sterile

形式

powder

保质期

limited shelf life, expiry date on the label

组成

agar, 15 g/L
dextrose, 20 g/L
potato extract, 4 g/L

包装

pkg of 100 g
pkg of 2.5 kg
pkg of 500 g

制造商/商品名称

NutriSelect® Plus

技术

microbiological culture: suitable

颜色

light yellow

最终pH

5.6±0.2 (25 °C)

应用

agriculture
bioburden testing
environmental
food and beverages
microbiology

适用性

nonselective for Aspergillus spp.
nonselective for Candida spp.
nonselective for Penicillium spp.
nonselective for Pichia spp.
nonselective for Saccharomyces spp.
nonselective for Zygosaccharomyces spp.
nonselective for molds (General Media)
nonselective for yeasts (General Media)

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相关类别

一般描述

Potato Dextrose Agar is recommended for the isolation and enumeration of yeasts and molds in dairy and food products. Potato extract serves as a source of carbon, nitrogen, minerals, vitamins, and other essential growth nutrients. Dextrose acts as a source of carbohydrates. Agar is the solidifying agent. The accompanying bacterial flora is suppressed by the low pH of 3.5. The growth of yeasts and molds is promoted in this medium, and the fungi develop typical morphology. The addition of Rose Bengal further suppresses the growth of bacteria and restricts the size and spreading of mold colonies.

应用

Potato Dextrose Agar is used for the isolation and enumeration of yeasts and molds in dairy and food products. The media is also used for stimulating sporulation, maintaining stock cultures of certain dermatophytes, and as a differential media for certain varieties of dermatophytes on the basis of pigment production.

特点和优势

NutriSelect® Plus are powdered culture media offering
  • Quality control with growth promotion test according to industry standards
  • Quality assurance acc. to ISO 9001
  • Cost-efficient powdered media

制备说明

Suspend 39 g in 1 litre of distilled water. Bring to the boil to dissolve completely. Sterilize by autoclaving at 121°C for 15 minutes. In order to suppress bacterial growth, 1 ml of 10% sterile lactic acid can be added for dropping pH to 3.5. Mix well before pouring.

其他说明

酵母引起的酸奶污染研究；用于维持胞外脂肪酶生产中的粘红酵母原种培养；鉴定感染洋葱组织中的黑曲霉

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

储存分类代码

11 - Combustible Solids

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

Eyeshields, Gloves, type N95 (US)

法规信息

动植物来源培养基

分析证书(COA)

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示例

T1503
货号
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包装规格/数量

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MMYOMAG-74K-13

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部分情况下，可能未在线提供COA。如果搜索不到COA，可在线索取。

索取COA

R.E. Beever et al.
Journal of General Microbiology, 60, 273-273 (1970)
M. Dublin Green et al.
Journal of Food Protection, 50, 193-193 (1987)
A. Behere et al.
Enzyme and Microbial Technology, 15, 158-158 (1993)
D. Papaparaskevas et al.
Biotechnology Letters, 14, 397-397 (1992)
Julia Schumacher et al.
Eukaryotic cell, 7(4), 584-601 (2008-02-12)
Recently, we showed that the alpha subunit BCG1 of a heterotrimeric G protein is an upstream activator of the Ca(2+)/calmodulin-dependent phosphatase calcineurin in the gray mold fungus Botrytis cinerea. To identify the transcription factor acting downstream of BCG1 and calcineurin
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