Solid State Fermentation & bioproducts



  • Valorization of agro-industrial wastes by producing 2-phenylethanol via solid-state fermentation: influence of substrate selection on the process. Martínez-Avila, O., Sánchez, A., Barrena, R., Font, X. Waste Management. 121, 403-411 (2021).

  • Sophorolipids Production from Oil Cake by Solid-State Fermentation. Inventory for Economic and Environmental Assessment. Rodríguez, A., Gea, T., Font, X. Frontiers in Chemical Engineering, (2021) doi: 10.3389/fceng.2021.632752.

  • Scanning agro-industrial wastes as substrates for fungal biopesticide production: use of Beauveria bassiana and Trichoderma harzianum in solid-state fermentation. Sala, A., Vittone, S., Barrena, R., Sánchez, A., Artola, A.  Journal of Environmental Management. 295, 113113 (2021).

  • Towards PHA production from wastes: The bioconversion potential of different activated sludge and food industry wastes into VFAs through acidogenic fermentation. Montiel-Jarillo, G., Gea, T., Artola, A., Fuentes, J., Carrera, J., Suárez-Ojeda, M.E. Waste and Biomass Valorization. (2021) DOI: 10.1007/s12649-021-01480-4.

  • Fungal biopesticide production: process scale-up and sequential batch mode operation with Trichoderma harzianum using agro-industrial solid wastes of different biodegradability. Sala, A., Barrena, R., Sánchez, A., Artola, A. Chemical Engineering Journal. 425, 131620 (2021).


  • Agro-wastes and inert materials as supports for the production of biosurfactants by solid-state fermentation. Rodríguez, A., Gea, T., Sánchez, A., Font, X. Waste and Biomass Valorization. (2020). 10.1007/s12649-020-01148-5.
  • Rice husk as a source for fungal biopesticide production by solid-state fermentation using B. bassiana and T. harzianum. Sala, A., Artola, A., Sánchez, A., Barrena, R. Bioresource Technology. 296, 122322 (2020).
  • 2-phenylethanol (rose aroma) production potential of an isolated Pichia kudriavzevii through solid-state fermentation. Martínez-Avila, O., Sánchez, A., Font, X., Barrena, R. Process Biochemistry. 93, 94-103 (2020).
  • A novel two-stage aeration strategy for Bacillus thuringiensis biopesticide production from biowaste digestate through solid-state fermentation Mejias, L., Estrada, M., Barrena, R., Gea, T. Biochemical Engineering Journal. 161, 107644 (2020).
  • Brewer’s spent grain biotransformation to produce lignocellulolytic enzymes and polyhydroxyalkanoates in a two-stage valorization scheme Llimós, J., Martínez-Avila, O., Marti, E., Corchado-Lopo, C., Llenas, L., Gea, T., Ponsá, S. Biomass Conversion and Biorefinery. (2020) DOI: 10.1007/s13399-020-00918-4


  • Optimization of down-stream for cellulases produced under solid-state fermentation of coffee husk. Marín, M., Artola, A., Sánchez, A. Waste and Biomass Valorization. 10, 2761–2772 (2019).

  • Bioproduction of 2-Phenylethanol and 2-Phenethyl acetate by Kluyveromyces marxianus through the solid-state fermentation of sugarcane bagasse. Martínez, O., Sánchez, A., Font, X., Barrena, R. Applied Microbiology and Biotechnology. 102(11), 4703-4716 (2018).

  • Production of proteases from organic wastes by solid-state fermentation: downstream and zero waste strategies. Marín, M., Artola, A., Sánchez, A. 3Biotech. 8, 205 (2018).

  • Enhancing the bioproduction of value-added aroma compounds via solid-state fermentation of sugarcane bagasse and sugar beet molasses: Operational strategies and scaling-up of the process. Martínez, O., Sánchez, A., Font, X., Barrena, R. Bioresource Technology. 263, 136-144 (2018).

  • A life cycle assessment on the dehairing of rawhides: Chemical treatment versus enzymatic recovery through solid state fermentation. Catalán, E., Komilis, D., Sánchez, A. Journal of Industrial Ecology23 (2), 365-373 (2018).
  • Microbial strategies for cellulase and xylanase production through solid state fermentation of digestate from biowaste.Mejías, L., Cerda, A., Barrena, R., Gea, A., Sánchez, A. Sustainability. 10(7), 2433 (2018).
  • Bioprocesses for 2-phenylethanol and 2-phenylethyl acetate production: current state and perspectives.  Martínez-Avila, O., Sánchez, A., Font, X., Barrena, R. Applied Microbiology and Biotechnology. 102(23), 9991-10004 (2018).
  • Production and characterization of sophorolipids from stearic acid by solid-state fermentation, a cleaner alternative to chemical surfactants. Jiménez-Peñalver, P., Castillejos, M., Koh, A., Gross, R., Sánchez, A., Font, X., Gea, T. Journal of Cleaner Production. 172, 2735-2747 (2018).


