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1. Composition of essential oil of lemon thyme (Thymus × citriodorus) at different hydrodistillation times

Author:
Jurevičiūtė, Rūta; Ložienė, Kristina; Bruno, Maurizio; Maggio, Antonella; Rosselli, Sergio
Source:
Natural product research 2019 v.33 no.1 pp. 80-88
ISSN:
1478-6427
Subject:
hydrodistillation,   etc   ; Thymus citriodorus; analytical methods; citral; essential oils; geraniol; sesquiterpenoids;     Show all 7 Subjects
Abstract:
... Distillation time can both to optimise the production and to engineer the composition of essential oil in essential oil bearing plants. Purpose of this study was to evaluate the effect of duration of hydrodistillation on composition of essential oil of Thymus × citriodorus, the natural source of commercially important geraniol and citral, a component with valuable biological properties. Essential ...
DOI:
10.1080/14786419.2018.1434642

2. Essential oil composition of Dracocephalum kotschyi Boiss. from Iran

Author:
Sonboli, Ali; Mirzania, Foroogh; Gholipour, Abbas
Source:
Natural product research 2019 v.33 no.14 pp. 2095-2098
ISSN:
1478-6427
Subject:
hydrodistillation,   etc   ; Dracocephalum; aerial parts; essential oils; gas chromatography-mass spectrometry; herbs; mountains; oils; Iran;     Show all 9 Subjects
Abstract:
... Dracocephalum kotschyi is one of the medicinal and fragrant herbs that can be found in natural locations of mountainous areas. In this investigation the hydrodistilled essential oils obtained from aerial parts of two populations of D. kotschyi collected from Siahbisheh and Baladeh were analysed by capillary GC-FID and GC-MS. Essential oil analysis led to the identification of 48 compounds that rep ...
DOI:
10.1080/14786419.2018.1482550

3. Leaf essential oils and their application in systematics of Juniperus excelsa complex in Iran

Author:
Hojjati, Fatemeh; Sereshti, Hassan; Hojjati, Marzieh
Source:
Biochemical systematics and ecology 2019 v.84 pp. 29-34
ISSN:
0305-1978
Subject:
hydrodistillation,   etc   ; Juniperus excelsa; Juniperus polycarpos var. seravschanica; borneol; essential oils; hybrids; leaves; limonene; myrcene; oils; Iran;     Show all 11 Subjects
Abstract:
... The composition of the leaf essential oils of ten populations of Juniperus excelsa complex in Iran are reported and compared. Hydrodistillation yielded in 0.08%–3.78% dry weight (v/w) clear oils among populations studied. The oils are mostly dominated by α- Pinene, Limonene and β-Myrcene. The simplest oil was found in Qushchi (J. polycarpos var. polycarpos) with 25 components and the most complex ...
DOI:
10.1016/j.bse.2019.03.004

4. Essential oil composition of leaves and flowers of two endemic Phlomis L. species (Phlomis cypria post and Phlomis brevibracteata Turrill) from Northern Cyprus

Author:
Hanoğlu, A.; Yiğit Hanoğlu, D.; Demirci, B.; Özkum Yavuz, D.; Başer, K. H. C.; Çaliş, İ.
Source:
TheJournal of essential oil research 2019 v.31 no.3 pp. 196-202
ISSN:
2163-8152
Subject:
hydrodistillation,   etc   ; Phlomis; beta-caryophyllene; essential oils; flowers; gas chromatography-mass spectrometry; germacrene; leaves; Cyprus;     Show all 9 Subjects
Abstract:
... Essential oils of the leaves and flowers of Phlomis cypria and P. brevibracteata were isolated by hydrodistillation and analysed by GC and Gas chromatography - mass spectroscopy (GC-MS), simultaneously. Essential oil yields of the four samples ranged between 0.07% and 0.09% (v/w). The essential oils of leaves (L) and flowers (F) of P. brevibracteata were found to be rich in β-caryophyllene (L: 21. ...
DOI:
10.1080/10412905.2019.1566099

5. Kinetics of mace (Myristicae arillus) essential oil extraction using microwave assisted hydrodistillation: Effect of microwave power

