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Table 5 Emulsion indices (%) of one representative strain of each BOX group using kerosene and different amounts of NaCl

From: Exploiting the aerobic endospore-forming bacterial diversity in saline and hypersaline environments for biosurfactant production

  Emulsion index (%) Emulsion index (%) Emulsion index (%) Emulsion index (%)
  kerosene – NaCl 5 % kerosene – NaCl 10 % kerosene – NaCl 15 % kerosene – NaCl 20 %
Strains 1 day 15 days 30 days 1 day 15 days 30 days 1 day 15 days 30 days 1 day 15 days 30 days
AB 2.0 53 ± 4.6 22 ± 1.7 10 ± 2.1 49 ± 1.7 12 ± 3.5 10 ± 6.4 - - - - - -
SA1 16 - - - - - - - - - - - -
MA 3.1 56 ± 6.4 26 ± 3.5 - - - - - - - - - -
VM 81 - - - - - - - - - - - -
SA 2 1 - - - - - - - - - - - -
DR 4.0 - - - - - - - - - - - -
DR 2.0 51 ± 7.6 44 ± 6.4 36 ± 6.2 53 ± 6.4 49 ± 8.1 47 ± 6.4 57 ± 0 54 ± 0 47 ± 1.4 52 ± 3.5 48 ± 7.4 44 ± 8.7
MA 2.0 - - - - - - - - - - - -
VM 8.0 51 ± 8.5 41 ± 3.5 33 ± 3.5 51 ± 3 46 ± 0 32 ± 8.1 57 ± 0 48 ± 0 34 ± 0 39 ± 9.6 - -
VM 40 55 ± 3.5 40 ± 5.2 - 51 ± 4.2 39 ± 2.1 - 59 ± 2.9 51 ± 5.5 - 63 ± 2.5 48 ± 8.1 -
MA 15.1 - - - - - - - - - - - -
VM 50 - - - - - - - - - - - -
LS 13 - - - - - - - - - - - -
VM 3.1 - - - - - - - - - - - -
VM 6.0 45 ± 7.4 41 ± 3.5 - 48 ± 0 43 ± 0 - 47 ± 4 45 ± 1.7 - 48 ± 2.5 43 ± 0 -
VM 6.1 - - - - - - - - - - - -
VM 20 52 ± 4.6 37 ± 7.9 - 44 ± 9.1 40 ± 10.4 - 43 ± 8.1 37 ± 12.5 - - - -
VM 80 - - - - - - - - - - - -