Journal of the Korean Wood Science and Technology

About Journal of the Korean Wood Science and Technology

The Journal of the Korean Wood Science and Technology (JKWST) launched in 1973 as an official publication of the Korean Society of Wood Science and Technology has been served as a core of knowledges on wood science and technology. The Journal acts as a medium for the exchange of research in the area of science and technology related to wood, and publishes results on the biology, chemistry, physics and technology of wood and wood-based products. Research results about applied sciences of wood-based materials are also welcome. The Journal is published bimonthly, and printing six issues per year. Supplemental or special issues are published occasionally.
Original Article

Sep 25, 2024

Resistance to Subterranean Termite (Reticulitermes speratus) in Wood Species Used as Members in South Korea’s Major Wooden Building Heritage

Ik-Gyun IM, Gyu-Seong HAN

J. Korean Wood Sci. Technol. 2024;52(5):405-422.
https://doi.org/10.5658/WOOD.2024.52.5.405

This study investigated the resistance of domestic wood species used as wood members in general wood construction and Korean wood cultural properties to the termite Reticulitermes speratus using no-choice and two-choice tests. The results of the no-choice experiment confirmed that hardwood has higher termite resistance than that of softwood. In addition, R. speratus prefers softwood, including Abies holophylla, which has low density, is easy to feed on, and does not contain repellent extracts. In a two-choice test, Zelkova serrata was found to ...
Original Article

Sep 25, 2024

Production and Properties Chip Block Pallets from Teak Wood (Tectona grandis sp.) Biomass

Dede HERMAWAN, Alessandro Geovani DAMANIK, Sudarmanto SUDARMANTO, Deni PURNOMO, Narto NARTO, Lisman SURYANEGARA, Ismadi ISMADI, Resti MARLINA, Riska Surya NINGRUM, Sri Yustikasari MASSIJAYA, Jajang SUTIAWAN, Kenji UMEMURA, Sukma Surya KUSUMAH, Apri Heri ISWANTO

J. Korean Wood Sci. Technol. 2024;52(5):423-437.
https://doi.org/10.5658/WOOD.2024.52.5.423

Wood biomass, such as sawdust, particles, and chips from the wood industry, can be potentially used as a composite product. Chip block pallets (CBP) are composite products that can be produced from industrial wood waste and are in high demand in the logistics sector. Therefore, this study aimed to investigate the production of CBP from teak wood biomass with varying polyurethane contents. In addition, this study analyzed the optimum particle-size composition was determined. The CBP production of CBP be divided into two stages. The first stage e...
Original Article

Sep 25, 2024

Influence of Adding Silicon Dioxide in Particleboard from Teak Sawdust to Reduce Water Absorption and Thickness Swelling

Thiti WANISHDILOKRATN, Jirapa WANISHDILOKRATN

J. Korean Wood Sci. Technol. 2024;52(5):438-449.
https://doi.org/10.5658/WOOD.2024.52.5.438

This study investigated the influence of silicon dioxide (SiO2) addition to particleboard from teak sawdust to reduce water absorption and thickness swelling using standard tests of physical and mechanical properties. The experiment had a completely randomized design with four treatments (SiO2 concentrations of 5%, 3%, 1%, and 0%), each with three replicates, for a total of 12 conditions. The results showed that 1% concentration was the optimal concentration to reduce both water absorption (32.42% ± 1.78%) and thickness swelling (8.65% ± 1.1...
Original Article

Sep 25, 2024

Effects of Leaf Maturity and Solvent Extract on the Antioxidant Activity of Litsea elliptica

Harlinda KUSPRADINI, Maulidia Shufwatul MALA, Agmi Sinta PUTRI, Najmia Afifah ZULFA, Hayatus SA’ADAH, KISWANTO

J. Korean Wood Sci. Technol. 2024;52(5):450-458.
https://doi.org/10.5658/WOOD.2024.52.5.450

Litsea elliptica, a Southeast Asian tree with a rich history of medicinal applications, is attracting increasing research attention. This study investigated the effects of leaf maturity and solvent selection on the extraction of bioactive compounds from L. elliptica leaves, specifically with regard to their antioxidant activity. 2,2’-Azino-bis(3-ethylbenzothiazoline)-6-sulfonic acid (ABTS) method was employed to quantify the free radical scavenging capacity of L. elliptica leaf extracts prepared using three different solvents (n-hexane, ethyl...
Original Article

