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Table 1 Evaluation of 10 selective media for mycobacterial recovery from soil

From: Isolation of nontuberculous mycobacteria from soil using Middlebrook 7H10 agar with increased malachite green concentration

Media No. of media
Positive Contaminated Total
PANTA-containing LJ 13a 18 20
LJ 1 19 20
Modified Middlebrook 7H10 with PANTA but without MG 3 17 20
Middlebrook 7H10 with 0.25 mg/L MG 0 20 20
Modified Middlebrook 7H10 with 2.5 mg/L MG 0 20 20
Modified Middlebrook 7H10 with 25 mg/L MG 4 16 20
Modified Middlebrook 7H10 with 100 mg/L MG 13 0 20
Modified Middlebrook 7H10 with 250 mg/L of MG 13 0 20
Modified Middlebrook 7H10 with 500 mg/L of MG 8 0 20
Modified Middlebrook 7H10 with 2500 mg/L of MG 1 0 20
  1. a13, 11 of 13 tubes had late contamination