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 the official publication of the Korean Society of Wood Science and Technology, has been serving as a core source of knowledge covering basic and applied research in all areas of wood science and technology. The scope of the journal includes wood anatomy, wood deterioration and preservation, wood physics and engineering, wood chemistry and chemical processing, microbiology, wood processing and composites, furniture and construction, wood industry and business, and wood culture and education (see more specific topics below). Research on non-wood forest products (e.g., mushrooms, bark, fruits, seeds, leaves, roots, and medicinal plants) and non-woody plants (e.g., palm, bamboo, and industrial crops) as a source of fiber, chemicals, and products that can substitute for wood-based materials are also welcome. The journal is published bimonthly, with six issues per year. Supplemental or special issues are published occasionally
Original Article

Sep 25, 2025

Technological Characterization of Teak Wood from Plantation Thinnings in the Southeastern Peruvian Amazon

Roger CHAMBI-LEGOAS, Nataly Estefani CARPIO-MENDOZA, Bianca Ruth COLLAZOS-MENDOZA, Leif Armando PORTAL-CAHUANA

J. Korean Wood Sci. Technol. 2025;53(5):455-470.
https://doi.org/10.5658/WOOD.2025.53.5.455

Tectona grandis (teak) is a highly valuable forest species in the timber industry due to the quality and durability of its wood. Thinnings in teak plantations generate a significant volume of wood that is not utilized for timber products due to the lack of knowledge about the wood characteristics of these trees. This study evaluated the anatomical, physical, and mechanical properties of 6-year-old T. grandis wood from thinning operations in a commercial plantation in the Madre de Dios region of Peru, in order to determine its viability for the ...
Short Note

Sep 25, 2025

Evaluation of the Natural Durability of Twelve Korean Major Domestic Wood Species

Jae-Hee JUNG, Sun Lul KWON, Sae-Min YOON, Jinae SHIN, Hyun-Mi LEE, Won-Joung HWANG, Yong-Seok CHOI

J. Korean Wood Sci. Technol. 2025;53(5):471-479.
https://doi.org/10.5658/WOOD.2025.53.5.471

This study evaluated the natural durability of 12 major Korean domestic wood species (four softwoods and eight hardwoods) against wood-decay fungi (Fomitopsis palustris, Trametes versicolor) and subterranean termites (Reticulitermes speratus). The natural decay resistance and natural termite resistance were evaluated in accordance with KS F 2213 and AWPA E1, respectively. The results confirmed significant differences in durability among tree species. In a decay resistance test, Mossy locust exhibited the highest durability with weight losses of...
Original Article

Sep 25, 2025

Characterization of Wood Extractives and Antioxidant Activity in Acacia Hybrid (Acacia mangium × Acacia auriculiformis) Grown in Wonogiri, Indonesia

Rizki ARISANDI, Ganis LUKMANDARU, SAWITRI, Sri SUNARTI, Arif NIRSATMANTO

J. Korean Wood Sci. Technol. 2025;53(5):480-500.
https://doi.org/10.5658/WOOD.2025.53.5.480

This study aimed to evaluate extractive composition and antioxidant activity of Acacia hybrid (Acacia mangium × Acacia auriculiformis) variety, namely Purwo Sri Ah015D wood, as a first step in future development to improve resistance to diseases. Wood powder from axial (bottom, middle, top) and radial (near pith and near bark) positions were successively extracted by n-hexane, methanol, and hot water solvents. The dried extracts (except n-hexane) were used for the analysis of total phenolic content (TPC), flavonoids (TFC), flavanols (TVC), p...
Original Article

Sep 25, 2025

Fractionation of Essential Oils Extracted from Litsea angulata (Lauraceae) Using Two Different Methods and Their Impact on Lactic Acid Bacteria

Agmi Sinta PUTRI, Irawan Wijaya KUSUMA, Najmia Afifah ZULFA, Rita DIANA, Sarifah NURJANAH, Kosei YAMAUCHI, Harlinda KUSPRADINI

J. Korean Wood Sci. Technol. 2025;53(5):501-524.
https://doi.org/10.5658/WOOD.2025.53.5.501

This study was conducted to analyze the physicochemical characteristics of leaf essential oil fractions from Litsea angulata and evaluate their antibacterial activity against lactic acid bacteria. Essential oils were extracted and fractionated using two methods: simple fractional (SF) and spinning band (SB) distillation. Four bacterial strains were tested: Streptococcus mutans, Streptococcus sobrinus, Staphylococcus aureus, and Lactobacillus casei. The highest yields were obtained from fractions SF1 (0.83%, w/w) and SB6 (0.53%, w/w), which show...
Original Article

Sep 25, 2025

Mechanical and Water Resistance Properties of Nano TiO₂ Coated Sisal (Agave sisalana) Glass Fiber Hybrid Reinforced Composites

Ismadi ISMADI, Ariadne L. JUWONO, Sasa Sofyan MUNAWAR, Jajang SUTIAWAN, Ria Yolanda ARUNDINA

J. Korean Wood Sci. Technol. 2025;53(5):525-535.
https://doi.org/10.5658/WOOD.2025.53.5.525

Natural fibers are increasingly used as reinforcements in composite materials owing to their sustainability and low cost. However, their poor interfacial bonding with polymer matrices, particularly thermoset resins, often limits their mechanical performance. Surface treatment of natural fibers is a widely adopted strategy for enhancing fiber-matrix adhesion. This study investigated the effect of varying glass and sisal fiber contents on the mechanical and water resistance properties of hybrid composites. The objective of this study was to evalu...
Original Article

