Loffler culture medium

Löf·fler cul·ture me·di·um

(lĕrf'lĕr kŭl'chŭr mē'dē-ŭm)
A culture medium consisting of beef blood serum, sheep blood serum, and beef bouillon containing peptone, glucose, and sodium chloride; used for the isolation of Corynebacterium diphtheriae.