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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

UNSPSC Code:
41106212
NACRES:
NA.74

agency

APHA
EP
ISO 21528
ISO 22964
ISO 6579
ISO

Quality Level

200

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

Related Categories

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

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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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.

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