@article{fdi:010090360,
  title = {{I}nhibition of fermentative hydrogen production by lignocellulose-derived compounds in mixed cultures},
  author = {{Q}u{\'e}meneur, {M}arianne and {H}amelin, {J}. and {B}arakat, {A}. and {S}teyer, {J}.{P}. and {C}arr{\`e}re, {H}. and {T}rably, {E}.},
  editor = {},
  language = {{ENG}},
  abstract = {{D}ark fermentation using mixed cultures is an attractive biological process for producing hydrogen ({H}2) from lignocellulosic biomass at a low cost. {P}hysicochemical pretreatment is generally used to convert lignocellulosic materials into monosaccharides. {H}owever, the processes also involved release degradation byproducts which can, in turn, inhibit microbial growth and metabolism and, hence, impact substrate conversion. {I}n this study, the impact on {H}2 production of lignocellulose-derived compounds (i.e. furan derivatives, phenolic compounds and lignins) was assessed along with their effect on bacterial communities and metabolisms. {B}atch tests were carried out using xylose as model substrate (1.67 mol{H}2 molxylose?1 in the control test). {A}ll the putative inhibitory compounds showed a significant negative impact on {H}2 production performance (ranging from 0.34 to 1.39 mol{H}2 molxylose?1). {T}he {H}2 yields were impacted more strongly by furan derivatives (0.40-0.51 mol{H}2 molxylose?1) than by phenolic compounds (1.28-1.39 mol{H}2 molxylose?1). {E}xcept for the batch tests supplemented with lignins, the lag phase was shorter for inhibitors having the highest molecular weight (8 days versus 22 days for the lowest {MW}). {V}ariability of the lag phase was clearly related to a shift in bacterial community structure, as shown by multivariate ordination statistics. {T}he decrease in {H}2 yield was associated with a decrease in the relative abundance of several {H}2-producing clostridial species. {I}nterestingly, {C}lostridium beijerinkii was found to be more resistant to the inhibitors, making this bacterium an ideal candidate for {H}2 production from hydrolyzates of lignocellulosic biomass.},
  keywords = {},
  booktitle = {},
  journal = {{I}nternational {J}ournal of {H}ydrogen {E}nergy},
  volume = {37},
  numero = {4},
  pages = {3150--3159},
  ISSN = {0360-3199},
  year = {2012},
  DOI = {10.1016/j.ijhydene.2011.11.033},
  URL = {https://www.documentation.ird.fr/hor/fdi:010090360},
}