Veterinary Chemical · Generic
MACCONKEY AGAR 500GM
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MacConkey agar contains the essential nutrients required for microorganism growth. Additional key components include crystal violet dye, bile salts, lactose, and neutral red (a pH indicator).
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Specs & features.
MacConkey Agar (500g) is a standard dehydrated culture medium used to isolate and differentiate Gram-negative enteric bacilli (such as coliforms and intestinal pathogens) from clinical, food, and water samples. It acts as both a selective and differential medium.
No specifications have been listed.
- Selective Action: Contains bile salts and crystal violet to inhibit the growth of most Gram-positive bacteria.
- Differential Action: Contains the sugar lactose and the pH indicator neutral red.
- Visual Identification: Lactose-fermenting bacteria (Lac+) produce pink to red colonies, while non-fermenters (Lac-) produce colorless or transparent colonies.
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