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Published December 6, 2020 | Version v1
Journal article Open

Olive Mill Wastes: A Source of Bioactive Molecules for Plant Growth and Protection against Pathogens

Authors/Creators

  • 1. Department of Chemistry and NMR-Based Metabolomics Laboratory, Sapienza University of Rome, 00185 Rome, Italy
  • 2. Department of Chemistry, Sapienza University of Rome, 00185 Rome, Italy
  • 3. Bio-Products-Bio-Processes Laboratory, Division of Biotechnology and Agriculture, Department for Sustainability, ENEA, Casaccia Research Center, 00123 Rome, Italy
  • 4. Department of Biology and Biotechnology Charles Darwin, Sapienza University of Rome, 00185 Rome, Italy
  • 5. CREA-Council for Agricultural Research and Economics, Research Centre for Agriculture and Environment, 00184 Rome, Italy
  • 6. CREA—Council for Agricultural Research and Economics, Research Centre for Food and Nutrition, 00184 Rome, Italy
  • 7. Order of Agronomists and Forestry Doctors, Province of Viterbo, 01100 Viterbo, Italy
  • 8. NMR-Based Metabolomics Laboratory, Department of Environmental Biology and CIABC, Sapienza University of Rome, 00185 Rome, Italy
  • 9. Department of Chemistry and CIABC, Sapienza University of Rome, 00185 Rome, Italy
  • 10. Department of Biology and Biotechnology Charles Darwin and CIABC, Sapienza University of Rome, 00185 Rome, Italy

Description

Olive oil is the most common vegetable oil used for human nutrition, and its production represents a major economic sector in Mediterranean countries. The milling industry generates large amounts of liquid and solid residues, whose disposal is complicated and costly due to their polluting properties. However, olive mill waste (OMW) may also be seen as a source of valuable biomolecules including plant nutrients, anthocyanins, flavonoids, polysaccharides, and phenolic compounds. This review describes recent advances and multidisciplinary approaches in the identification and isolation of valuable natural OMW-derived bioactive molecules. Such natural compounds may be potentially used in numerous sustainable applications in agriculture such as fertilizers, biostimulants, and biopesticides in alternative to synthetic substances that have a negative impact on the environment and are harmful to human health.

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