Pożywki jensena z lekami

Löwenstein-Jensen Medium

with medicines for testing medicine susceptibility of Mycobacterium tuberculosis

Löwenstein-Jensen media with anti-Mycobacterium additives in different concentrations enable selection of appropriate medicines in tuberculosis therapy as well as identification of relevant doses. Medium is provided as a green-coloured slant. Obtained from egg yolk mass combined with aqueous salt solution and glycerol, as well as aqueous malachite green solution acting as bacteriostatic agent for other microorganisms, with different concentrations of anti-Mycobacterium medicines. Medium is produced in hermetic test tubes, which prevents drying and provides constant growth conditions during examination. Control tests include sterility, examination of declared Löwenstein-Jensen medium concentration using H37RV strain with anti-Mycobacterium medicines, conducted by the Tuberculosis Institute in Warsaw. Types of the Löwenstein-Jensen media include:

• streptomycin additive (SM), concentration of 4 mcg/ml and 8 mcg/ml
• isoniazid additive (INH), concentration of 0.2 mcg/ml and 0.4 mcg/ml
• rifampicin additive (RMP), concentration of 40 mcg/ml and 80 mcg/ml
• ethambuthol additive (EMB), concentration of 2 mcg/ml and 4 mcg/ml
• ofloxacin additive (OFL), concentration of 2.5 mcg/ml and 5 mcg/ml
• ethionamide additive (ETA) concentration of 40 mcg/ml and 80 mcg/ml
• capreomycin additive (CAP) concentration of 40 mcg/ml and 80 mcg/ml
• cycloserine additive (CS) concentration of 40 mcg/ml and 80 mcg/ml

Packaging: 5 ml slant test tube

Storage: 2°C – 8°C.

Use-by period: 6 months