Microbial Diversity in Olive Mill Wastewater: Insights, Implications, and Future Directions

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dc.authorid0000-0001-5330-7442
dc.authorid0000-0001-6596-0879
dc.contributor.authorDogru, N. Hacioglu
dc.contributor.authorHurkan, K.
dc.contributor.authorKarakas, I.
dc.date.accessioned2026-02-03T12:00:42Z
dc.date.available2026-02-03T12:00:42Z
dc.date.issued2025
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractWhen olives are processed into olive oil, olive mill wastewater (OMW) is produced, containing water, olive pulp, skin, and other organic materials. Rich in polyphenols and lipids, this complex waste can pollute soil and water sources due to its high organic and toxic compound content, acidity, salinity levels, and unbalanced nutrients. In this study, we focused on revealing the microbial diversity and physicochemical properties of OMW and discussed biotechnological potential. In this study, some physicochemical parameters of the OMW samples obtained from five different olive oil production enterprises in & Ccedil;anakkale province and microbial diversity were determined by metabarcoding method using V3/V4 regions of 16S rRNA. It was observed that all OMW samples were classified as much polluted water in terms of temperature, pH, dissolved oxygen, biochemical oxygen demand, total nitrogen, total organic carbon, and oil and grease values. It was determined that the rates of oleuropein, an important phenolic component, varied between 7.1 mg/L-117 +/- 7 mg/L, and the highest rate was obtained from station IV. When the biodiversity data of all stations were compared, it was revealed that the first five families represented by the highest number of genera and species were Enterobacteriaceae (Gammaproteobacteria), Lactobacillaceae (Firmicutes), Acetobacteraceae (Alphaproteobacteria), Erythrobacteraceae (Alphaproteobacteria) and Prevotellaceae (Bacteroidetes). While the obtained physicochemical parameters reveal the disadvantages of releasing OMW samples into the environment without treatment, the high microbial diversity percentages in all OMW samples show that OMW is an important source for comprehensive microbial biotechnology studies.
dc.description.sponsorshipCanakkale Onsekiz Mart University Scientific Research Projects Coordination Unit [FBA-2022-4138]
dc.description.sponsorshipThis study was supported by Canakkale Onsekiz Mart University Scientific Research Projects Coordination Unit (Project number: FBA-2022-4138).
dc.identifier.doi10.1134/S1062359025600916
dc.identifier.issn1062-3590
dc.identifier.issn1608-3059
dc.identifier.issue6
dc.identifier.scopus2-s2.0-105021107072
dc.identifier.scopusqualityQ4
dc.identifier.urihttps://doi.org/10.1134/S1062359025600916
dc.identifier.urihttps://hdl.handle.net/20.500.12428/34671
dc.identifier.volume52
dc.identifier.wosWOS:001609341700007
dc.identifier.wosqualityQ4
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherPleiades Publishing Inc
dc.relation.ispartofBiology Bulletin
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WOS_20260130
dc.subjectmetabarcoding approach
dc.subjectmicrobial flora
dc.subjectphysicochemical analysis
dc.subjectphenolic compound
dc.titleMicrobial Diversity in Olive Mill Wastewater: Insights, Implications, and Future Directions
dc.typeArticle

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