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Table 1 Effects of fatty acids and methyl esters (50 μg ml-1) on growth of, and metabolism of fatty acids by, Butyrivibrio fibrisolvens JW11 in M2 medium.

From: Toxicity of unsaturated fatty acids to the biohydrogenating ruminal bacterium, Butyrivibrio fibrisolvens

  DHA EPA γ-LNA LNA LA CLA VA OA SA
Free fatty acids          
Lag phase (h)          
Mean >72 >72 >72 37.0 7.1 4.7 0.01 1.88 0.82
SD     5.25 0.60 0.20 0.13 0.23 0.48
Biohydrogenation No No Yes Yes Yes Yes No No No
End product at 72 h NDa ND Conjugated 18:3 VA VA VA ND ND ND
Methyl esters          
Lag phase (h)          
Mean NA NA NA NA 0.37 -0.17 -0.23 -0.07 1.54
SD      1.12 0.44 0.35 0.09 0.23
Biohydrogenation No No Yes Yes Yes Yes No No No
End product at 72 h ND ND Conjugated 18:2 VA VA VA ND ND ND
  1. aND - None detected
  2. bNA - Not analyzed. The first OD reading was made at 16 h, by which time the cultures had grown.