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Comparison of Continuous Percolation and Ultrasound-Assisted Extraction (UAE) Methods on Total Phenolic Content of 70% Ethanol Extract of Purslane (Portulaca oleracea L.) Aditya Sindu Sakti; Fransisca Dita Mayangsari; Sri Bintang Sahara Mahaputra Kusuma Negara; Elasari Dwi Pratiwi; Sandrawati
Jurnal FARMASIMED (JFM) Vol 8 No 1 (2025): Jurnal Farmasimed (JFM)
Publisher : Fakultas Farmasi Institut Kesehatan Medistra Lubuk Pakam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35451/dxzsgc71

Abstract

Background: Portulaca oleracea L., commonly known as Krokot, is rich in phenolic compounds with notable pharmacological benefits. Optimizing extraction methods is critical to maximize its bioactive potential. Objective: This study aimed to compare the efficiency of Continuous Percolation (CP) and Ultrasound-Assisted Extraction (UAE) in obtaining total phenolic content (TPC) from 70% ethanol extract of P. oleracea. Methods: Dried powdered P. oleracea was subjected to CP and UAE using a 1:10 (w/v) plant-to-solvent ratio. Qualitative screening with FeCl₃ confirmed the presence of phenolics. TPC was quantified using the Folin–Ciocalteu method, expressed as mg gallic acid equivalent (GAE)/g extract. Statistical analysis included normality testing, Levene’s test, and the Mann–Whitney U test. Results: UAE yielded significantly higher TPC (420.04 ± 0.40 mg GAE/g) compared to CP (354.30 ± 0.00 mg GAE/g; p = 0.034), although CP produced a higher extract mass. Statistical results confirmed the superiority of UAE in selectively extracting phenolic constituents. Conclusion: UAE is more effective than CP in extracting phenolic compounds from P. oleracea, likely due to enhanced cavitation-induced mass transfer. This method is recommended for maximizing phenolic recovery in plant-based extractions, especially for thermolabile compounds.
Pemanfaatan Minyak Jelantah Berbasis Masyarakat melalui Teknologi Farmasi: Peningkatan Pengetahuan Kesehatan Lingkungan lewat Produksi Sabun di Desa Gufasa Aditya Sindu Sakti; Amran Nur; Bambang Tjiroso; Sandrawati
Jurnal Surya Vol 18 No 02 (2026): VOL. 18 NO. 02 AUGUST 2026
Publisher : Universitas Muhammadiyah Lamongan

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Introduction: Recycled cooking oil has been used to make soap, but it has environmental and health hazards. This study assessed the effectiveness of a community educational intervention to enhance the knowledge of used cooking oil management and soap production. Methods: Nine women attended an educational session, demonstration, and hands-on soapmaking activity. Knowledge was assessed using a validated pre- and post-intervention questionnaire, and measures of satisfaction and confidence. Results: The reliability of the questionnaire was high (Cronbach’s α = 0.903). Knowledge scores went from 66.7% to 98.9% – a 32.2 percentage point increase. Eight improved while 1 remained perfect. Overall satisfaction was 100% and 88.9% reported very high confidence in making their own soap. Conclusion: The intervention was effective in improving short-term knowledge and practical confidence of used cooking oil recycling. It may improve household environmental health literacy and circular economy practices. Longer–term follow-up in larger controlled studies is needed to assess sustained outcomes and product safety.
Co-Authors Aditya Sindu Sakti Amran Nur Bambang Tjiroso Elasari Dwi Pratiwi Fransisca Dita Mayangsari Sri Bintang Sahara Mahaputra Kusumanegara