Thermo Fisher, CM0888B, Bile Aesculin Agar (Dehydrated)

Name: Bile Aesculin Agar (Dehydrated)
Brand: Thermo Fisher
SKU: CM0888B

Quantity: 500 g, Unit Size: Each, Isolate and presumptively identify enterococci / Group D streptococci with Thermo Scientific™ Oxoid™ Bile Aesculin Agar (Dehydrated). Bile Aesculin Agar is designed to differentiate between Group D streptococci and non-Group D streptococci.Group D streptococci hydrolyse aesculin to form aesculetin and dextrose. Aesculin hydrolysis is indicative of a positive result. Bile salts in the medium inhibit Gram-positive bacteria other than enterococci/ Group D streptoco

Catalog Number: CM0888B

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Category

Selective & Differential Media

Pack Size500 g

TagsMicrobiological Media and Media Additives Dehydrated Microbiology Media

CollectionsThermo Fisher Microbiological Media & Media Additives Thermo Fisher Clinical Analyzers & Instruments for Diagnostic Labs Thermo Fisher General Lab Supplies for Daily Workflows — Nalgene, Nunc, Samco & Matrix

Description

Quantity: 500 g
Unit Size: Each
Enterococci are part of the normal intestinal flora of human and animals. They have been long recognized as important human pathogens and are becoming increasingly so.Use Bile Aesculin Agar for the isolation of and presumptive identification of enterococci / Group D streptococci.
• Easy-To-read:aesculin hydrolysis indicates a positive result.
• Selective:bile salts in the medium inhibit Gram-positive bacteria other than enterococci/ Group Dstreptococci.The value of bile tolerance together with hydrolysis of aesculin as a means of presumptively identifying enterococci / Group D streptococci is widely recognised^1,2,3,4,5.The use of these parameters forms the basis of Bile Aesculin Agar and was described by Swan^6 who concluded that the use of this medium is a valid alternative to Lancefield grouping for the recognition of enterococci / Group D streptococci.Not all products are available for sale in all territories. Please inquire.Remel™ and Oxoid™ products are now part of the Thermo Scientific brand.

Specifications

General

Certifications/Compliance	Industrial Reference: FDA.
Description	Bile Aesculin Agar
Quantity	500 g
Yield	For 11.2L medium
Form	Powder
Product Type	Agar
Unit Size	Each

FAQs

Question: What quantity is supplied?

Answer:This configuration contains 500 g of dehydrated medium.

Question: How much prepared medium does the pack yield?

Answer:The 500 g pack prepares approximately 11.2 L.

Question: What indicates a positive aesculin reaction?

Answer:Aesculin hydrolysis produces dark reaction products in the medium and supports presumptive identification of enterococci or Group D streptococci.

Application Note

Bile Aesculin Agar is a selective and differential medium for isolation and presumptive identification of enterococci and Group D streptococci. This configuration contains 500 g of dehydrated powder and prepares approximately 11.2 L of medium. Bile salts inhibit many other Gram-positive bacteria, while organisms able to hydrolyze aesculin produce a positive reaction through formation of dark reaction products in the medium. The combination of bile tolerance and aesculin hydrolysis provides a practical phenotypic approach for screening enterococci and related Group D streptococci. The medium is used in clinical, food, environmental, and teaching microbiology workflows where presumptive differentiation is required before additional identification or confirmation.

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