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1.00908

Buffered Peptone Water

ReadyBag®, ISO, FDA BAM, EP, granular, pack of 35 × 86 g, sterile; γ-irradiated

Synonym(s):

Readybag® Buffered Peptone Water, Tryptone Phosphate Water, Peptone Water (buffered), BPW

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About This Item

NACRES:
NA.74
UNSPSC Code:
41106212
Manufacturer/tradename:
ReadyBag®
Agency:
APHA, EP, ISO 21528, ISO 22964, ISO 6579, ISO
Ph:
7.2 (37 °C, 25 g/L in H2O, after autoclaving)
Form:
granular
Suitability:
Cronobacter spp., Salmonella spp., enterobacteriaceae
Application(s):
food and beverages
microbiology
pathogen testing
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Quality Level

200

agency

APHA, EP, ISO 21528, ISO 22964, ISO 6579, ISO

reg. compliance

FDA BAM

sterility

sterile; γ-irradiated

form

granular

packaging

pack of 35 × 86 g

manufacturer/tradename

ReadyBag®

technique(s)

microbiological culture: suitable

color

beige Granules, clear yellowish Prepared medium

pH

7.2 (37 °C, 25 g/L in H2O, after autoclaving)

solubility

25.5 g/L

bulk density

800 kg/m3

application(s)

food and beverages
microbiology
pathogen testing

storage temp.

15-25°C

suitability

Cronobacter spp., Salmonella spp., enterobacteriaceae

General description

Buffered Peptone water is a nutrient broth media that aids in resuscitating sub-lethally injured bacteria and enables intense growth. The phosphate buffer system prevents bacterial damage caused by changes in the pH of the medium. Peptone, including enzymatic digest of casein acts as a source of carbon, nitrogen, vitamins, and minerals whilst sodium chloride maintains the osmotic balance. The Readybag® sachets are gamma-irradiated (10-20 kGray). Each Readybag® sachet contains 86 g of granulated Buffered Peptone Water broth, which can be reconstituted on addition of sterile water.

Application

Readybag® Buffered Peptone Water is suitable for the preliminary non-selective enrichment of bacteria, particularly pathogenic Enterobacteriaceae, such as Salmonella and Cronobacter, from food and animal feed, water, and other materials.

Legal Information

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

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Storage Class

11 - Combustible Solids

wgk

WGK 3

Regulatory Information

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Protocols

New EN ISO 22964 for Cronobacter spp. detection in the food chain

The new EN ISO 22964:2017 standard specifies a horizontal method for the detection of Cronobacter spp. in food, animal feed and environmental samples.

Articles

How to Choose the Right Method for Microbial Testing in Infant Formula

Interview: Accurate microbiology QC methods for infant formula testing

Global Trade Item Number

SKUGTIN
100908000104027269250706