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Cinnamon extract and its essential oil nanoliposomes – preparation, characterization and bactericidal activity assessment

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Abstract

The cinnamon essential oil and extract nanoliposomes were prepared through thin layer hydration-ultrasonication technique, using lecithin and three different co-surfactants namely, glycerol, triacetin and propylene glycol, and Tween 80 as surfactant. Results showed that the propylene glycol led to production of the nanoliposomes with the smallest mean particle size (92.03 nm) with spherical-shaped and the greatest net-zeta potential value (-24.1 mV) and was selected as more suitable co-surfactant. While, all prepared nanoliposomes had DPPH radical scavenging activities, the antioxidant activity of cinnamon extract nanoliposome was the greatest (78 ± 5%). Different amounts of cinnamon essential oil (0.25, 0.5 and 1.25 mL) were selected to prepared cinnamon essential oil nanoliposomes using propylene glycol and their antioxidant and antibacterial activities were evaluated. A good correlation was observed between amounts of cinnamon essential oil of nanoliposomes and their antioxidant activities (R2 = 0.9945). Although antibacterial activity of cinnamon essential oil and extract were greater than those were encapsulated into nanoliposomes, both cinnamon essential oil and extract nanoliposomes exhibited high antibacterial activities against Escherichia coli and Listeria monocytogenes bacteria strains. Results indicated that based on the minimum inhibitory and bactericidal concentrations of the prepared samples, L. monocytogenes had higher resistance to the prepared cinnamon nanoliposomes.

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Data availability

All data generated or analyzed during this study are included in this published article.

Abbreviations

ANOVA:

Analysis of variance

DPPH:

2,2 Diphenyl-1-picrylhydrazyl

E. coli :

Escherichia coli

Ethyl maltol:

2-Ethyl-3-hydroxy-4H-pyran-4-one

GC-MS:

Gas chromatography mass spectrometry

L. monocytogenes :

Listeria monocytogenes

MBC:

Minimum bactericidal concentration

MHA:

Mueller hinton agar

MHB:

Mueller hinton broth

MIC:

Minimum inhibitory concentration

PDI:

Polydispersity index

PTCC:

Persian type culture collection

RPM:

Revolutions per minute

TEM:

Transmission electron microscopy

UV:

Ultraviolet

V/V:

Volume for volume

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Acknowledgements

The authors appreciate the support of Islamic Azad University – Aytollah Amoli Branch to accomplish this research.

Funding

The authors appreciate Islamic Azad University – Aytollah Amoli Branch for their materials, analyses and financial supports.

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Authors and Affiliations

Authors

Contributions

Shabnam Emami: Methodology, validation, investigation, resources, data curation. Mohammad Ahmadi: Supervision and project administration. Leila Roozbeh Nasiraie: Formal and data statistical analyses. Seyed Ahmad Shahidi: Visualization, review and editing of the manuscript. Hoda Jafarizadeh-Malmiri: Design of experiments, writing final manuscript, review and editing the manuscript.

Corresponding authors

Correspondence to Mohammad Ahmadi or Hoda Jafarizadeh-Malmiri.

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The authors declare that they have no conflict of interest.

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Emami, S., Ahmadi, M., Nasiraie, L.R. et al. Cinnamon extract and its essential oil nanoliposomes – preparation, characterization and bactericidal activity assessment. Biologia 77, 3015–3025 (2022). https://doi.org/10.1007/s11756-022-01164-x

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  • DOI: https://doi.org/10.1007/s11756-022-01164-x

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