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Table 2 Degree, dye removal rate and half-life period of decolorization of melachite green (MG) and crystal violet (CV) by Stenotrophomonas maltophilia isolate TPMD-1

From: Decolorization of Malachite green dye by Stenotrophomonas maltophilia a compost bacterium

Concentration (mg L−1) MG CV
Degree ofdecolorization (%) λ (h−1) t½ (h) Degree of decolorization (%) λ (h−1) t½ (h)
100 99.46 ± 0.50a 0.049 ± 0.003A 14.14 ± 0.1p 99.04 ± 0.65a 0.04 ± 0.02A 17.32 ± 0.12p
200 98.24 ± 0.57a 0.031 ± 0.002B 22.35 ± 0.13q 97.50 ± 0.54b 0.023 ± 0.03 J 30.13 ± 0.11q
300 85.9 ± 0.53b 0.014 ± 0.004C 49.51 ± 0.09r 81 ± 0.5c 0.010 ± 0.05C 69.3 ± 0.10 s
400 79.5 ± 0.55d 0.012 ± 0.003D 57.76 ± 0.1r 75 ± 0.43e 0.006 ± 0.03E 115.5 ± 0.09t
500 67.4 ± 0.51f 0.009 ± 0.004F 77.01 ± 0.13u 54.51 ± 0.47 g 0.003 ± 0.03G 231 ± 0.11v
  1. Mean values ± SD followed by different letters in same column indicate significant differences according to DMRT (P < 0.05)
  2. ‘a-g’ was used to compare degree of decolorization of both dyes, ‘A-G’ used to compare rate constants, and p–v to compare half-life periods of two dyes