Sep 25, 2024

Physical and Mechanical Properties of 20-Year-Old Clonal Teak Trees in Ngawi, East Java, Indonesia

Widyanto Dwi NUGROHO, Mohammad NA’IEM, Ganis LUKMANDARU, WIDIYATNO, Yogi FERIAWAN, Fanany Wuri PRASTIWI, Aris WIBOWO, Diana PUSPITASARI

J. Korean Wood Sci. Technol. 2024;52(5):459-472.
https://doi.org/10.5658/WOOD.2024.52.5.459

Teak tree breeding programs have been conducted over the last several decades in various locations throughout Indonesia. These programs have produced superior teak clones with growth increments > 3 cm diameter at breast height. The wood quality of this clonal teak must be evaluated to determine the final use of these trees and the success rate of the teak breeding programs. In this study we investigated the physical condition (reflected in wood color and heartwood percentage), physical properties (moisture content, basic density, shrinkage, ...
Original Article

Sep 25, 2024

Genetic Variation in Growth Characteristics and Wood Properties of Ficus variegata Blume First Generation Progeny Trials in Indonesia

Liliek HARYJANTO, Sapto INDRIOKO, Arif NIRSATMANTO, Fanny HIDAYATI

J. Korean Wood Sci. Technol. 2024;52(5):473-487.
https://doi.org/10.5658/WOOD.2024.52.5.473

Two first-generation progeny trials of Ficus variegata Blume were planted in Yogyakarta, Indonesia, consisting of 17 families from the provenances of West Nusa Tenggara (WNT) and 19 families from the provenances of Cilacap-Pangandaran (C-P), respectively. The trials were evaluated after 10 years for growth characteristics [diameter (D), tree height (H) and stem volume (V)] and wood properties [stress-wave velocity (SWV) and Pilodyn penetration (P)]. Genetic variation, the coefficient of additive genetic variation (CVA), and heritability estimat...
Original Article

Sep 25, 2024

Conversion of Shoot Waste of Fast-Growing Teak into Activated Carbon and Its Adsorption Properties

Johanes Pramana Gentur SUTAPA, Ganis LUKMANDARU, Sigit SUNARTA, Rini PUJIARTI, Denny IRAWATI, Rizki ARISANDI, Riska DWIYANNA, Raka Dzikri NURULLAH, Robertus Danu PRIYAMBODO

J. Korean Wood Sci. Technol. 2024;52(5):488-503.
https://doi.org/10.5658/WOOD.2024.52.5.488

Shoot waste refers to the parts of trees that are not yet optimally utilized. In this study, we aimed to utilize shoot waste of fast-growing teak (FGT) extracted from the community forest in Wonosari, Gunungkidul, Yogyakarta Special Region, Indonesia by converting it into charcoal, followed by further conversion into activated carbon. This study was conducted with two treatment factors of the activation process, including thermal treatment (750°C, 850°C, and 950°C) and heating period (30, 60, and 90 min), to determine the best condition for ...
Original Article

Sep 25, 2024

Synthesis and Characterization of Magnetic Cellulose Powder from Sawdust Waste

Heru SURYANTO, Uun YANUHAR, Husni Wahyu WIJAYA, Joseph Selvi BINOJ, Azlin Fazlina OSMAN, Poppy PUSPITASARI, Jibril MAULANA, Nico Rahman CAESAR, Fajar NUSANTARA, Komarudin KOMARUDIN

J. Korean Wood Sci. Technol. 2024;52(5):504-523.
https://doi.org/10.5658/WOOD.2024.52.5.504

Timber industry waste is being examined for cellulose manufacturing to give important benefits. The study’s goal is to investigate the properties of cellulose powder derived from sawdust waste after it has been reinforced with ferrous-ferric oxide nanoparticles (Fe3O4-NPs). Sawdust cellulose powder was produced from Sengon (Albizia chinensis) wood waste in this study. The crushed sawdust waste is handled with alkalization and bleaching. Cellulose powder is then reinforced with Fe3O4-NPs at 10 wt.%, 20 wt.%, and 30 wt.%. The magnetic cellulose...

