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Characterization of Indonesian Sugar Palm Bunch (Arenga longipes Mogea) Properties for Various Utilization Purposes
Sugar palm bunch/SPB (Arenga longipes Mogea) waste is a lignocellulosic material derived from the harvest of sugar palm fruit (kolang-kaling). Therefore, this study aims to examine the anatomical, physical, chemical, and mechanical characteristics of SPB. The anatomical characterization results showed that SPB had two forms of fibrovascular bundles (FVBs), namely large and small. Based on morphology, SPB fibers had a length, diameter, average lumen diameter, and cell wall thickness of approximately 1346.42 ± 415.71 μm, 20.05 ± 3.81 μm, 11.82 ± 2.95 μm, and 4.12 ± 1.08 μm, respectively. FVB tissue of the sample had a fairly high density of 4–6 FVB per 4 mm2 with a non-vascular area/total area ratio of 57.25%. The results showed that the sample contained 45.31 ± 3.20% cellulose, 23.21 ± 3.73% hemicellulose, 27.23 ± 4.23% lignin, and 1.39 ± 0.32% ash content. In addition, the extractive content that dissolved in hot water, cold water, ethanol-benzene, and 1% NaOH was 4.79 ± 0.84%, 7.12 ± 0.68%, 7.27 ± 2.38%, and 29.81 ± 3.78%, respectively. The GC–MS analysis results showed that A. longipes bunch contained several compounds, including carboxylic acid (tetradecanoic, octadecanoic), methoxy group (3-hydoxyphthalide), and palmitic acid. Meanwhile, the FTIR analysis showed the presence of OH groups with high intensity, which were identified as aromatic groups, as well as phenol groups recognized as lignin. Based on these results, characteristics of SPB were more suitable as raw materials for biomass energy, absorbent activated carbon, composite board, and surfactant.
Characterization of Indonesian Sugar Palm Bunch (Arenga longipes Mogea) Properties for Various Utilization Purposes
Sugar palm bunch/SPB (Arenga longipes Mogea) waste is a lignocellulosic material derived from the harvest of sugar palm fruit (kolang-kaling). Therefore, this study aims to examine the anatomical, physical, chemical, and mechanical characteristics of SPB. The anatomical characterization results showed that SPB had two forms of fibrovascular bundles (FVBs), namely large and small. Based on morphology, SPB fibers had a length, diameter, average lumen diameter, and cell wall thickness of approximately 1346.42 ± 415.71 μm, 20.05 ± 3.81 μm, 11.82 ± 2.95 μm, and 4.12 ± 1.08 μm, respectively. FVB tissue of the sample had a fairly high density of 4–6 FVB per 4 mm2 with a non-vascular area/total area ratio of 57.25%. The results showed that the sample contained 45.31 ± 3.20% cellulose, 23.21 ± 3.73% hemicellulose, 27.23 ± 4.23% lignin, and 1.39 ± 0.32% ash content. In addition, the extractive content that dissolved in hot water, cold water, ethanol-benzene, and 1% NaOH was 4.79 ± 0.84%, 7.12 ± 0.68%, 7.27 ± 2.38%, and 29.81 ± 3.78%, respectively. The GC–MS analysis results showed that A. longipes bunch contained several compounds, including carboxylic acid (tetradecanoic, octadecanoic), methoxy group (3-hydoxyphthalide), and palmitic acid. Meanwhile, the FTIR analysis showed the presence of OH groups with high intensity, which were identified as aromatic groups, as well as phenol groups recognized as lignin. Based on these results, characteristics of SPB were more suitable as raw materials for biomass energy, absorbent activated carbon, composite board, and surfactant.
Characterization of Indonesian Sugar Palm Bunch (Arenga longipes Mogea) Properties for Various Utilization Purposes
Luthfi Hakim (author) / Apri Heri Iswanto (author) / Evalina Herawati (author) / Ridwanti Batubara (author) / Yunida Syafriani Lubis (author) / Erlina Nurul Aini (author)
2024
Article (Journal)
Electronic Resource
Unknown
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