Effects of Different Methods of Isolation on Volatile Composition of<i> Artemisia annua</i> L.

Vidić, Danijela; Čopra-Janićijević, Amira; Miloš, Mladen; Maksimović, Mirjana

doi:10.1155/2018/9604183

Cited by 20 publications

(13 citation statements)

References 30 publications

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“…Floral and leaf aroma of dry plant material (10 g) was collected using dynamic headspace sorption on Dräger charcoal tubes #6728631 with sorption agent coconut shell charcoal; trapping time was 3 h, at ambient condition (Vidic et al, 2018). The desiccator was used as a sampling chamber to minimize the possibility of contamination from environment.…”

Section: Sample Preparation -Isolation Of Volatilesmentioning

confidence: 99%

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Chemical composition of the essential oil and headspace of Satureja montana L.

Čopra-Janićijević

Vidić

Maksimović

2020

Natural Volatiles and Essential Oils

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Volatile constituents of Satureja montana L. collected from a natural habitat in the southern region of Bosnia and Herzegovina were isolated both by steam distillation and headspace sampling. The relative abundance of volatile compounds from the air-dried fragrant plant was analysed by GC-MS using two columns of different polarity. A total of 28 compounds were identified, constituting 93.5% of the essential oil composition. The GC pattern of headspace was different from that prepared by steam distillation. The former consisted of 14 compounds that made up 84.1% of the components identified. Both samples were dominated by oxygenated monoterpenes ranging from 55.2% for headspace of the plant material to 75.5% for the steam-distilled oil. Eleven alcohols represented the most diverse chemical class in the volatile oil (71.8%), as well as seven alcohols detected in the headspace (57.3%). GC-MS analysis of the volatiles indicates that S. montana belongs to linalool chemotype with its relative content of 38.7% for the essential oil and 23.7% for the headspace. With linalool as the most abundant constituent, the other major components were terpineol (14.7%) in the essential oil, and cis-sabinene hydrate (21.8%) and p-cymene (17.9%) in the headspace sample. The results prove that the combined approach in the extraction of volatile compounds is needed for the analysis of the aroma of complex herbal samples.

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Section: Sample Preparation -Isolation Of Volatilesmentioning

confidence: 99%

“…The GC-MS analysis on the polar column (a fused silica HP-20M polyethylene glycol) was carried out using Hewlett Packard GC-MS system (GC 5890 series II; MSD 5971A, Hewlett Packard, Vienna, Austria). Working conditions were set as we described earlier (Vidic et al, 2018).…”

Section: Gas Chromatography-mass Spectrometry (Gc-ms)mentioning

confidence: 99%

Chemical composition of the essential oil and headspace of Satureja montana L.

Čopra-Janićijević

Vidić

Maksimović

2020

Natural Volatiles and Essential Oils

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“…In medicinal and aromatic plants, growth and essential oil production are influenced by various environmental factors, drought stress being one [5][6][7]. Apart from environmental conditions other multiple factors such as; geographical area of cultivation [8], cultivation cycle [9,10], cultivation condition [11], harvest year [12,13], cultivars or varieties [14][15][16], age and part of the plant part [17][18][19], salinity [20], essential oil extraction methods [21,22], and storage conditions [23,24], can also influence essential oil production and its composition. Moreover, a significant reduction of plant growth under drought stress is a well-known and widely reported phenomenon, Ocimum species are not exceptions.…”

Section: Introductionmentioning

confidence: 99%

Influence of Drought Stress on Growth and Essential Oil Yield of Ocimum Species

Musie

Radácsi

2022

Horticulturae

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A pot experiment was conducted to assess the effect of drought stress on growth and secondary compound accumulation of Ocimum species, in a semi-controlled greenhouse during the year 2020. The experiment was performed as a factorial that was based on a randomized complete design with three species of basil namely O. basilicum ‘Genovese’, O. x africanum, and O. americanum, and three levels of water supply (70, 50, and 30% soil water capacity-SWC) that were replicated twice. The results revealed that severe drought conditions (30% SWC) significantly lowered the relative water content and, as a consequence, plants were shorter, narrower in the canopy, and produced smaller leaves which, in turn, resulted in a 50% fresh and dry herb yield loss. Furthermore, severe drought stress negatively affected the essential oil content (except O. x africanum where no change was seen), essential oil yield, and the antioxidant capacity. However, slight enhancements of glandular hair density were observed in the drought treatment than in the control. Regardless of the soil water capacity variation, the major compound of the essential oil and total polyphenol content remained unchanged. Besides drought, morphological and chemical variations were also detected among the Ocimum species. Sweet basil cultivar Genovese produced the maximum biomass (344.7 g/plant) whereas O. x africanum accumulated higher essential oil (2.79%). The major compounds that were identified were linalool in O. basilicum; 1, 8-cineole, and camphor in O. x africanum; and O. americanum had more neral and geranial. In conclusion, a higher water supply is recommended for higher biomass and essential oil yield production in the tested basil species.

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“…However, monoterpenes are mostly used for therapeutic treatment such as antibacterial and antifungal agents. Sesquiterpenes also have the potential to be used as anti-inflammatory and anticarcinogenic agents [ 31 ].…”

Section: Resultsmentioning

confidence: 99%

Soxhlet Extraction versus Hydrodistillation Using the Clevenger Apparatus: A Comparative Study on the Extraction of a Volatile Compound from Tamarindus indica Seeds

Fagbemi

Aina

Olajuyigbe

2021

The Scientific World Journal

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The present study aims to compare two traditional extraction techniques. A volatile compound from Tamarindus indica seed was obtained with Soxhlet extraction (SE) and hydrodistillation using the Clevenger apparatus (HDC). The extraction yield and chemical composition of the essential oil samples were compared. Both oils extracted were analyzed with GC-MS, and forty-one chemical compounds were identified in essential oil components from SE while forty chemical compounds were found in the HDC-extracted oil sample. The major essential oil components present in both the SE and HDC method are cis-vaccenic acid, 2-methyltetracosane, beta-sitosterol, 9,12-octadecadienoic acid (Z, Z)-, and n-hexadecanoic acid in varying concentrations. Moreover, the essential oils obtained by both methods look similar quantitatively but differ qualitatively. The HDC method produced more oxygenated compounds that contribute to the fragrance of the oil. The major constituents observed in the essential oil extracted by SE methods include cis-vaccenic acid (17.6%), beta-sitosterol (12.71%), 9,12-octadecadienoic acid (Z, Z)- (11.82%), n-hexadecanoic acid (8.16%), 9,12-octadecadienoic acid, methyl ester (5.84%), oleic acid (4.54%), and 11-octadecenoic acid and methyl ester (3.94%). However, in the hydrodistillation technique, the oil was mostly composed of 9,12-octadecadienoic acid (Z, Z)- (23.72%), cis-vaccenic acid (17.16%), n-hexadecanoic acid (11.53%), beta-sitosterol (4.53%), and octadecanoic acid (3.8%). From the data obtained, HDC seems to be a better method for extraction of Tamarindus indica essential oil compared to the Soxhlet extraction apparatus.

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Effects of Different Methods of Isolation on Volatile Composition of Artemisia annua L.

Cited by 20 publications

References 30 publications

Chemical composition of the essential oil and headspace of Satureja montana L.

Chemical composition of the essential oil and headspace of Satureja montana L.

Influence of Drought Stress on Growth and Essential Oil Yield of Ocimum Species

Soxhlet Extraction versus Hydrodistillation Using the Clevenger Apparatus: A Comparative Study on the Extraction of a Volatile Compound from Tamarindus indica Seeds

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