Author:
Megawati,; Fardhyanti, Dewi Selvia; Sediawan, Wahyudi Budi; Hisyam, Anwaruddin
Source:
Industrial crops and products 2019 v.131 pp. 315-322
ISSN:
0926-6690
Subject:
hydrodistillation,   etc   ; alpha-pinene; cold; dew; diffusivity; essential oils; mace; mass transfer; microwave treatment; oils; water;     Show all 11 Subjects
Abstract:
... Mace essential oil extractions were carried out using hydrodistillation (HD) and microwave assisted hydrodistillation (MAHD). The powers used were varied from 300, 600, and 800 W. The amounts of oil from dew resulted from condensation were measured every 1 min. The condensation was done using 12 °C cold water. From the experimental results, MAHD is seen to be superior to HD. The extraction using M ...
DOI:
10.1016/j.indcrop.2019.01.067

6. Essential oil compounds from the leaf of Eugenia samanensis Alain (Myrtaceae), a species endemic to the Samaná Peninsula, Dominican Republic

Author:
Bida, Morgan R.; Dominguez, Jonathan; Jones Miguel, Dalia; Guerrero, Angela; Pagano, Todd
Source:
TheJournal of essential oil research 2019 v.31 no.2 pp. 154-159
ISSN:
2163-8152
Subject:
hydrodistillation,   etc   ; Eugenia; endangered species; essential oils; gas chromatography-mass spectrometry; ionization; leaves; monoterpenoids; sesquiterpenoids; Dominican Republic;     Show all 10 Subjects
Abstract:
... Eugenia samanensis Alain is an endangered species of Myrtaceae unique to the Samaná Peninsula, Dominican Republic. We investigated its foliar essential oil (EO) composition from dried leaves, extracted via hydrodistillation, by gas chromatography-mass spectrometry (GC-MS) for identification and gas chromatography-flame ionization detection (GC-FID) for quantification. E. samanensis leaves produced ...
DOI:
10.1080/10412905.2018.1518275

7. Boosting the essential oil yield from the rhizomes of cassumunar ginger by an eco-friendly solvent-free microwave extraction combined with central composite design

Author:
Yingngam, Bancha; Brantner, Adelheid
Source:
TheJournal of essential oil research 2018 v.30 no.6 pp. 409-420
ISSN:
2163-8152
Subject:
hydrodistillation,   etc   ; essential oils; ginger; irradiation; light microscopy; oils; rhizomes; sabinene;     Show all 8 Subjects
Abstract:
... This study aimed to apply the solvent-free microwave extraction (SFME) for isolating the essential oil from the rhizomes of cassumunar ginger and study the kinetic mechanism during the extraction process by light microscopy. A central composite design was employed to evaluate the influence of the key variables including microwave power and irradiation time on the oil recovery. The optimal process ...
DOI:
10.1080/10412905.2018.1503099

8. Effect of pressure variation on the efficiency of supercritical fluid extraction of wild carrot (Daucus carota subsp. maritimus) extracts

Author:
Majdoub, Siwar; El Mokni, Ridha; Muradalievich, Aliev Aslan; Piras, Alessandra; Porcedda, Silvia; Hammami, Saoussen
Source:
Journal of chromatography 2019 v.1125 pp. 121713
ISSN:
1570-0232
Subject:
hydrodistillation,   etc   ; Daucus carota; acetates; carrots; chemical composition; essential oils; gas chromatography-mass spectrometry; supercritical fluid extraction; temperature;     Show all 9 Subjects
Abstract:
... The present study was conducted to check the comparative qualities of essential oils prepared by hydrodistillation (HD) and supercritical fluid techniques. It constitutes the first attempt to investigate the chemical composition of Daucus carota subsp. maritimus extracts using supercritical fluid technology (SFE) as an environmentally clean innovative method of extraction. The effect of pressure o ...
DOI:
10.1016/j.jchromb.2019.121713

9. Essential oil compositions of subspecies of Scutellaria brevibracteata Stapf from Turkey

Author:
Yılmaz, Gülderen; Çiçek, Mehmet; Demirci, Betül; Başer, K. Hüsnü Can
Source:
TheJournal of essential oil research 2019 v.31 no.4 pp. 255-262
ISSN:
2163-8152
Subject:
hydrodistillation,   etc   ; Scutellaria; aerial parts; beta-caryophyllene; chemical composition; essential oils; gas chromatography-mass spectrometry; linalool; oils; palmitic acid; Turkey (country);     Show all 11 Subjects
Abstract:
... The essential oils obtained by hydrodistillation from the aerial parts of three subspecies of Scutellaria brevibracteata (subsp. brevibracteata, subsp. subvelutina and subsp. pannosula) collected from their natural localities in Turkey were analyzed by gas chromatography (GC) and gas chromatography-mass spectrometry (GC-MS), simultaneously. On the basis of chromatographic analysis and data analyze ...
DOI:
10.1080/10412905.2019.1579762

