Sustainable Antioxidant Production for Hygienic Disinfection Using Bioextractants from Lavender and Oregano Distillation Process

Aikaterini Itziou, Konstantinos Zaralis, Annita Theofanous, Maria Louloudi, Georgios Rozos, Ioanna A. Vasiliadou, Evangelia Lakioti, Vayos Karayannis () and Constantinos Tsanaktsidis
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Aikaterini Itziou: Department of Midwifery, School of Health Sciences, University of Western Macedonia, 50200 Ptolemaida, Greece
Konstantinos Zaralis: Department of Agriculture, School of Agricultural Sciences, University of Western Macedonia, 53100 Florina, Greece
Annita Theofanous: Department of Chemistry, School of Natural Sciences, University of Ioannina, 45110 Ioannina, Greece
Maria Louloudi: Department of Chemistry, School of Natural Sciences, University of Ioannina, 45110 Ioannina, Greece
Georgios Rozos: Department of Agriculture, School of Agricultural Sciences, University of Western Macedonia, 53100 Florina, Greece
Ioanna A. Vasiliadou: Department of Chemical Engineering, School of Engineering, University of Western Macedonia, Kila, 50100 Kozani, Greece
Evangelia Lakioti: Department of Public and One Health, School of Health Sciences, University of Thessaly, 43100 Karditsa, Greece
Vayos Karayannis: Department of Chemical Engineering, School of Engineering, University of Western Macedonia, Kila, 50100 Kozani, Greece
Constantinos Tsanaktsidis: Department of Chemical Engineering, School of Engineering, University of Western Macedonia, Kila, 50100 Kozani, Greece

Energies, 2023, vol. 16, issue 22, 1-17

Abstract: In the current study, the production of novel antioxidants for hygienic disinfection against common pathogenic bacteria, based on the incorporation of bioextractant oils/waters from either lavender or oregano distillates is proposed in the framework of circular economy. For the first time, the main compounds found in distillation products (oils/waters), specifically of lavender Lavandula angustifolia (lynalyl acetate and linalool) and of oregano Oreganum vulgare (carvacrol, thymol, and p-cymene) are presented. The analyses of both the lavender and oregano essential oils/waters indicate excellent physicochemical properties and microbial absence. Moreover, the antioxidant activity of all distillates as DPPH radical scavengers is assessed. The results confirm that the essential oils of both oregano and lavender possess superior antioxidant activity to their corresponding waters, while the oregano oil exhibited far better antioxidant activity than the lavender oil, as 1 mL of oregano oil was able to consume 45 μmoles of DPPH radicals. Overall, our research findings suggest that the particular lavender and oregano bioextractants produced possess important potential to address the resistance of bacteria from the perspective of their wider exploitation in therapeutic or preventive medicine, thus contributing to enhancing public health.

Keywords: sustainable; antioxidants; bioextractants; Lavandula angustifolia; Oreganum vulgare; distillation process; hygienic disinfection; circular economy (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
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