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Cundari, Lia
Department Of Chemical Engineering, Faculty Of Engineering, Universitas Sriwijaya, Indonesia
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EFFECTS OF DILUTION AND AGITATION ON EUCALYPTUS PELLITA ESSENTIAL OIL EXTRACTION Kemas Muhammad Bagus; Muhammad Rifqi Syaghaf; Lia Cundari
Walisongo Journal of Chemistry Vol. 9 No. 1 (2026): Walisongo Journal of Chemistry
Publisher : Department of Chemistry Faculty of Science and Technology UIN Walisongo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/wjc.v9i1.31088

Abstract

Eucalyptus pellita essential oil is commonly extracted by hydrodistillation; however, this process has limited efficiency due to heat and mass-transfer constraints. Process parameters, such as solvent loading and agitation, offer promising but understudied opportunities for process intensification to improve oil yield and quality. This study aimed to analyze the interactive effects of the leaf-to-solvent mass ratio and agitation speed on the extraction yield and chemical profile of E. pellita essential oil obtained through hydrodistillation. Extraction was performed using 150 g of chopped E. pellita leaves with particle sizes of 0.1–0.5 cm at 100°C for 4 hours under atmospheric pressure. The independent variables were leaf-to-solvent mass ratios of 1:4, 1:6, and 1:8, and agitation speeds of 300, 600, and 900 rpm. The extracted oil was quantified based on yield and chemical composition. The chemical profile of the essential oil was characterized using gas chromatography–mass spectrometry (GC–MS). The results showed that solvent proportion had a more significant effect than agitation speed. The 1:8 ratio produced the highest oil mass of 0.62 g and yield of 0.41%. GC–MS analysis identified α-pinene, eucalyptol (1,8-cineole), L-α-terpineol, caryophyllene, and bicyclo[3.1.1]heptane as the major components. This study demonstrates the decoupled effects of solvent ratio and agitation in E. pellita hydrodistillation, revealing the solvent ratio as a chemical driver of compositional selectivity and agitation speed as a physical driver of system homogeneity. This distinction provides a targeted strategy for simultaneously optimizing extraction yield and oil quality.
Co-Authors Achmad Naufal Al Ghifary Achmad Zaidan Ade Tiara Agung D. Aryansyah Agung Gunawan Agus Suranto Al-Faiz, Ahmad Haris Aldi Ramadhani Aldi Ramadhani Alfatih, Muhammad Ma'ruf Alisan, Cinthya Putri Alna Livia Fanneza Althaf Taufiqurrahman Alvina Suryadinata Alvina Suryadinata Amanda Nabila Hasya Amira Siti Ramadhani Andini, Handalia Putri Aristya Fahrizul Ariva, Helmi Asha Aisha Julian Asnari, Muhammad Asyeni Miftahul Jannah Bazlina Dawami Afrah Bobby Redian D. Dionisius David Bahrin Dedek Oktari Dwi Anggraini Dyos Santoso Eki Saputra Endang Supriyatna Eva Oktarinasari Fachry Abda El Rahman Fahmi Nurusman Faisal Akbar Adin Farid Hayu Kurniawan Fitri Hadiah Fitri, Rizza Fadillah Friskha Hanifah Sakinah Gayatri, Rianyza Guluh Fauziah Marintika Habil Majid Wirawan Hadi Samhudi Herani, Lingga Putri Illovine Hadassa Indahsari, Siti Rachmi Januari, Ristian Julian, Asha Aisha Kemas Muhammad Bagus Kha-Rizma Yudia Zannah Larasati, Wulan Ayum Leily Nurul Komariah Leonardo R. Ginting Luthfiyah A. Sayyidah Miftahurrizka Afrah Muhammad A. Rizan Muhammad Alik Aziz Muhammad Ardian Muhammad Radhiy Sukandar Muhammad Rifqi Syaghaf Nanda Citra Arisma Ni'matul Hakiki Vebri Awan Nucke Aurelia Oktarinasari, Eva Omar Ibrahim Patrick Rudy Meizakh Perdana. Ts, Redho Putri Ramadhania Putri, Anisyah Kamila R. Rosalina Ramadhanty, Rizky Vasya Riady, M.I. Ripaldi, Alif Rizka Wulandari Putri Rizki, Fadhilah Rosalina Rosalina RR. Ella Evrita Hestiandari Selpiana, Selpiana Sinta, Eis Candra Suci Dwijayanti Suhendra, Ahmad Adi Susila Arita Susmanto, Prahady Teddy Suryadinata Tubagus Riadz Tuti Indah Sari, Tuti Indah Tuty Emilia Agustina Untung Waluyo uthfiyah A. Sayyidah wahyuningsih, dwi retno Winandyo Mangkoto Wulan Ayum Larasati Yandriani Yandriani Zalman, Arjun