10. Promising antifungal activity of Croton tricolor stem essential oil against Candida yeasts

Author:
Miranda, Fabrício Mendes; Braga do Nascimento Junior, Baraquizio; Aguiar, Rosane Moura; Pereira, Rafael Santos; De Oliveira Teixeira, Adonias; De Oliveira, Djalma Menezes; Lima, Edeltrudes de Oliveira; Oigman, Silvia Siag; de Rezende, Cláudia Moraes; Froldi, Guglielmina
Source:
TheJournal of essential oil research 2019 v.31 no.3 pp. 223-227
ISSN:
2163-8152
Subject:
hydrodistillation,   etc   ; Candida; Croton; alpha-bisabolol; antifungal properties; beta-caryophyllene; candidiasis; essential oils; liquids; minimum inhibitory concentration; stems; yeasts;     Show all 12 Subjects
Abstract:
... The aim of this research was to determine the phytoconstituents of the essential oil (EO) obtained from stems of Croton tricolor and to study its antifungal activity against several Candida species. The EO was extracted from C. tricolor stems by hydrodistillation with a Clevenger apparatus. This EO was characterized by four major components: epiglobulol, α-bisabolol, α-trans-bergamotol and β-caryo ...
DOI:
10.1080/10412905.2018.1539416

11. Pressurized liquid and ultrasound-assisted extraction of α-bisabolol from candeia (Eremanthus erythropappus) wood

Author:
Santos, Kátia Andressa; Gonçalves, José Eduardo; Cardozo-Filho, Lúcio; da Silva, Edson Antônio
Source:
Industrial crops and products 2019 v.130 pp. 428-435
ISSN:
0926-6690
Subject:
hydrodistillation,   etc   ; Eremanthus; alpha-bisabolol; essential oils; ethanol; ethyl acetate; experimental design; hexane; liquids; oils; solvents; temperature; ultrasonic treatment; wood;     Show all 14 Subjects
Abstract:
... Alpha-Bisabolol is an optically active sesquiterpene applied in various commercial products and obtained at high concentration in essential oil extracted from candeia (Eremanthus erythropappus (DC.) Macleish) wood. In this study, the non-conventional pressurized liquid extraction (PLE) and ultrasound-assisted extraction (UAE) methods were employed to evaluate candeia oil quality in terms of yield ...
DOI:
10.1016/j.indcrop.2019.01.013

12. Measuring dielectric properties for microwave-assisted extraction of essential oils using single-mode and multimode reactors

Author:
Parizotto, Carlos A.; Dall'Oglio, Evandro L.; de Vasconcelos, Leonardo G.; de Sousa, Paulo T.; Taques Filho, Eduardo G. R.; Kuhnen, Carlos Alberto
Source:
RSC advances 2019 v.9 no.10 pp. 5259-5269
ISSN:
2046-2069
Subject:
hydrodistillation,   etc   ; Cymbopogon nardus; Eucalyptus; Piper aduncum; absorption; dielectric properties; energy efficiency; essential oils; green chemistry; microwave treatment; temperature; water content;     Show all 12 Subjects
Abstract:
... The dielectric properties of Cymbopogon nardus, Eucalyptus sp., Piper aduncum and Piper hispidinervum were investigated as a function of frequency and temperature, using dry plant matter and its mixtures with water at different concentrations. This was followed by the extraction of essential oils performed with microwave heating in single-mode and multimode cavities with a variable power 6.0 kW ge ...
DOI:
10.1039/c8ra08727j

