Changes in the Essential Oil Content and Composition of Lippia citriodora under Vacuum Oven-drying and Pre-drying Operation

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Rezvani Aghdam Ali; NAGHDI BADI HASANALI; ABDOSSI VAHID; HAJIAGHAEE REZA; HOSSEINI SEYYED EBRAHIM

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Journal: Journal of Medicinal Plants Year:2019 | Volume:18 | Issue:SUPPLEMENT 12 Page(s): 110-120

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Title

Changes in the Essential Oil Content and Composition of Lippia citriodora under Vacuum Oven-drying and Pre-drying Operation

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Keywords

Lippia citriodoraQ3

ChlorophyllQ2

DryingQ1

Essential OilQ1

GeranialQ3

NeralQ3

Abstract

Background: Pre-Drying operations and Drying methods have a significant effect on the quantity and quality of plants Essential Oils. Objective: In this study, the effect of pre-Drying operation and vacuum oven-Drying was investigated on the Essential Oil content and composition of Lippia citriodora. Method: This research was conducted as a factorial experiment in a completely randomized design (CRD) with three replications. The two studied factors were (1) pre-Drying operations in two levels including pre-Drying and without pre-Drying operation, and also (2) Drying methods in 5 levels including fresh plant, shade Drying and vacuum oven-Drying at 35, 45 and 55° C at 0. 5 bar atmospheric pressure. In this study, the amount of pigments and Essential Oil content and composition were measured. Results: The results indicated that the highest Chlorophyll content was related to treatment of vacuum oven-Drying at 55 ° C with a pre-Drying treatment, while the highest amount of Essential Oil was obtained by vacuum oven-Drying at 45 ° C without a pre-Drying operation. The highest amounts of monoterpene hydrocarbons, oxygenated monoterpenes, and Geranial were obtained by Drying at 55 ° C, while the highest content of sesquiterpene hydrocarbons, oxygenated sesquiterpenes and Neral were observed in Low-temperature Drying. Conclusion: In geNeral, this study indicated that vacuum oven-Drying at 45 ° C was the best Drying method for obtaining maximum content of Essential Oil and active components.

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APA: Copy

Rezvani Aghdam, Ali, NAGHDI BADI, HASANALI, ABDOSSI, VAHID, HAJIAGHAEE, REZA, & HOSSEINI, SEYYED EBRAHIM. (2019). Changes in the Essential Oil Content and Composition of Lippia citriodora under Vacuum Oven-drying and Pre-drying Operation. JOURNAL OF MEDICINAL PLANTS, 18(SUPPLEMENT 12 ), 110-120. SID. https://sid.ir/paper/15905/en

Vancouver: Copy

Rezvani Aghdam Ali, NAGHDI BADI HASANALI, ABDOSSI VAHID, HAJIAGHAEE REZA, HOSSEINI SEYYED EBRAHIM. Changes in the Essential Oil Content and Composition of Lippia citriodora under Vacuum Oven-drying and Pre-drying Operation. JOURNAL OF MEDICINAL PLANTS[Internet]. 2019;18(SUPPLEMENT 12 ):110-120. Available from: https://sid.ir/paper/15905/en

IEEE: Copy

Ali Rezvani Aghdam, HASANALI NAGHDI BADI, VAHID ABDOSSI, REZA HAJIAGHAEE, and SEYYED EBRAHIM HOSSEINI, “Changes in the Essential Oil Content and Composition of Lippia citriodora under Vacuum Oven-drying and Pre-drying Operation,” JOURNAL OF MEDICINAL PLANTS, vol. 18, no. SUPPLEMENT 12 , pp. 110–120, 2019, [Online]. Available: https://sid.ir/paper/15905/en

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