CURRENT ISSUE: Sep 2024, Vol. 52, No. 5

Original Article Resistance to Subterranean Termite (Reticulitermes speratus) in Wood Species Used as Members in South Korea’s Major Wooden Building Heritage Ik-Gyun IM, Gyu-Seong HAN J. Korean Wood Sci. Technol. 2024;52(5):405-422. https://doi.org/10.5658/WOOD.2024.52.5.405 HTML PDF PubReader	Original Article Production and Properties Chip Block Pallets from Teak Wood (Tectona grandis sp.) Biomass Dede HERMAWAN, Alessandro Geovani DAMANIK, Sudarmanto SUDARMANTO, Deni PURNOMO, Narto NARTO, Lisman SURYANEGARA, Ismadi ISMADI, Resti MARLINA, Riska Surya NINGRUM, Sri Yustikasari MASSIJAYA, Jajang SUTIAWAN, Kenji UMEMURA, Sukma Surya KUSUMAH, Apri Heri ISWANTO J. Korean Wood Sci. Technol. 2024;52(5):423-437. https://doi.org/10.5658/WOOD.2024.52.5.423 HTML PDF PubReader
Original Article Influence of Adding Silicon Dioxide in Particleboard from Teak Sawdust to Reduce Water Absorption and Thickness Swelling Thiti WANISHDILOKRATN, Jirapa WANISHDILOKRATN J. Korean Wood Sci. Technol. 2024;52(5):438-449. https://doi.org/10.5658/WOOD.2024.52.5.438 HTML PDF PubReader	Original Article Effects of Leaf Maturity and Solvent Extract on the Antioxidant Activity of Litsea elliptica Harlinda KUSPRADINI, Maulidia Shufwatul MALA, Agmi Sinta PUTRI, Najmia Afifah ZULFA, Hayatus SA’ADAH, KISWANTO J. Korean Wood Sci. Technol. 2024;52(5):450-458. https://doi.org/10.5658/WOOD.2024.52.5.450 HTML PDF PubReader
Original Article Physical and Mechanical Properties of 20-Year-Old Clonal Teak Trees in Ngawi, East Java, Indonesia Widyanto Dwi NUGROHO, Mohammad NA’IEM, Ganis LUKMANDARU, WIDIYATNO, Yogi FERIAWAN, Fanany Wuri PRASTIWI, Aris WIBOWO, Diana PUSPITASARI J. Korean Wood Sci. Technol. 2024;52(5):459-472. https://doi.org/10.5658/WOOD.2024.52.5.459 HTML PDF PubReader	Original Article Genetic Variation in Growth Characteristics and Wood Properties of Ficus variegata Blume First Generation Progeny Trials in Indonesia Liliek HARYJANTO, Sapto INDRIOKO, Arif NIRSATMANTO, Fanny HIDAYATI J. Korean Wood Sci. Technol. 2024;52(5):473-487. https://doi.org/10.5658/WOOD.2024.52.5.473 HTML PDF PubReader
Original Article Conversion of Shoot Waste of Fast-Growing Teak into Activated Carbon and Its Adsorption Properties Johanes Pramana Gentur SUTAPA, Ganis LUKMANDARU, Sigit SUNARTA, Rini PUJIARTI, Denny IRAWATI, Rizki ARISANDI, Riska DWIYANNA, Raka Dzikri NURULLAH, Robertus Danu PRIYAMBODO J. Korean Wood Sci. Technol. 2024;52(5):488-503. https://doi.org/10.5658/WOOD.2024.52.5.488 HTML PDF PubReader	Original Article Synthesis and Characterization of Magnetic Cellulose Powder from Sawdust Waste Heru SURYANTO, Uun YANUHAR, Husni Wahyu WIJAYA, Joseph Selvi BINOJ, Azlin Fazlina OSMAN, Poppy PUSPITASARI, Jibril MAULANA, Nico Rahman CAESAR, Fajar NUSANTARA, Komarudin KOMARUDIN J. Korean Wood Sci. Technol. 2024;52(5):504-523. https://doi.org/10.5658/WOOD.2024.52.5.504 HTML PDF PubReader

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