MacConkey Agar is an essential medium used in microbiology labs to isolate and differentiate Gram-negative bacteria, particularly Enterobacteriaceae. Its importance spans clinical diagnostics, research, and food safety testing. Composition of MacConkey Agar MacConkey Agar’s main components include: Lactose: Acts as a fermentable carbohydrate. Bile salts: Inhibits gram-positive organisms. Neutral red: pH indicator to detect fermentation […]
