TABLE 2.

Stoichiometry of substrate conversion by anaerobic LCFA-degrading enrichment cultures

Enrichment cultureSubstrateSubstrate converted (mmol)Substrate production (mmol)Electron recovery (%)
MethaneAcetateButyrateH2
Mesophilic culture
    MPAPalmitate0.0330.333NDbNDND88
    MSTStearate0.0180.2130.001NDND94
    MOLOleate0.0320.1820.256NDND105
    MLILinoleate0.0320.1690.255NDND106
Thermophilic culture
    TPAPalmitate0.0330.32NDNDND85
    TSTStearate0.0310.3890.001NDND97
    TOLOleate0.0140.060.1030.003ND96
    TLILinoleatea
  • a —, concentrations of substrates and products were not measured because the TLI enrichment could not be transferred further.

  • b ND, not detected (below detection limit).