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Febryan Kusuma Wisnu
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Prototipe Portabel Berbasis pH dan Turbiditas untuk Estimasi Cepat Asam Lemak Bebas pada Minyak Sawit Mentah Abimanyu, Akhmad Asrho Berlian; Wisnu, Febryan Kusuma; Telaumbanua, Mareli; Warji, Warji; Asmara, Sandi; Wijaya, I Gede Krishna
Jurnal Agricultural Biosystem Engineering Vol. 5 No. 1 (2026): March 2026
Publisher : abe.fp.unila.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jabe.v5i1.12903

Abstract

Free fatty acid is an important parameter in determining the quality of crude palm oil. High free fatty acid content can reduce oil quality and cause economic losses in palm oil processing. The conventional method commonly used to determine free fatty acid content is acid-base titration, but this method requires chemicals, laboratory equipment, and relatively long analysis time. This study aimed to design a portable device for rapid detection of free fatty acid content in crude palm oil using pH meter, turbidity meter, and artificial neural network. Oil samples were obtained from oil palm fruitlets with different physical damage levels. Free fatty acid content was measured using titration, while pH and turbidity were used as input variables in the artificial neural network model. The results showed that pH had a relationship with free fatty acid content with a coefficient of determination of 0.3516, while turbidity had a stronger relationship with a coefficient of determination of 0.7636. The best artificial neural network model was obtained using the tansig-logsig-logsig activation function, with R² of 0.9501 and RMSE of 0.6390 in calibration. In the testing stage, the model produced R² of 0.8061 and RMSE of 1.9222. The developed prototype can be used as a rapid method to estimate free fatty acid content in crude palm oil.
Co-Authors Abimanyu, Akhmad Asrho Berlian Agus Haryanto Agus Haryanto Agus Haryanto Anna Mardiana Handayani Ayu Anggiana Brilliantina, Aulia Budianto Lanya Budianto Lanya Cicih Sugianti Dwi Dian Novita Eka Yana Elhamida Rezkia Amien Elok Kurnia Novita Sari Elok Kurnia Novita Sari Etha ‘Azizah Hasiib Fil'aini, Raizummi Fil’aini, Raizummi Firmansyah Ully Pratama Handayani, Anna Mardhiana Intan Nuraini Joko Nugroho W. K Kade Wahyu Saputri khusnul khotimah Kurniawan, Ahmad Ridho Marcus, Patrice Kevin Mareli Telaumbanua Mareli Telaumbanua Mayrani Tri Pratiwi Nur'aini, Nur'aini Nuraini Purnomo, Cahyo Eko Ramadhanti, Annisa Suci Ridwan, Ridwan Rita Anggraini Rizky Qhasim Pratama Rizza Wijaya Rizza Wijaya Sandi Asmara Saut Edo Riko Manurung Setiawan, Wahyu Hendi Silvia Oktavia Nur Yudiastuti Sinuraya, Eden Ericson Siti Suharyatun Siti Suharyatun Sri Rahayoe Sri Waluyo Tenaumbanua, Mareli Tri Wahyu Saputra Warji Warji Wijaya, I Gede Krishna Winda Rahmawati Winda Rahmawati Winda Rahmawati Witangingsih Witangingsih Yudiastuti, Silvia Oktavianur