    • A novel strategy for producing compost with enhanced biopesticide properties through solid-state fermentation of biowaste and inoculation with Bacillus thuringiensis. Ballardo, C., Barrena, R., Artola, A., Sánchez, A. Waste Management. 70, 53–58 (2017).
    • Cellulase and xylanase production at pilot scale by solid-state fermentation from coffee husk using specialized consortia: The consistency of the process and the microbial communities involved. Cerda, A., Mejías, L., Gea, T., Sánchez, A. Bioresource technology. 243, 1059–1068 (2017).
    • Valorization of sugarcane bagasse and sugar beet molasses using Kluyveromyces marxianus for producing value-added aroma compounds via solid-state fermentation. Martínez, O., Sánchez, A., Font, X., Barrena, R. Journal of Cleaner Production. 158 (1) 8-17 (2017).
    • Solid state fermentation and composting as alternatives to treat hair waste: A LCA comparative approach. Catalán, E., Komilis, D., Sánchez, A. Waste Management & Research. 35(7) 786-790 (2017).
    • Towards a competitive solid state fermentation: cellulases production from coffee husk by sequential batch operation and role of microbial diversity. Cerda, A., Gea, T., Vargas-García, M.C., Sánchez, A. Science of the Total Environment. 589, 56-65 (2017).
    • Solid-state fermentation as a novel paradigm for organic waste valorisation: A review. Abu Yazid, N., Barrena, B., Komilis, D., Sánchez, A. Sustainability. 9(2), 224 (2017).


    • The immobilisation of proteases produced by SSF onto functionalized magnetic nanoparticles: Application in the hydrolysis of different protein sources. Abu Yazid, N., Barrena, B., Sánchez, A. Journal of Molecular Catalysis B: Enzymatic. Acceptat per a publicació.
    • Reproducibility of solid-state fermentation at bench-scale: the case of protease production. Abraham, J., Gea, T., Komilis, D., Sánchez, A. Global Nest. Acceptat per a publicació.
    • Production of sophorolipids from winterization oil cake by solid-state fermentation: optimization, monitoring and mixing effect. Jiménez-Peñalver, P., Gea, T., Sánchez, A., Font, X. Biochemical Engineering Journal. 115, 93-100 (2016).
    • Performance, yield and characteristics of bioflocculants (UPMBF13) produced by Bacillus subtilis UPMB13 during submerged and solid-state fermentation. Zulkeflee, Z., Shamsuddin, Z.H., Aris, A.Z., Yusoff, M.K., Komilis, D., Sánchez, A. Global Nest. 18, 3, 611-620 (2016).
    • Assessment of protease activity in hydrolysed extracts from SSF of hair waste by and indigenous consortium of microorganisms. Abu Yazid, N., Barrena, B., Sánchez, A. Waste Management. 49, 420-426 (2016).
    • Inoculation effect of thermophilic microorganisms on protease production through solid-state fermentation under non-sterile conditions at lab and bench scale (SSF). El-Bakry, M., Gea, T., Sánchez, A. Bioprocess and Biosystems Engineering. 39, 585-592 (2016).
    • Valorization of soy waste through SSF for the production of compost enriched with B thuringiensis with biopesticide properties. Ballardo, C., Abraham, J., Barrena, R., Artola, A., Gea, T., Sánchez, A. Journal of Environmental Management. 169, 126-131 (2016).


    • Gaseous emissions during the solid state fermentation of different wastes for enzyme production at pilot scaleMaulini-Duran, C., Abraham, J., Rodríguez-Pérez, S., Cerda, A., Jiménez-Peñalver, P., Gea, T., Barrena, R., Artola, A., Font, X., Sánchez, A. Bioresource Technology. Accepted for publication.
    • From Wastes to High Value Added Products: Novel Aspects of SSF in the Production of Enzymes. El-Bakry, M., Abraham, J., Cerda, A., Barrena, R., Ponsá, S., Gea, T., Sánchez, A. Critical Reviews in Environmental Science and Technology. Accepted for publication.


    • Solid-state fermentation of soybean residues for bioflocculant production in a pilot-scale bioreactor system. Zulkefleea, Z. Sánchez, A. Water Science & Technology. 70, 6, 1032-1039 (2014).
    • Substitution of chemical dehairing by proteases from solid-state fermentation of hair wastes. Abraham, J., Gea, T. Sánchez, A. Journal of Cleaner Production. Journal of Cleaner Production. 7, 1, 191-198 (2014) [+].


    • Potential of the solid-state fermentation of soy fibre residues by native microbial populations for bench-scale alkaline protease production. Abraham, J., Gea, T., Sánchez, A. Biochemical Engineering Journal74, 15-19 (2013). [+]