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Optimization of Hydrodistillation of Rosemary Essential Oil: Comparison With Supercritical CO2 Extraction

Author

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  • Ouassila Larkeche

    (University Constantine 3, Algeria)

  • Ahmed Zermane

    (Universiy Larbi Ben Mhidi Oum El Bouaghi, Algeria)

  • Abdeslam-Hassen Meniai

    (Laboratoire ingénierie des procédés de l'environement, University Constantine 3, Algeria)

  • Souad Boubaira

    (University Constantine 3, Algeria)

  • Hayat Kouis

    (University Constantine 3, Algeria)

  • Hafida Boubadjaa

    (University Constantine 3, Algeria)

Abstract

Extraction of essential oil from Algerian rosemary leaves is carried out by means of a hydro-distillation process. The important operating parameters such as extraction time, condensation flow rate and water/solid plant material ratio, have been investigated. The highest yield value was 1.92% and was obtained for a water/plant ratio, a condensate flowrate, and extraction time of 20, 4.51ml/min and 120 min, respectively. The essential oil components have been identified using the GCMS analysis which show camphor as the major ingredient, followed by camphene, α-pinene and 1,8-cineole. The results have been compared with those obtained using a supercritical carbon dioxide extraction process, which has shown to be more much better quantitatively and qualitatively.

Suggested Citation

  • Ouassila Larkeche & Ahmed Zermane & Abdeslam-Hassen Meniai & Souad Boubaira & Hayat Kouis & Hafida Boubadjaa, 2020. "Optimization of Hydrodistillation of Rosemary Essential Oil: Comparison With Supercritical CO2 Extraction," International Journal of Energy Optimization and Engineering (IJEOE), IGI Global, vol. 9(3), pages 51-61, July.
    • Handle: RePEc:igg:jeoe00:v:9:y:2020:i:3:p:51-61
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