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Table 4 Comparison of the approximate quantities of each rhamnolipid group and the total rhamnolipid production profile by P. aeruginosa ST5 grown in mineral salt medium supplemented with different substrates as sole carbon sources

From: Variants of lipopeptides and glycolipids produced by Bacillus amyloliquefaciens and Pseudomonas aeruginosa cultured in different carbon substrates

Carbon substrate Rhamnolipid groups (mg L−1) Totala rhamnolipid mg L−1 culture
dRL3 dRL2 dRL1 mRL3 mRL2 mRL1
Diesel 0 38 ± 34 0 0 18 ± 15 0 56 ± 49
Kerosene 19 ± 1.2 38 ± 9.7 0 7.4 ± 13 40 ± 3.3 0.01 ± 0.0 104 ± 6.8
Sunflower oil 16 ± 3.2 25 ± 3.6 35 ± 0.5 16 ± 13 27 ± 4.3 0.5 ± 0.5 119 ± 37
Fructose 40 ± 9.5 57 ± 6.7 15 ± 26 17 ± 15 43 ± 8.7 26 ± 4.4 199 ± 57
Glucose 68 ± 32 66 ± 25 20 ± 34 43 ± 18 75 ± 34 36 ± 21 307 ± 147
Glycerol 63 ± 49 60 ± 38 16 ± 28 39 ± 37 71 ± 40 18 ± 16 267 ± 202
Sucrose 10 ± 9.9 21 ± 6.7 5.8 ± 10 7.1 ± 12 28 ± 12 0 72 ± 50
RL Standard 224.4 176 99.2 316.8 142.9 40.7 1000a
  1. Each value represents the average of three culture extracts with standard error of the mean (SEM)
  2. aApproximate values relative to detected signal in 1.00 mg L−1 rhamnolipid standard