
Hektoen Enteric Agar Medium (250g) – HEA Medium
Hektoen Enteric Agar Medium (HEA Medium, also known as HEK Agar Medium) is a specialized formulation designed for the selective isolation of intestinal bacteria. This 250g bottle provides a high-quality medium optimized to support the growth of target intestinal bacteria while inhibiting non-target microorganisms, making it a reliable tool for microbiological testing.
Key Features
Primary Use: Specifically formulated for the selective isolation of intestinal bacteria.
Formula (per liter): Contains Protease Peptone (12.0g), Yeast Extract (3.0g), Sucrose (12.0g), Lactose (12.0g), Salicin (2.0g), Bile Salts No.3 (9.0g), Sodium Chloride (5.0g), Sodium Thiosulfate (5.0g), Ferric Ammonium Citrate (1.5g), Acid Fuchsin (0.1g), Bromthymol Blue (0.065g), and Agar (14.0g), with a pH of 7.5±0.1 at 25°C.
Storage: Stable at room temperature with a 3-year shelf life, ensuring consistent performance and long-term usability.
Preparation Instructions
Measure 75.6g of the medium and dissolve in 1L of distilled or deionized water (adjust quantities proportionally for larger or smaller volumes).
Heat to a boil for 1 minute to ensure complete dissolution.
Pour directly into petri dishes and allow to solidify before use.
This HEA Medium is ideal for laboratories requiring accurate selective isolation of intestinal bacteria.