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All Journal Tropical Wetland Journal Jurnal Jejaring Matematika dan Sains Agrienvi : Jurnal Ilmu Pertanian Jurnal Hutan Tropika Devotion: Journal of Research and Community Service Jurnal Pengabdian kepada Masyarakat Jurnal Penelitian Hasil Hutan
Tanduh, Yusintha
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Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Environmental Science Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Physics Public Health Social Sciences Other

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Analisis Sifat Kimia Kayu Meranti Tembaga (Shorea leprosula Mig.) Dari Hutan Alam Dan Hutan Tanaman Di PT. Dwima Jaya Utama : Chemical Properties Analysis of Meranti Tembaga Wood (Shorea leprosula Mig.) from Natural Forests and Plantation Forests at PT. Dwima Jaya Utama Joni, Herwin; Santoso, Mahdi; Wahyudi, Wahyudi; Sosilawaty, Sosilawaty; Tanduh, Yusintha; Triyadi, Antonius; Toni, Hendra; Christy, Eva Oktoberyani; Silvianingsih, Yosefin Ari
HUTAN TROPIKA Vol 20 No 1 (2025): Volume 20 Nomor 1 Tahun 2025
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v20i1.21999

Abstract

This study analyzes the chemical properties of Meranti Tembaga wood (Shorea leprosula Mig.) from natural forests and intensively managed plantation forests (Silin) at PT. Dwima Jaya Utama. Samples were taken from trees with diameters of 28 cm, 36 cm, 43 cm, and 51 cm to compare extractive content (cold water, hot water, ethanol-toluene), holocellulose, α-cellulose, lignin, and ash levels. Results showed that Silin-grown wood had higher extractive content in cold and hot water but lower lignin and ash levels compared to natural forest wood. α-Cellulose content was consistently high across all diameters, meeting industrial standards. The findings suggest that Silin techniques can produce quality wood with shorter harvest cycles, though chemical properties vary by diameter and origin. This research provides valuable insights for sustainable forest management and industrial applications of Shorea leprosula.
Effectiveness of Gelam Wood Liquid Smoke on the Retention and Absorption Preservatives in Terantang Wood (Campnosperma auriculatum (BI.) Hook.f) Supriyati, Wahyu; -, Alpian; Samosir, July Sarana Dame; -, Yanciluk; Tanduh, Yusintha; Silvianingsih, Yosefin Ari
TROPICAL WETLAND JOURNAL Vol 11 No 2 (2025): Tropical Wetland Journal
Publisher : Postgraduate Program - Lambung Mangkurat University (ULM Press Academic)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/twj.v11i2.138

Abstract

Wood durability is a crucial factor in its utilization, especially in tropical regions with high humidity levels. Terantang wood is classified as lightweight wood with low resistance to wood-degrading organisms. Preservation using liquid smoke is one of the alternative methods to enhance the durability of Terantang wood. This study aims to evaluate the effectiveness of liquid smoke derived from Gelam wood (Melaleuca sp.) as a natural preservative for Terantang wood. The preservation process was conducted using a cold-soaking method for 48 hours with three different liquid smoke concentrations: 10%, 20%, and 30%. After treatment, the wood samples were dried and tested to determine their retention and absorption values. The results showed that increasing the liquid smoke concentration directly correlated with higher retention and absorption values. The 30% concentration exhibited the highest retention (0.055 g/cm³) and absorption (0.241 g/cm³), indicating superior effectiveness in enhancing wood durability. Retention was highest near the heartwood, while absorption was greater near the sapwood. These findings suggest that Gelam wood liquid smoke has significant potential as an eco-friendly and cost-effective wood preservative. Its use can serve as a safer alternative to synthetic preservatives, supporting more sustainable wood processing practices. Keywords: Liquid smoke, Gelam wood, Terantang wood, wood preservation, retention, absorption
Efek Asap Cair Gelam (Melaleuca sp) sebagai Pengawet terhadap Berat Kayu dan Berat Jenis Terantang (Campnosperma auriculatum (BI.) Hook.f) Alpian, Alpian; Samosir, July Sarana Dame; Yanciluk; Tanduh, Yusintha; Silvianingsih, Yosefin Ari; Supriyati, Wahyu; Luhan, Gimson
Jurnal Penelitian Hasil Hutan Vol. 43 No. 2 (2025): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/jphh.2025.9744

