Essential oils from seeds: solubility of limonene in supercritical CO2 and how it is affected by fatty oil

Sovová, Helena; Stateva, Roumiana P.; Galushko, Anatolii A.

doi:10.1016/s0896-8446(01)00059-6

Cited by 50 publications

(26 citation statements)

References 32 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…A knowledge of the solubility of the target compounds in the SCF is necessary in order to establish whether the compound can be solubilized or not by the supercritical fluids under given conditions. Several studies have reported the solubility of essential oils in SC-CO 2 (Akgün et al 1999;Raeissi and Peters 2005a, b;Sovová et al 2001).…”

Section: Essential Oilsmentioning

confidence: 99%

Supercritical Fluid Extraction of Bioactive Compounds: Fundamentals, Applications and Economic Perspectives

Pereira

Meireles

2009

Food Bioprocess Technol

512

238

View full text Add to dashboard Cite

This review provides an updated overview of the most important applications of supercritical fluids in the extraction of bioactive compounds from plant matrices. The main factors influencing the extraction yields, solubility, and manufacturing costs are described. Aspects concerning the operational processing in the extraction and fractionation are also discussed. The data compiled herein are focused on the extraction of essential oils, phenolic compounds, carotenoids, tocopherols, and tocotrienols.

show abstract

Section: Essential Oilsmentioning

confidence: 99%

Supercritical Fluid Extraction of Bioactive Compounds: Fundamentals, Applications and Economic Perspectives

Pereira

Meireles

2009

Food Bioprocess Technol

512

238

View full text Add to dashboard Cite

show abstract

“…[10][11][12] A fractionation step, after extraction from the matrix, provides a pure oil fraction and is thus of great importance for the process. An experimental programme involving several aromatic plants, such as rosemary, 7,13 pennyroyal 9,14 and fennel 15 was developed in our laboratory using this separation technique.…”

Section: Introductionmentioning

confidence: 99%

Supercritical carbon dioxide extraction of volatiles from Satureja fruticosa Béguinot

Coelho¹,

Grosso²,

Pereira³

et al. 2007

Flavour & Fragrance J

View full text Add to dashboard Cite

Dried flowers and leaves of Satureja fruticosa Béguinot were submitted to supercritical CO 2 extraction (SFE), followed by a two-stage fractional separation. The extraction was carried out at 40°C in a flow apparatus, provided with a 1 l extraction vessel and two separators of 0.27 l each. Conditions of extraction, such as pressure, particle size of plant material and CO 2 flow rate, were studied in order to assess their influence on the yield and composition of the volatiles. The best conditions of extraction were 90 bar pressure at 1.32 kg/h CO 2 flow rate and a plant material particle size of 0.5 mm. The SFE volatiles obtained and the essential oil isolated by hydrodistillation (HD) were analysed and compared by GC and GC-MS. The oxygen-containing monoterpenes, pulegone (33-36% for SFE and 40-41% for HD), isomenthone (14-18% for SFE and 21% for HD), piperitenone (11-12% for SFE and 9-11% for HD) and piperitenone oxide (11-13% for SFE and 7-9% for HD) were the dominant components in all samples.

show abstract

“…6 Usually, when extracting essential oils from plant material using supercritical CO 2 (SC-CO 2 ), other compounds, such as cuticular waxes, fatty acids and colourants, can be co-extracted with the oils. 5,7,8 In the present study, the process conditions during the extraction of the oil from fennel fruits of Portuguese origin using SC-CO 2 were evaluated with respect to pressure and temperature, CO 2 flow rate and the particle size of the vegetable matter. In order to selectively obtain the essential oil free of most of the undesirable compounds, the conditions of separation (temperature and pressure) were also determined to obtain the essential oil in the second separator twice retaining the remaining compounds from the extracts, mainly waxes, in the first separator.…”

Section: Introductionmentioning

confidence: 99%

Supercritical carbon dioxide extraction of Foeniculum vulgare volatile oil

Coelho¹,

Pereira²,

Mendes

et al. 2003

Flavour & Fragrance J

View full text Add to dashboard Cite

Supercritical fluid extraction (SFE) with CO 2 of the volatile oil from fennel (Foeniculum vulgare ssp. piperitum (Ucria) Coutinho) was carried out at temperatures of 40 and 50°C and pressures of 90 and 100 bar in a flow apparatus using a two-stage fractional separation technique. The best conditions for extraction (pressure P = 90 bar, and temperature, T = 40°C) and separation (P = 80 bar, T = −10°C for the first separator and P = 20 bar, T = −10°C for the second) were used to assess the effect of different mean particle size and flow rate of CO 2 . The yield of the extraction and composition of the volatile oil were compared with those obtained by hydrodistillation. The study showed that the particle size of the fruits does not practically affect either the yield or the composition of the oil, with the exception of the presence of a small amount of waxes in the volatile oil extracted by SFE from the fruits presenting the highest particle size. Further, increasing of the flow rate of CO 2 does not seem to influence the composition, although it increases the rate of extraction, thus leading to a decrease of the extraction time. The fennel oil was analysed by gas chromatography (GC) and chromatography-mass spectrometry (GC-MS). The main compounds identified in the oils were fenchone (17%), estragol (21%) and (E)-anethole (43%).

show abstract

Essential oils from seeds: solubility of limonene in supercritical CO2 and how it is affected by fatty oil

Cited by 50 publications

References 32 publications

Supercritical Fluid Extraction of Bioactive Compounds: Fundamentals, Applications and Economic Perspectives

Supercritical Fluid Extraction of Bioactive Compounds: Fundamentals, Applications and Economic Perspectives

Supercritical carbon dioxide extraction of volatiles from Satureja fruticosa Béguinot

Supercritical carbon dioxide extraction of Foeniculum vulgare volatile oil

Contact Info

Product

Resources

About