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Article

Influence of Harvest Time, Method of Preparation and Method of Distillation on the Qualitative Properties of Organically Grown and Wild Helichrysum italicum Immortelle Essential Oil

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Department of Agricultural Technology, Storage and Transport, Faculty of Agriculture, University of Zagreb, 10000 Zagreb, Croatia
2
Department of Agricultural Engineering, University of Novi Sad, 21000 Novi Sad, Serbia
*
Author to whom correspondence should be addressed.
Academic Editor: Solmaz Hajizadeh
Separations 2021, 8(10), 167; https://doi.org/10.3390/separations8100167
Received: 2 September 2021 / Revised: 24 September 2021 / Accepted: 1 October 2021 / Published: 3 October 2021
The most important process in immortelle is the extraction of the essential oil by distillation. The chemical properties of the plant depend largely on the cultivation type, climatic conditions and agrotechnical measures. In this work, studies were carried out on organically grown and wild immortelle harvested during the summer (July) and autumn (October) seasons of 2020. Immortelle samples were prepared by drying naturally in two ways: in direct sunlight and in shade. To extract the essential oil, immortelle was distilled in two ways: on an industrial and a laboratory scale. The essential oil was analyzed by gas chromatography to determine the composition and quality of the essential oil. The results of this work showed that the qualitative properties of the essential oil were influenced by the cultivation type, harvesting time, preparation method and distillation method. A higher yield (0.21% ± 0.03) of essential oil was obtained from wild immortelle whereas a better utilization rate (0.38% ± 0.09) of essential oil was obtained from the organically grown immortelle. It was also found that a higher yield of essential oil was obtained from the summer harvest (0.19% ± 0.01) and a higher utilization rate from the autumn harvest (0.33% ± 0.13) with the industrial scale distillation and shade drying. In general, better qualitative properties of immortelle essential oil were obtained from wild immortelle, which was confirmed by a chromatographic analysis and better content of γ-curcumene (16.64% ± 0.30) and neryl acetate (8.15% ± 0.19) and other constituents except α-pinene where organically grown had a higher share (24.27% ± 0.97). View Full-Text
Keywords: immortelle; harvest; drying; qualitative properties; essential oil; α-pinene; neryl acetate immortelle; harvest; drying; qualitative properties; essential oil; α-pinene; neryl acetate
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MDPI and ACS Style

Matin, A.; Pavkov, I.; Grubor, M.; Jurišić, V.; Kontek, M.; Jukić, F.; Krička, T. Influence of Harvest Time, Method of Preparation and Method of Distillation on the Qualitative Properties of Organically Grown and Wild Helichrysum italicum Immortelle Essential Oil. Separations 2021, 8, 167. https://doi.org/10.3390/separations8100167

AMA Style

Matin A, Pavkov I, Grubor M, Jurišić V, Kontek M, Jukić F, Krička T. Influence of Harvest Time, Method of Preparation and Method of Distillation on the Qualitative Properties of Organically Grown and Wild Helichrysum italicum Immortelle Essential Oil. Separations. 2021; 8(10):167. https://doi.org/10.3390/separations8100167

Chicago/Turabian Style

Matin, Ana, Ivan Pavkov, Mateja Grubor, Vanja Jurišić, Mislav Kontek, Franko Jukić, and Tajana Krička. 2021. "Influence of Harvest Time, Method of Preparation and Method of Distillation on the Qualitative Properties of Organically Grown and Wild Helichrysum italicum Immortelle Essential Oil" Separations 8, no. 10: 167. https://doi.org/10.3390/separations8100167

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