Not available outside of the UK & Ireland.

Application

Hoyle Medium Base is a highly selective medium used for the isolation and differentiation of Corynebacterium diphtheriae types.

Footnote

We offer two media types: the superior granulated GranuCult^® and the cost-efficient powdered NutriSelect^® culture media, depending on your needs. The designations basic, plus, or prime are added to indicate the quality control level, from basic quality control to standard QC plus to prime for full regulatory compliance.

Legal Information

NutriSelect is a registered trademark of Merck KGaA, Darmstadt, Germany

GRANUCULT is a registered trademark of Merck KGaA, Darmstadt, Germany

Preparation Note

Suspend 40 grams in 915 ml distilled water. Heat to boiling to dissolve the medium completely. Sterilize by autoclaving at 15 lbs pressure (121°C) for 15 minutes. Cool to 55°C and aseptically add 50 ml of laked blood and 35 ml of 1.0% Potassium Tellurite Solution. (Cat. No. 17774) Mix well and pour into sterile Petri plates.