Effect of different extraction techniques on the composition of essential oil isolated from fennel (Foeniculum vulgare Mill.) rhizome

IF 2.2 3区农林科学 Q3 CHEMISTRY, APPLIED Journal of Essential Oil Research Pub Date : 2022-08-06 DOI:10.1080/10412905.2022.2107102

D. Cvetković, J. Stanojević, Natalija Djordjević, Ivana T. Karabegović, L. Stanojević, B. Pavlić, B. Danilović

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引用次数: 3

Abstract

ABSTRACT The aim of the presented work was to compare the efficiency of innovative (solvent-free microwave extraction, microwave-assisted hydrodistillation and supercritical CO2 extraction) extraction techniques vs. conventional Clevenger hydrodistillation of essential oil (EO) from poorly studied fennel rhizome. It was found that innovative extraction techniques enhance the EOs/extracts isolation, save time and exclude solvents providing green ecologically technologies. Solvent-free microwave extraction proved to be the most efficient with limonene and (E)-anethole as dominant compounds in concentration of 12.34 ± 0.31 and 35.63 ± 1.51 mg/ml, respectively, as well as with the largest number of isolated and identified compounds. Primary aroma compounds were identified by two direct headspace techniques – static headspace extraction (HSS) and headspace solid phase microextraction (HS-SPME) confirming limonene and (E)-anethole as dominant compounds in primary aroma mixture with 53.7 ± 2.02% and 30.9 ± 1.43% (HSS) and 69.8 ± 2.80% and 13.1 ± 0.11% (HS-SPME), respectively.

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不同提取工艺对茴香根茎精油成分的影响

摘要本研究的目的是比较创新的(无溶剂微波萃取、微波辅助加氢蒸馏和超临界CO2萃取)提取技术与传统的Clevenger加氢蒸馏技术对茴香根茎精油(EO)的提取效率。研究发现，创新的提取技术提高了EOs/提取物的分离，节省了时间，并排除了溶剂，提供了绿色生态技术。结果表明，无溶剂微波提取效果最好，柠檬烯和(E)-茴香脑为优势化合物，萃取浓度分别为12.34±0.31和35.63±1.51 mg/ml，分离和鉴定的化合物数量最多。采用静态顶空萃取(HSS)和顶空固相微萃取(HS-SPME)两种直接顶空技术鉴定了主要香气成分，确定柠檬烯和(E)-茴香脑为主要香气成分，分别占53.7±2.02%和30.9±1.43% (HSS)和69.8±2.80%和13.1±0.11% (HS-SPME)。

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来源期刊

Journal of Essential Oil Research 工程技术-食品科技

CiteScore

6.00

自引率

3.30%

发文量

审稿时长

18-36 weeks

期刊介绍： Journal of Essential Oil Research ( JEOR) is the major forum for the publication of essential oil research and analysis. Each issue includes studies performed on the chemical composition of some of the 20,000 aromatic plants known in the plant kingdom. JEOR is devoted entirely to all phases of research from every corner of the world by the experts in their field. JEOR''s main areas of focus include: -Analytical chemistry- Biological activity- Biotechnology- Chemical composition- Chemical synthesis- Chemosystematics- Microbiological activity- Plant biochemistry/biosynthesis- Toxicology. Published six times per year, JEOR provides articles on the aromatic principles of a plant or its isolates and are directed toward furthering our readers'' knowledge of the aromatic plant and animal kingdoms.