13. Kinetics studies on effects of extraction techniques on bioactive compounds from Vernonia cinerea leaf

Author:
Alara, O. R.; Abdurahman, N. H.
Source:
Journal of food science and technology 2019 v.56 no.2 pp. 580-588
ISSN:
0022-1155
Subject:
hydrodistillation,   etc   ; Cyanthillium cinereum; bioactive compounds; environmental impact; gas chromatography-mass spectrometry; kinetics; leaves; microwave treatment; oils; solid phase extraction; solvents;     Show all 11 Subjects
Abstract:
... Recently, unconventional methods especially microwave-assisted hydrodistillation extraction (MAHE) is being used as an alternative technique for extracting bioactive compounds from plant materials due to its advantages over conventional methods such as Soxhlet extraction (SE). In this study, bioactive compounds were extracted from Vernonia cinerea leaf using both MAHE and SE methods. In addition, ...
DOI:
10.1007/s13197-018-3512-4

14. Essential oil composition of aerial parts from Algerian Anacyclus monanthos subsp. cyrtolepidioides (Pomel) Humphries

Author:
Fodil, Hadjer; Sarri, Madani; Hendel, Noui; Maggi, Filippo; Sarri, Djamel
Source:
Natural product research 2019 v.33 no.2 pp. 292-295
ISSN:
1478-6427
Subject:
hydrodistillation,   etc   ; Anacyclus; acetates; aerial parts; chemical composition; essential oils; gas chromatography-mass spectrometry; germacrene; semiarid zones; Algeria;     Show all 10 Subjects
Abstract:
... The chemical composition of the essential oil from the aerial parts of Anacyclus monanthos subsp. cyrtolepidioides (Pomel) Humphries (Asteraceae) growing in a semi-arid region of Algeria was investigated for the first time. The essential oil was obtained by hydrodistillation and fully characterized by gas chromatography-mass spectrometry (GC-MS). A total of 97 compounds were identified. The essent ...
DOI:
10.1080/14786419.2018.1443094

15. Characterization of volatiles from Moroccan propolis samples

Author:
El-Guendouz, Soukaïna; Lyoussi, Badiaâ; Miguel, Maria Graça; Figueiredo, A. Cristina
Source:
TheJournal of essential oil research 2019 v.31 no.1 pp. 27-33
ISSN:
2163-8152
Subject:
hydrodistillation,   etc   ; cedrol; chemical composition; cluster analysis; essential oils; gas chromatography-mass spectrometry; propolis; volatile compounds; Algeria; Canary Islands; Ethiopia; Morocco;     Show all 12 Subjects
Abstract:
... The volatiles from 24 propolis samples collected from different geographical locations in Morocco were evaluated. Propolis volatiles isolated by hydrodistillation and analyzed by gas chromatography (GC) and gas chromatography–mass spectrometry (GC-MS). Cluster analysis based on propolis samples’ volatile chemical composition defined two main uncorrelated clusters. Cluster I, with 23 of the 24 samp ...
DOI:
10.1080/10412905.2018.1520748

16. Chemical composition, kinetic study and antimicrobial activity of essential oils from Cymbopogon schoenanthus L. Spreng extracted by conventional and microwave-assisted techniques using cryogenic grinding

Author:
Bellik, Fatima-Zohra; Benkaci-Ali, Farid; Alsafra, Zouheir; Eppe, Gauthier; Tata, Samira; Sabaou, Nasserdine; Zidani, Racim
Source:
Industrial crops and products 2019 v.139 pp. 111505
ISSN:
0926-6690
Subject:
hydrodistillation,   etc   ; Cymbopogon schoenanthus; antimicrobial properties; carbon dioxide; chemical composition; energy; essential oils; gas chromatography-mass spectrometry; grinding; leaves; microwave treatment; physical properties; steam distillation;     Show all 13 Subjects
Abstract:
... In this present work, volatile oils from Cymbopogon schoenanthus L. Spreng’s (CS) leaves extracted by microwave assisted hydrodistillation (MAHD) and microwave assisted steam distillation (MASD) were studied according to simple (SG) and cryogenic grinding (CG) and compared with conventional hydrodistillation (HD).Extraction time, kinetics, energy consumption, CO2 rejected, physical properties, che ...
DOI:
10.1016/j.indcrop.2019.111505

17. Selection of genotypes (citral chemotype) of Lippia alba (Mill.) N. E. Brown regarding seasonal stability of the essential oils chemical profile

