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Supercritical fluid extraction of jojoba oil

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Journal of the American Oil Chemists' Society

Abstract

Supercritical fluid extraction of jojoba oil from Simmondsia chinensis seeds using CO2 as the solvent is presented in this study. The effects of process parameters such as pressure and temperature of extraction, particle size of jojoba seeds, flow rate of CO2, and concentration of entrainer (hexane) on the extraction yield were examined. Increases in the supercritical CO2 flow rate, temperature, and pressure generally improved the performance. The extraction yield increased as the particle size decreased, indicating the importance of decreasing intraparticle diffusional resistance. The maximum extraction yield obtained was 50.6 wt% with a 0.23-mm particle size and a 2 mL/min CO2 flow rate at 90°C and 600 bar. Use of an entrainer at a concentration of 5 vol% improved the yield to 52.2 wt% for the same particle size and also enabled the use of relatively lower pressure and temperature, i.e., 300 bar and 70°C.

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Authors and Affiliations

  1. Department of Chemical Engineering, Faculty of Engineering, Ankara University, Tandogan, 06100, Ankara, Turkey

    Uĝur Salgin & Ayla Çalimli

  2. Department of Chemical Engineering, Faculty of Engineering and Architecture, Gazi University, Maltepe, 06570, Ankara, Turkey

    Bekir Zühtü Uysal

Authors
  1. Uĝur Salgin
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  2. Ayla Çalimli
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  3. Bekir Zühtü Uysal
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Correspondence to Ayla Çalimli.

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Salgin, U., Çalimli, A. & Zühtü Uysal, B. Supercritical fluid extraction of jojoba oil. J Amer Oil Chem Soc 81, 293–296 (2004). https://doi.org/10.1007/s11746-004-0898-3

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  • DOI: https://doi.org/10.1007/s11746-004-0898-3

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