Filamentous fungi isolated from Tunisian olive mill wastes: use of solid-state fermentation for enzyme production

  • Hanen ZAIER Laboratory of Integrated Olive Production, Olive Tree Institute, Hedi Karray Street, P.O. Box 208, 2080, Ariana
  • Sameh MAKTOUF Laboratory of Sustainability of Olive Growing in Semi-Arid and Arid Regions: Improvement of Olive Productivity and Product Quality, Olive Tree Institute, Sfax
  • Sevastianos ROUSSOS Aix Marseille University, Avignon University, CNRS, IRD, IMBE, Marseille
  • Ali RHOUMA Laboratory of Integrated Olive Production, Olive Tree Institute, Hedi Karray Street, P.O. Box 208, 2080, Ariana
Keywords: biotechnological applications; enzymes; fungi; olive oil wastes; solid-state fermentation (SSF); valorization


Olive mill wastewaters and olive cake are effluents generated during olive oil production process. They represent a major disposal and potentially severe pollution problem for the industry, also promising source of substances of high value. The aim of this study is the valorization of olive mill wastes (OMWW, olive cake, olive twigs and leaves) to produce enzymes with high industrial and biotechnological potential, by the solid-state fermentation technique (SSF), from isolated fungi present in olive mill wastewater and olive cake. A total of 47 strains were isolated and purified from these two residues. The metabolic potential of isolated strains was study by testing the hydrolytic enzymes activities of lipase, protease, amylase, cellulase, invertase, phytase and tannase on agar plate media containing different substrate. The monitoring of SSF has shown that the metabolic activity of these strains is extremely rapid using this technique. Our fungi collection contains a diversity of strains capable to producing a variety of enzymes of biotechnological interest.


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How to Cite
ZAIER, H., MAKTOUF, S., ROUSSOS, S., & RHOUMA, A. (2021). Filamentous fungi isolated from Tunisian olive mill wastes: use of solid-state fermentation for enzyme production. Notulae Botanicae Horti Agrobotanici Cluj-Napoca, 49(1), 12125.
Research Articles
DOI: 10.15835/nbha49112125