Substrates Monooxygenase specific activities (nmole substrate mg protein-1 min-1) Substrates Esterase specific activities (nmole substrate mg protein-1 min-1)
2-Hexanone 35.39 ± 0.15 Butyl acetate 23.41 ± 0.41
3-Hexanone 27.26 ± 0.64 Ethyl butyrate 19.10 ± 0.10
2-Butanone 18.03 ± 0.32 Methyl propionate  27.73 ± 1.3
2-Pentanone 21.80 ± 0.81 Methyl butyrate  14.30 ± 0.63
Cyclohexanone 22.13 ± 0.23 Methyl valerate  18.09 ± 0.11
2-Heptanone 17.86 ± 0.10 Propyl acetate  12.70 ± 0.20
3-Octanone 16.36 ± 0.45 Benzyl acetate  15.05 ± 0.78
Table 1: Monooxygenase and esterase activity in the crude cell extract prepared from 2-hexanone grown cells of Rhodococcus sp. strain MB-P1.