Medium 8 MacConkey Agar

Medium 8 MacConkey Agar

Medium 8 MacConkey Agar

Medium 8 MacConkey Agar

Medium 8 MacConkey Agar

Medium 8 MacConkey Agar

Medium 8 MacConkey Agar

Medium 8 MacConkey Agar

Medium 8 MacConkey Agar Trade Information

Minimum Order Quantity
10 Pieces

Payment Terms
Cash in Advance (CID), Days after Acceptance (DA), Cash Advance (CA)

Supply Ability
10 Pieces Per Day

Delivery Time
5 Days

Sample Available
No

Packaging Details
Plastic Bottle

Main Export Market(s)
Western Europe, Middle East, Africa, Asia, North America, South America, Eastern Europe, Australia, Central America

Certifications
Himedia

About Medium 8 MacConkey Agar

MacConkey Agar Medium 8 is a selective and differential medium used to isolate and differentiate Gram-negative bacteria, particularly enteric pathogens like E. coli and Salmonella. It achieves this by inhibiting Gram-positive bacteria with bile salts and crystal violet, and differentiating lactose-fermenting organisms (which appear pink to red) from non-lactose fermenters (which appear colorless or normal). Key Features:

Selective:Bile salts and crystal violet inhibit the growth of most Gram-positive bacteria.
Differential:Differentiates lactose fermenting (pink/red) and non-lactose fermenting (colorless) Gram-negative bacteria.
Uses:Isolation and identification of enteric bacteria from various sources like clinical specimens, food, and water.
Principle:Lactose fermentation results in acid production, which lowers the pH and causes the neutral red indicator to turn pink or red in lactose-fermenting bacteria.
Components:Peptone, lactose, bile salts, crystal violet, neutral red, and agar.

How it Works:

Bile salts and crystal violet inhibit the growth of most Gram-positive bacteria, allowing Gram-negative bacteria to grow.
Lactose-fermenting bacteria metabolize lactose, producing acid as a byproduct.
The acid lowers the pH, causing the neutral red indicator to turn pink or red in the colonies of lactose fermenters.
Non-lactose fermenting bacteria do not produce acid, so their colonies remain colorless or the original color of the medium.

Specific Examples:

Escherichia coli is a lactose fermenter, producing pink to red colonies with bile precipitates.
Salmonella and Shigella species are non-lactose fermenters, producing colorless or transparent colonies.

Medium 8 MacConkey Agar

Medium 8 MacConkey Agar

Medium 8 MacConkey Agar

Medium 8 MacConkey Agar

Medium 8 MacConkey Agar

Medium 8 MacConkey Agar

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