Author:
Soares, Carlos Henrique do Nascimento; Damasceno, Pedro Corrêa; Campos, Ivana de Mello; Amorim, Gustavo Torres dos Santos; Carmo, Margarida Goréte Ferreira do; Chaves, Douglas Siqueira de Almeida; Souza, Marco Andre Alves de
Source:
Industrial crops and products 2019 v.139 pp. 111497
ISSN:
0926-6690
Subject:
hydrodistillation,   etc   ; Lippia alba; analysis of variance; chemotypes; cluster analysis; cosmetics; environmental factors; essential oils; gas chromatography-mass spectrometry; geranial; isomers; metabolites; neral; probability; summer; t-test; winter;     Show all 17 Subjects
Abstract:
... The Lippia alba essential oil has been used for the preparation of cosmetics, which makes important the search for a plant that presents chemical and sensorial properties with greater stability under varying environmental conditions. In this context, the objective of this work was to identify genotypes of L. alba that are stable regarding to essential oil profile in two seasons. For this purpose, ...
DOI:
10.1016/j.indcrop.2019.111497

18. Three-stage microwave extraction of cumin (Cuminum cyminum L.) seed essential oil with natural deep eutectic solvents

Author:
Zhao, Yiping; Wang, Peng; Zheng, Wei; Yu, Guowei; Li, Zuguang; She, Yuanbin; Lee, Mawrong
Source:
Industrial crops and products 2019
ISSN:
0926-6690
Subject:
hydrodistillation,   etc   ; Cuminum cyminum; cellulose; choline chloride; cumin; essential oils; gas chromatography-mass spectrometry; lactic acid; microwave radiation; microwave treatment; solvents; sustainable technology; ultrasonic treatment; volatile compounds;     Show all 14 Subjects
Abstract:
... As a class of promising green media, natural deep eutectic solvents (NADESs) have attracted more and more attention in recent years. In this paper, a novel method based on microwave-assisted natural deep eutectic solvents pretreatment coupled with microwave hydrodistillation (MA-NADES-MHD) was used for the extraction of essential oil from Cuminum cyminum L. seed. NADESs were used as pretreatment s ...
DOI:
10.1016/j.indcrop.2019.111660

19. Chemical composition of essential oils from four Rhododendron species and their repellent activity against three stored-product insects

Author:
Bai, Li; Jiao, Mei-Ling; Zang, Hong-Yuan; Guo, Shan-Shan; Wang, Yang; Sang, Yu-Li; Du, Shu-Shan
Source:
Environmental science and pollution research international 2019 v.26 no.22 pp. 23198-23205
ISSN:
0944-1344
Subject:
hydrodistillation,   etc   ; Lasioderma serricorne; Liposcelis bostrychophila; Rhododendron; Tribolium castaneum; adults; borneol; chemical composition; essential oils; gas chromatography-mass spectrometry; germacrene; storage insects; China;     Show all 13 Subjects
Abstract:
... The objective of this work was to analyze four essential oils (EOs) from Rhododendron species in China and evaluate their repellent activity against Tribolium castaneum, Lasioderma serricorne, and Liposcelis bostrychophila adults. These four EOs from Rhododendron species, including R. capitatum, R. przewalskii, R. mucronulatum, and R. micranthum, were obtained by hydrodistillation. Major component ...
DOI:
10.1007/s11356-019-05577-1

20. Compositional analysis of the essential oil of Boswellia dalzielii frankincense from West Africa reveals two major chemotypes

Author:
DeCarlo, Anjanette; Johnson, Stephen; Okeke-Agulu, Kingsley I.; Dosoky, Noura S.; Wax, Sophia J.; Owolabi, Moses S.; Setzer, William N.
Source:
Phytochemistry 2019 v.164 pp. 24-32
ISSN:
0031-9422
Subject:
hydrodistillation,   etc   ; Boswellia; alpha-pinene; chemical composition; chemotypes; cluster analysis; enantiomers; essential oils; gas chromatography; limonene; mass spectrometry; myrcene; oleoresins; p-cymene; trees; Ghana; Nigeria;     Show all 17 Subjects
Abstract:
... Frankincense, an oleoresin produced by Boswellia species, has historical medicinal and religious significance, and is today used extensively for its essential oil. Boswellia dalzielii, a species found in West Africa, is one of the few frankincense species for which there is no information on the oleoresin essential oil. In order to correct this deficiency, the chemical compositions of the essentia ...
DOI:
10.1016/j.phytochem.2019.04.015