Modeling of the Thyme–Supercritical Carbon-Dioxide Extraction System. II. The Influence of Extraction Time and Carbon Dioxide Pressure

Zeković, Zoran; Lepojević, Žika; Tolić, Aleksandar

doi:10.1081/ss-120016650

Cited by 12 publications

(9 citation statements)

References 4 publications

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“…Modified Reverchon-Sesti Osseo model is developed from Reverchon-Sesti Osseo model as shown in Eq. (1) [21,22,25]:…”

Section: Modified Reverchon-sesti Osseo Modelmentioning

confidence: 99%

“…There are various kinetic models developed for the application in supercritical extraction [3]. Reverchon-Sesti Osseo model has been employed in several studies involving the extraction of basil oil, thyme, rosemary, marjoram and lavender [19][20][21][22][23]. In this study, the extraction of active substances (fixed oil) from sage leaves at 40, 50 and 60 • C and jatropha seeds at 50 • C are conducted using supercritical carbon dioxide.…”

Section: Q2mentioning

confidence: 99%

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Kinetic modelling of supercritical carbon dioxide extraction of sage (Salvia officinalis L.) leaves and jatropha (Jatropha curcas L.) seeds

Mićić

Yusup

Damjanović

et al. 2015

The Journal of Supercritical Fluids

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“…Modified Reverchon-Sesti Osseo model is developed from Reverchon-Sesti Osseo model as shown in Eq. (1) [21,22,25]:…”

Section: Modified Reverchon-sesti Osseo Modelmentioning

confidence: 99%

Section: Q2mentioning

confidence: 99%

Kinetic modelling of supercritical carbon dioxide extraction of sage (Salvia officinalis L.) leaves and jatropha (Jatropha curcas L.) seeds

Mićić

Yusup

Damjanović

et al. 2015

The Journal of Supercritical Fluids

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“…that was transformed [27][28][29] where Y is the normalized extraction yield (%), t is the extraction time and t i is the internal diffusion time. To avoid the evaluation of internal diffusion time, t i , Eq.…”

Section: The Modified Reverchon-sesti Osseo Mathematical Model Of Extmentioning

confidence: 99%

Determination of extraction conditions of Ginkgo biloba L. leaves by supercritical CO2 using response surface methodology

Milosevic

Lepojevic

Zekovic

et al. 2011

Hem Ind

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The effects of process parameters on the extraction of Ginkgo biloba L. leaves with supercritical carbon dioxide were investigated. The investigated parameters include particle size (mean particle diameter 0.19, 0.467 and 1.009 mm), solvent flow rate (1.5810-3, 3.2210-3 and 4.1610-3 kg CO2/min) and pressure (100-300 bar), which were obtained by the response surface methodology (RSM) under the following condition ranges: temperature 40-50-60ºC, pressure 100-140-180 bar and extraction time of 2-3-4 h at the flow rate of 3.2210-3 kg/min. Based on the experimental results of kinetics of Ginkgo biloba leaves extraction with supercritical carbon dioxide, modeling of the extraction system of Ginkgo biloba-supercritical CO2 was done. Two mathematical models (Reverchon-Sesti Osseo and Sovová) were applied to correlate the experimental data. RSM was applied to optimize the process parameters of supercritical carbon dioxide extraction of Ginkgo biloba L. leaves. A second-order polynomial response surface equation was developed indicating the effect of variables on Ginkgo biloba extraction yield. The statistical analysis of the experiment indicated that pressure (X1), extraction time (X3), the quadratic of temperature (X22), and the interaction between pressure and extraction time (X1X3), show significant effect on the extraction yield. The results showed that the data were adequately fitted into the second-order polynomial model. It was predicted that the optimum extraction process parameters within the experimental ranges would be the extraction temperature of 52.7ºC, the pressure of 184.4 bar, and the extraction time of 3.86 h. Under these conditions, the predicted extraction yield is 2.39% (g/100 g drug)

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“…In a previous work on supercritical fluid extraction (SFE) of thyme (Thymus vulgaris L.), the influence of flow rate of carbon dioxide and grinding degree of thyme (11), as well as of extraction time and carbon dioxide pressure (13), were reported. In this paper, Dr. Zoran Zeković, Assist.…”

Section: Introductionmentioning

confidence: 99%

Modeling of the thyme: Liquid carbon dioxide extraction system

et al. 2003

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The extraction of thyme (Thymus vulgaris L) by liquid carbon dioxide was investigated. The obtained extracts were analyzed by HPLC and GC-MS methods, and their composition was compared with that of the essential oil obtained by steam distillation and by supercritical carbon dioxide at 100 bar and 40°C. To model extraction of the thyme - liquid carbon dioxide system, we used the Reverchon - Sesti Osseo equation, as well as our modified equation

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Modeling of the Thyme–Supercritical Carbon-Dioxide Extraction System. II. The Influence of Extraction Time and Carbon Dioxide Pressure

Cited by 12 publications

References 4 publications

Kinetic modelling of supercritical carbon dioxide extraction of sage (Salvia officinalis L.) leaves and jatropha (Jatropha curcas L.) seeds

Kinetic modelling of supercritical carbon dioxide extraction of sage (Salvia officinalis L.) leaves and jatropha (Jatropha curcas L.) seeds

Determination of extraction conditions of Ginkgo biloba L. leaves by supercritical CO2 using response surface methodology

Modeling of the thyme: Liquid carbon dioxide extraction system

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