Effectiveness of Soluble Oxygen in Preparation of Thyme Oil Nanoemulsion-Simulation and Characterization

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AHMADI O.; JAFARIZADEH MALMIRI H.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: Journal of Iranian Chemical Engineering (Farsi Edition) Year:2020 | Volume:19 | Issue:110 Page(s): 42-53

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Title

Effectiveness of Soluble Oxygen in Preparation of Thyme Oil Nanoemulsion-Simulation and Characterization

Author(s)

AHMADI O. | JAFARIZADEH MALMIRI H. | Issue Writer Certificate

Keywords

Antibacterial ActivityQ1

Antioxidant ActivityQ1

Dissolved OxygenQ1

NanoemulsionQ1

Subcritical WaterQ2

SimulationQ1

Thyme Essential OilQ2

Abstract

Due to the sensitivity of plant essential oils to molecular oxygen which, that causes oxidation and destruction of oils and changes its properties, it can be removed from the aqueous phase, during preparation of oil in water Nanoemulsions. In the present study, Dissolved Oxygen was removed by nitrogen purging, and the Thyme Essential Oil Nanoemulsions, under Subcritical Water conditions (temperature 120 oC for 2 h) and using Tween 80, were prepared by two types of aqueous phases having Dissolved Oxygen and without that. Obtained results indicated that by removal Dissolved Oxygen from the aqueous phase, characteristics of the prepared Nanoemulsions were improved and their mean particle size and polydispersity index decreased from 170 to 83 nm and from 0. 562 to 0. 2012, respectively, and zeta potential changed from-1. 27 to-3. 25 mV. Evaluation of the antioxidant and antibacterial activities of the prepared Nanoemulsions against Streptococcus mutans, bacteria strain that causes tooth decay, also indicated that Antioxidant Activity of the formed Nanoemulsions increased from 31. 3% to 45% and their bactericidal activity, as manifested in diameter of the created clear zone, increased from 11 to 18 mm. Finally, based on obtained results and Simulation of the operation conditions for the Nanoemulsion preparation process, indicated that pressure of 1. 7 bar was necessary and by removal Dissolved Oxygen from the aqueous phase consumed energy decreased from 10. 01 and 8. 88 kJ/h.

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APA: Copy

AHMADI, O., & JAFARIZADEH MALMIRI, H.. (2020). Effectiveness of Soluble Oxygen in Preparation of Thyme Oil Nanoemulsion-Simulation and Characterization. IRANIAN CHEMICAL ENGINEERING JOURNAL, 19(110 ), 42-53. SID. https://sid.ir/paper/380351/en

Vancouver: Copy

AHMADI O., JAFARIZADEH MALMIRI H.. Effectiveness of Soluble Oxygen in Preparation of Thyme Oil Nanoemulsion-Simulation and Characterization. IRANIAN CHEMICAL ENGINEERING JOURNAL[Internet]. 2020;19(110 ):42-53. Available from: https://sid.ir/paper/380351/en

IEEE: Copy

O. AHMADI, and H. JAFARIZADEH MALMIRI, “Effectiveness of Soluble Oxygen in Preparation of Thyme Oil Nanoemulsion-Simulation and Characterization,” IRANIAN CHEMICAL ENGINEERING JOURNAL, vol. 19, no. 110 , pp. 42–53, 2020, [Online]. Available: https://sid.ir/paper/380351/en

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