Gruft Mycobacterium Supplement

An enrichment and antibiotic supplement recommended for the selective cultivation of Mycobacteria.

Gruft modified Lowenstein Jensen medium by adding two antimicrobials Penicillin and Nalidixic acid for selective isolation of Mycobacteria. He also found that addition of ribonucleic acid (RNA) increased the percentage of tubercle bacilli recovered from clinical specimens compared to recovery on the standard Lowenstein Jensen Medium. Gruft Mycobacterial Supplement is used with Lowenstein Jensen Medium for selective isolation of mycobacteria.

Each vial, sufficient for 400 mL medium