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Hydraulic pressing optimization and physicochemical characterization of Jatropha curcas seed oil

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Title: Hydraulic pressing optimization and physicochemical characterization of Jatropha curcas seed oil
Authors: Nitièma-Yefanova, Svitlana, Yé, Siédouba Georges, Son, Gouyahali, Nébié, Roger C. H., Bonzi-Coulibaly, Yvonne L.
Source: IRA-International Journal of Applied Sciences (ISSN 2455-4499); Vol 17, No 4: Q4: 2022; 31-40 ; 2455-4499
Publisher Information: IRA Academico Research
Publication Year: 2022
Collection: Institute of Research Advances (IRA): E-Journals
Subject Terms: Applied Sciences, Jatropha curcas seed oil, cold pressing, process optimization, oil recovery, physicochemical characteristics, Natural Science
Description: Jatropha curcas seed oil can be used for numerous purposes including fuel, soap and cosmetics. Better quality oil is obtained by cold pressing, the effectiveness of which is unfortunately limited by a low extraction rate. The objective of this study was to optimize cold hydraulic extraction parameters of Jatropha curcas seed oil by increasing the oil recovery and characterising the extracted oil. The key extraction parameters (dwell time, pressure, compression speed, and press cage charge) were determined using a laboratory hydraulic press. The results show that the unhulled and dehulled seeds contained 5.1 and 2.9% moisture, as well as 33.6 and 51.7% fat, respectively. Under the optimal operating conditions and at ambient temperature (25 °C), the oil recovery from whole (crushed) material was 38.2 (42.5)% unhulled seeds and 71.3 (69.5)% dehulled seeds. The physicochemical characteristics of cold-extracted Jatropha oil were 10ppm phosphorus, 1.9 ppm iron, 0.0 ppm copper, 0.15% water-volatile matter, 0.918 (15 °C) density, and 37.72 cSt (37.8 °C) kinematic viscosity, respectively. In conclusion, the optimized cold hydraulic extraction of jatropha seed oil leads to high oil recovery and good oil quality suitable for industrial applications.
Document Type: article in journal/newspaper
File Description: application/pdf
Language: English
Relation: https://research-advances.org/index.php/IRAJAS/article/view/1729/1337
DOI: 10.21013/jas.v17.n4.p1
Availability: https://research-advances.org/index.php/IRAJAS/article/view/1729
https://doi.org/10.21013/jas.v17.n4.p1
Rights: Copyright (c) 2022 IRA-International Journal of Applied Sciences (ISSN 2455-4499)
Accession Number: edsbas.2782DA3D
Database: BASE
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  – Url: https://research-advances.org/index.php/IRAJAS/article/view/1729#
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  Data: Hydraulic pressing optimization and physicochemical characterization of Jatropha curcas seed oil
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  Data: <searchLink fieldCode="AR" term="%22Nitièma-Yefanova%2C+Svitlana%22">Nitièma-Yefanova, Svitlana</searchLink><br /><searchLink fieldCode="AR" term="%22Yé%2C+Siédouba+Georges%22">Yé, Siédouba Georges</searchLink><br /><searchLink fieldCode="AR" term="%22Son%2C+Gouyahali%22">Son, Gouyahali</searchLink><br /><searchLink fieldCode="AR" term="%22Nébié%2C+Roger+C%2E+H%2E%22">Nébié, Roger C. H.</searchLink><br /><searchLink fieldCode="AR" term="%22Bonzi-Coulibaly%2C+Yvonne+L%2E%22">Bonzi-Coulibaly, Yvonne L.</searchLink>
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  Data: IRA-International Journal of Applied Sciences (ISSN 2455-4499); Vol 17, No 4: Q4: 2022; 31-40 ; 2455-4499
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  Data: IRA Academico Research
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  Data: 2022
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  Data: <searchLink fieldCode="DE" term="%22Applied+Sciences%22">Applied Sciences</searchLink><br /><searchLink fieldCode="DE" term="%22Jatropha+curcas+seed+oil%22">Jatropha curcas seed oil</searchLink><br /><searchLink fieldCode="DE" term="%22cold+pressing%22">cold pressing</searchLink><br /><searchLink fieldCode="DE" term="%22process+optimization%22">process optimization</searchLink><br /><searchLink fieldCode="DE" term="%22oil+recovery%22">oil recovery</searchLink><br /><searchLink fieldCode="DE" term="%22physicochemical+characteristics%22">physicochemical characteristics</searchLink><br /><searchLink fieldCode="DE" term="%22Natural+Science%22">Natural Science</searchLink>
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  Label: Description
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  Data: Jatropha curcas seed oil can be used for numerous purposes including fuel, soap and cosmetics. Better quality oil is obtained by cold pressing, the effectiveness of which is unfortunately limited by a low extraction rate. The objective of this study was to optimize cold hydraulic extraction parameters of Jatropha curcas seed oil by increasing the oil recovery and characterising the extracted oil. The key extraction parameters (dwell time, pressure, compression speed, and press cage charge) were determined using a laboratory hydraulic press. The results show that the unhulled and dehulled seeds contained 5.1 and 2.9% moisture, as well as 33.6 and 51.7% fat, respectively. Under the optimal operating conditions and at ambient temperature (25 °C), the oil recovery from whole (crushed) material was 38.2 (42.5)% unhulled seeds and 71.3 (69.5)% dehulled seeds. The physicochemical characteristics of cold-extracted Jatropha oil were 10ppm phosphorus, 1.9 ppm iron, 0.0 ppm copper, 0.15% water-volatile matter, 0.918 (15 °C) density, and 37.72 cSt (37.8 °C) kinematic viscosity, respectively. In conclusion, the optimized cold hydraulic extraction of jatropha seed oil leads to high oil recovery and good oil quality suitable for industrial applications.
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  Data: 10.21013/jas.v17.n4.p1
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      – SubjectFull: Jatropha curcas seed oil
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      – SubjectFull: cold pressing
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      – SubjectFull: physicochemical characteristics
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