Merck
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1.46160

Millipore

ReadyPlate Mannitol Egg Yolk Polymyxin Agar

for determination of Bacillus cereus in Food sample in accordance to ISO 7932 and ISO 21871, pkg of (90 mm plate (20 or per box))

Synonym(s):
MYP Agar, MEYP Agar

Agency

ISO 21871
ISO 7932

Quality Level

reg. compliance

FDA BAM

form

plate (ready-to-use)

feature

ready-to-use

manufacturer/tradename

ReadyPlate

packaging

pkg of (90 mm plate (20 or per box))

pH

7.2 ( in H2O)

application(s)

environmental
food and beverages
microbiology

storage temp.

2-8°C

suitability

Bacillus cereus

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agency

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agency

APHA, ISO 21871, ISO 7932

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ISO 21871

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reg. compliance

FDA BAM

reg. compliance

FDA (BAM)

reg. compliance

-

reg. compliance

-

form

plate (ready-to-use)

form

medium granules (dehydrated (DCM))

form

plate (ready-to-use)

form

plate (ready-to-use)

feature

ready-to-use

feature

-

feature

ready-to-use

feature

ready-to-use

manufacturer/tradename

ReadyPlate

manufacturer/tradename

GranuCult®

manufacturer/tradename

ReadyPlate

manufacturer/tradename

ReadyPlate

packaging

pkg of (90 mm plate (20 or per box))

packaging

-

packaging

pkg of (90 mm plate (100 plates per pack))

packaging

box of 20 plates

General description

ReadyPlate is ready to use media to provide the highest level of quality and testing confidence for improving accuracy and significantly reducing the risk of false results. ReadyPlate Mannitol Egg Yolk Polymyxin Agar is used for the confirmation and enumeration of colonies of Bacillus cereus.

Application

ReadyPlate Mannitol Egg Yolk Polymyxin Agar is used for the confirmation and enumeration of colonies of Bacillus cereus in food samples.

Analysis Note

The MYP agar differentiates B. cereus from other bacteria by its resistance to Polymyxin B, its inability to produce acids from mannitol, and the presence of lecithinase. Peptone and meat extract serve as carbon and nitrogen sources for B. cereus. Bacteria that ferment mannitol to produce acids produce yellow staining of the medium with phenol red as a pH indicator. The lecithin present in egg yolk is cleaved by the lecithinase-producing B. cereus, leading to the formation of an opalescent white precipitation zone surrounding the colonies. Since B. cereus is mannitol-negative, the agar around colonies remains unchanged or is discolored by light alkalization (pink colonies). E. coli, other Enterobacteriaceae, and P. aeruginosa are inhibited by Polymyxin B.

Legal Information

READYPLATE is a trademark of Merck KGaA, Darmstadt, Germany

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1


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