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<p>We compared oil recovery from <i>Moringa oleifera</i> seeds using two techniques: Soxhlet extraction (SE) and Ultrasound-Assisted Extraction (UAE) with petroleum ether (PE) and hexane as solvents. Soxhlet extraction with petroleum ether yielded the highest oil recovery (46.92%), surpassing UAE with petroleum ether (20.04%). Similarly, Soxhlet with hexane (40.08%) produced a higher yield than UAE with hexane (28.32%), highlighting the significant impact of extraction methodology on oil recovery. UAE offered a more efficient alternative, requiring three times less solvent and five times shorter processing time while yielding oils with lower acidity, better stability, and superior quality. Fatty acid profiling identified oleic acid (70.0%) as the predominant component, followed by palmitic acid (20.0%), making these the major constituents of <i>Moringa</i> seed oil. UAE-extracted oils exhibited higher unsaturated fatty acid (UFA) levels, a higher iodine value, and lower oxidative stability indices (COX values), reinforcing their superior quality. Additionally, Moringa seed cake demonstrated significant efficacy in water treatment, reducing microbial load by 59.42% and turbidity by 79.64%. These findings highlight Soxhlet extraction as the preferred method for maximizing oil yield. In contrast, the UAE emerges as a sustainable alternative for high-quality oil production with lower solvent consumption and reduced processing time. Moreover, the water-treatment performance underscores the broader eco-friendly potential of <i>Moringa oleifera</i> by-products.</p> Graphical abstract <p></p>

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Optimizing Moringa seed oil extraction and transforming residues into eco-friendly water treatment solutions in Morocco

  • 期刊论文

  • 发表日期：

    2026年1月6日

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  • Said Labbassi,
  • Chaima Afi,
  • Maryem Telmoudi,
  • Naima Chabbi,
  • Mohamed Ouknin,
  • Rachid Bouharroud,
  • Redouan Qessaoui,
  • Abdelaziz Mimouni,
  • Khadija Bendiab,
  • Driss Hsissou,
  • Abdelghani Tahiri,
  • Naima Ait Aabd

摘要

We compared oil recovery from Moringa oleifera seeds using two techniques: Soxhlet extraction (SE) and Ultrasound-Assisted Extraction (UAE) with petroleum ether (PE) and hexane as solvents. Soxhlet extraction with petroleum ether yielded the highest oil recovery (46.92%), surpassing UAE with petroleum ether (20.04%). Similarly, Soxhlet with hexane (40.08%) produced a higher yield than UAE with hexane (28.32%), highlighting the significant impact of extraction methodology on oil recovery. UAE offered a more efficient alternative, requiring three times less solvent and five times shorter processing time while yielding oils with lower acidity, better stability, and superior quality. Fatty acid profiling identified oleic acid (70.0%) as the predominant component, followed by palmitic acid (20.0%), making these the major constituents of Moringa seed oil. UAE-extracted oils exhibited higher unsaturated fatty acid (UFA) levels, a higher iodine value, and lower oxidative stability indices (COX values), reinforcing their superior quality. Additionally, Moringa seed cake demonstrated significant efficacy in water treatment, reducing microbial load by 59.42% and turbidity by 79.64%. These findings highlight Soxhlet extraction as the preferred method for maximizing oil yield. In contrast, the UAE emerges as a sustainable alternative for high-quality oil production with lower solvent consumption and reduced processing time. Moreover, the water-treatment performance underscores the broader eco-friendly potential of Moringa oleifera by-products.

Graphical abstract