Abstract

Terantang is commonly found growing in the peat swamp forests of Central Kalimantan. It holds significant economic value in the wood processing industry; however, it has low durability, requiring preservation treatments to enhance its wood quality. This study aims to analyze the impact of Gelam wood liquid smoke concentration and the radial direction of Terantang wood on its physical properties, particularly wood weight and specific gravity, after being stored outdoors under shaded conditions for 5 weeks. A factorial Completely Randomized Design (CRD) was employed, incorporating two factors: liquid smoke concentration (0%, 10%, 20%, and 30%) and radial direction of the wood (near the bark, middle, and near the pith). The data were analyzed using ANOVA, followed by Tukey’s HSD test to determine significant differences between treatments. The results indicated that increasing the concentration of liquid smoke significantly enhanced both the wood weight and specific gravity. The 30% liquid smoke concentration produced the highest increase in specific gravity (0.5240 g/cm³). The radial direction of the wood also had a significant effect, with the near-pith section showing higher specific gravity. The interaction between liquid smoke concentration and radial direction significantly influenced the wood weight. These findings suggest that Gelam wood liquid smoke is an effective natural preservative that can significantly maintain the physical quality of Terantang wood stored outdoors under shaded conditions for 5 weeks, specifically in terms of wood weight and specific gravity. This method shows potential for use in sustainable wood processing industries.
EDUKASI DAN IMPLEMENTASI BLACK SOLDIER FLY (BSF) COMPOSTING UNIT SEBAGAI PENGOLAH LIMBAH ORGANIK RUMAH TANGGA DI KOTA PALANGKA RAYA Angga, Stevin; Tanduh, Yusintha
J-ABDI: Jurnal Pengabdian kepada Masyarakat Vol. 5 No. 8 (2025): Januari 2026
Publisher : Bajang Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Permasalahan meningkatnya volume sampah rumah tangga terutama limbah organik berpotensi menimbulkan pencemaran dan memicu penyebaran penyakit apabila tidak dikelola dengan baik. Program pengabdian kepada masyarakat ini bertujuan memberikan solusi melalui edukasi dan implementasi pengolahan limbah organik berbasis Black Soldier Fly (BSF) kepada warga Kecamatan Jekan Raya, Kota Palangka Raya. Kegiatan mencakup penyuluhan terkait bahaya limbah organik, pelatihan pembuatan dan operasional BSF Composting Unit, pembiakan BSF melalui love cage, serta pemanenan maggot dan frass sebagai produk bernilai guna. Hasil evaluasi menunjukkan bahwa BSF Composting Unit efektif mempercepat dekomposisi limbah organik dan warga mendapatkan peningkatan pemahaman serta motivasi untuk menerapkan pengolahan limbah organik secara mandiri dan berkelanjutan.
Co-Authors -, Alpian -, Yanciluk Afentina, Afentina Alpian Angga, Stevin Christy, Eva Oktoberyani Damanik, Mei Cintya Angelia E. Putir, Patricia Gimson Luhan Hendra Toni Joni, Herwin K. Firdara, Eritha Koroh, Desy Natalia Lendra, Kristova Madiyawati, Milad Mahdi Santoso Manurung, Polman Misrita Misrita Mohamad Rizal Muhammad Fadhil Amiruddin Sudomo Nursiah Nursiah, Nursiah Pane, Dameria Pidjath, Chartina Putir, Patricia E Rahmawati, Reni Rini Dwiastuti Robby Octavianus Rosdiana Rosdiana Samosir, July Sarana Dame Sampang Santosa Yulianto Silvianingsih, Yosefin Ari Sosilawaty, Sosilawaty Triyadi, Antonius Wahyu Supriyati Wahyudi Wahyudi Yanarita, Yanarita Yanciluk Yulianti, Reri