Sep 25, 2025

Characteristics of Wood Plastic Composites from Four Blend Ratios of Alkali-Treated Ulin (Eusideroxylon zwageri) and Sengon (Falcataria moluccana) Wood Flour

Isna Yuniar WARDHANI, Nopriyanto PAI’PIN, Sri Asih HANDAYANI, Fitria Cita DIRNA

J. Korean Wood Sci. Technol. 2025;53(5):536-549.
https://doi.org/10.5658/WOOD.2025.53.5.536

In this study, we investigated the effects of wood flour composition (ulin and sengon) and 5% NaOH alkali treatment on the physical and mechanical properties of wood-plastic composites bonded with unsaturated polyester resin. Four formulations were developed using different blend ratios of ulin and sengon, with alkali treatment applied only to ulin-wood flour. The physical tests evaluated density, moisture content, water absorption, and swelling thickness. The mechanical evaluations included the modulus of elasticity (MOE), modulus of rupture (...
Original Article

Sep 25, 2025

Charring Behavior and Properties of Cross-Laminated Timber Wall Panels Fabricated with Larix kaempferi Harvested in Korea

Suho KIM, Yun Jeong CHOI, Jaehong AN

J. Korean Wood Sci. Technol. 2025;53(5):550-562.
https://doi.org/10.5658/WOOD.2025.53.5.550

This study examines the charring behavior of cross-laminated timber (CLT) wall panels manufactured using Larix kaempferi harvested in Korea under non-load-bearing fire conditions. Fire resistance tests were conducted for durations of 1 to 3 hours. Charring depth, charring rate, and temperature variations inside and outside the specimens were measured to evaluate the thermal response of the CLT wall elements. The average charring rate was approximately 0.99 mm/min, forming about 1 mm of char depth per minute. During the tests, the adhesive inter...

CURRENT ISSUE: Sep 2025, Vol. 53, No. 5

Original Article Technological Characterization of Teak Wood from Plantation Thinnings in the Southeastern Peruvian Amazon Roger CHAMBI-LEGOAS, Nataly Estefani CARPIO-MENDOZA, Bianca Ruth COLLAZOS-MENDOZA, Leif Armando PORTAL-CAHUANA J. Korean Wood Sci. Technol. 2025;53(5):455-470. https://doi.org/10.5658/WOOD.2025.53.5.455 HTML PDF PubReader	Short Note Evaluation of the Natural Durability of Twelve Korean Major Domestic Wood Species Jae-Hee JUNG, Sun Lul KWON, Sae-Min YOON, Jinae SHIN, Hyun-Mi LEE, Won-Joung HWANG, Yong-Seok CHOI J. Korean Wood Sci. Technol. 2025;53(5):471-479. https://doi.org/10.5658/WOOD.2025.53.5.471 HTML PDF PubReader
Original Article Characterization of Wood Extractives and Antioxidant Activity in Acacia Hybrid (Acacia mangium × Acacia auriculiformis) Grown in Wonogiri, Indonesia Rizki ARISANDI, Ganis LUKMANDARU, SAWITRI, Sri SUNARTI, Arif NIRSATMANTO J. Korean Wood Sci. Technol. 2025;53(5):480-500. https://doi.org/10.5658/WOOD.2025.53.5.480 HTML PDF PubReader	Original Article Fractionation of Essential Oils Extracted from Litsea angulata (Lauraceae) Using Two Different Methods and Their Impact on Lactic Acid Bacteria Agmi Sinta PUTRI, Irawan Wijaya KUSUMA, Najmia Afifah ZULFA, Rita DIANA, Sarifah NURJANAH, Kosei YAMAUCHI, Harlinda KUSPRADINI J. Korean Wood Sci. Technol. 2025;53(5):501-524. https://doi.org/10.5658/WOOD.2025.53.5.501 HTML PDF PubReader
Original Article Mechanical and Water Resistance Properties of Nano TiO₂ Coated Sisal (Agave sisalana) Glass Fiber Hybrid Reinforced Composites Ismadi ISMADI, Ariadne L. JUWONO, Sasa Sofyan MUNAWAR, Jajang SUTIAWAN, Ria Yolanda ARUNDINA J. Korean Wood Sci. Technol. 2025;53(5):525-535. https://doi.org/10.5658/WOOD.2025.53.5.525 HTML PDF PubReader	Original Article Characteristics of Wood Plastic Composites from Four Blend Ratios of Alkali-Treated Ulin (Eusideroxylon zwageri) and Sengon (Falcataria moluccana) Wood Flour Isna Yuniar WARDHANI, Nopriyanto PAI’PIN, Sri Asih HANDAYANI, Fitria Cita DIRNA J. Korean Wood Sci. Technol. 2025;53(5):536-549. https://doi.org/10.5658/WOOD.2025.53.5.536 HTML PDF PubReader
Original Article Charring Behavior and Properties of Cross-Laminated Timber Wall Panels Fabricated with Larix kaempferi Harvested in Korea Suho KIM, Yun Jeong CHOI, Jaehong AN J. Korean Wood Sci. Technol. 2025;53(5):550-562. https://doi.org/10.5658/WOOD.2025.53.5.550 HTML PDF PubReader

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