Neogen 6491 Petrifilm Staphylococcus Aureus Express Count Plate (STX) - 700002231

The Neogen Petrifilm Staphylococcus Aureus Express Count Plate (STX) is a sample‑ready, chromogenic culture medium system for the selective and differential enumeration of Staphylococcus aureus in food and environmental samples. Designed as the Petrifilm STX Plate (Catalog 6491; Manufacturer part 700002231), the plate yields distinctive red‑violet S. aureus colonies in as little as 22 hours and is used to assess product quality and sanitation effectiveness. The STX Plate is intended for quantitative testing workflows and can be read manually or with the Petrifilm Plate Reader Advanced.

Key Features:

• Product: Petrifilm Staph Express Count Plate (STX)
• Catalog number: 6491
• Manufacturer part number: 700002231
• Analyte detected: Staphylococcus aureus (distinctive red‑violet colonies)
• Time to result: 22–26 hours
• Selective medium: chromogenic, modified Baird‑Parker formulation
• Storage conditions: -20°C to 8°C (-4°F to 46°F)

Advantages:

• Sample‑ready plates eliminate preparation of traditional agar dishes, reducing hands‑on lab time.
• Rapid detection with distinctive colony coloration provides actionable results in ~22 hours.
• Compatible with automated reading (Petrifilm Plate Reader Advanced) for consistent, fast enumeration and record‑keeping.