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Optimization of Nanobentonite-CuO Adsorption for Reducing 3-MCPDE, Free Fatty Acids, and Peroxide Values in Bulk Cooking Oil: A Study of Adsorption Efficacy and Isotherm Modeling

Indonesian Food Science and Technology Journal · Vol. 8 No. 1 (2024) · hlm. 108–116

DOI
10.22437/ifstj.v8i1.36390
ISSN
2615-367X
Terbit
2024-12-31
Penerbit
Department of Technology of Agricultural product (THP) Jambi University
Bahasa
en
Lisensi
creativecommons.org/licenses/by/4.0

Abstrak

Indonesia is the largest palm oil producing country in the world. A factor that affects the quality of cooking oil is the presence of diglycerides and free fatty acids. Diglycerides in palm oil serve as precursors for the carcinogenic chemical 3-Monochloropropane-1,2-diol ester (3-MCPDE), whilst elevated concentrations of free fatty acids (ALB) might compromise oil stability. Numerous investigations indicate that the cooking oil present in the population includes the 3-MCPDE molecule at levels ranging from 8,150 to 58,140 ug/kg. The maximum permissible amount is 2 ug of 3-MCPDE per kilogram of body weight per day. The pillarization process involves the amalgamation of Cu(NO3)2 and NaOH inside an activated bentonite solution. The adsorption analysis of 3-MCPDE employing nanobentonite-CuO was performed using Gas Chromatography Mass Spectrometry (GC-MS) in accordance with the AOCE Cd 29a-2013 method, while free fatty acid and peroxide values were evaluated by a titration method that accounted for temporal variations. The peak efficacy of Nanobentonite-CuO in adsorbing the 3-MCPDE molecule was seen at 15 minutes, with an adsorption efficiency of 52.4%. Peroxide numbers achieved ideal performance at 45, 60, and 75 minutes, with an adsorption efficiency of 80%, whilst free fatty acids reached top performance at 75 minutes with an adsorption efficiency of 76.69%. The adsorption of 3-MCPDE compounds, free fatty acids, and peroxide content by Nanobentonite-CuO, as indicated by Adsorption Isotherm modeling, conforms to the Freundlich Isotherm, implying a physical adsorption mechanism.

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  • Universitas Abdurahman Saleh Situbondo
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Indriyani IndriyaniUniversitas Abdurahman Saleh Situbondo1
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Sumber metadata: OAI-PMH (metadata jurnal) https://online-journal.unja.ac.id/index.php/ifstj/oai, pertama di-harvest 6 Nov 2026, terakhir terlihat 8 Nov 2026.
Metadata asli (oai_dc) 
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	<dc:title xml:lang="en">Optimization of Nanobentonite-CuO Adsorption for Reducing 3-MCPDE, Free Fatty Acids, and Peroxide Values in Bulk Cooking Oil: A Study of Adsorption Efficacy and Isotherm Modeling </dc:title>
	<dc:creator xml:lang="en">Permana, Edwin</dc:creator>
	<dc:creator xml:lang="en">Naswir, Muhammad</dc:creator>
	<dc:creator xml:lang="en">Hidayat, Ali Nurdin Hidayat</dc:creator>
	<dc:creator xml:lang="en">Wijaya, Dhian Eka </dc:creator>
	<dc:creator xml:lang="en">Rahayu, Martina Astri </dc:creator>
	<dc:creator xml:lang="en">Wazzan, Huda </dc:creator>
	<dc:subject xml:lang="en">3-MCPDE</dc:subject>
	<dc:subject xml:lang="en">Free Fatty Acids (FFAs)</dc:subject>
	<dc:subject xml:lang="en">Peroxide Number</dc:subject>
	<dc:subject xml:lang="en">Nanobentonite-CuO</dc:subject>
	<dc:subject xml:lang="en">adsorption</dc:subject>
	<dc:description xml:lang="en">Indonesia is the largest palm oil producing country in the world. A factor that affects the quality of cooking oil is the presence of diglycerides and free fatty acids. Diglycerides in palm oil serve as precursors for the carcinogenic chemical 3-Monochloropropane-1,2-diol ester (3-MCPDE), whilst elevated concentrations of free fatty acids (ALB) might compromise oil stability. Numerous investigations indicate that the cooking oil present in the population includes the 3-MCPDE molecule at levels ranging from 8,150 to 58,140 ug/kg. The maximum permissible amount is 2 ug of 3-MCPDE per kilogram of body weight per day. The pillarization process involves the amalgamation of Cu(NO3)2 and NaOH inside an activated bentonite solution. The adsorption analysis of 3-MCPDE employing nanobentonite-CuO was performed using Gas Chromatography Mass Spectrometry (GC-MS) in accordance with the AOCE Cd 29a-2013 method, while free fatty acid and peroxide values were evaluated by a titration method that accounted for temporal variations. The peak efficacy of Nanobentonite-CuO in adsorbing the 3-MCPDE molecule was seen at 15 minutes, with an adsorption efficiency of 52.4%. Peroxide numbers achieved ideal performance at 45, 60, and 75 minutes, with an adsorption efficiency of 80%, whilst free fatty acids reached top performance at 75 minutes with an adsorption efficiency of 76.69%. The adsorption of 3-MCPDE compounds, free fatty acids, and peroxide content by Nanobentonite-CuO, as indicated by Adsorption Isotherm modeling, conforms to the Freundlich Isotherm, implying a physical adsorption mechanism.</dc:description>
	<dc:publisher xml:lang="en">Department of Technology of Agricultural product (THP) Jambi University</dc:publisher>
	<dc:date>2024-12-31</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:type xml:lang="en">Peer-reviewed Article</dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://online-journal.unja.ac.id/ifstj/article/view/36390</dc:identifier>
	<dc:identifier>10.22437/ifstj.v8i1.36390</dc:identifier>
	<dc:source xml:lang="en">Indonesian Food Science and Technology Journal; Vol. 8 No. 1 (2024): Volume 8 Number 1, December 2024 |IFSTJ| ; 108-116</dc:source>
	<dc:source>2615-367X</dc:source>
	<dc:language>en</dc:language>
	<dc:relation>https://online-journal.unja.ac.id/ifstj/article/view/36390/19782</dc:relation>
	<dc:rights xml:lang="en">Copyright (c) 2024 Indonesian Food Science and Technology Journal</dc:rights>
	<dc:rights xml:lang="en">https://creativecommons.org/licenses/by/4.0</dc:rights>
</oai_dc:dc>