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

Nov 25, 2022

Investigation on the Awareness and Preference for Wood Culture to Promote the Values of Wood: III. Living Environment and Trend of Wood Utilization

Yeonjung HAN, Myung Sun YANG, Sang-Min LEE

J. Korean Wood Sci. Technol. 2022;50(6):375-391.
https://doi.org/10.5658/WOOD.2022.50.6.375

Improving public awareness of wood is crucial for expanding the use of wood and establishing a wood culture. In this study, the environment and trends of the public’s wood utilization were analyzed using a questionnaire survey and online text mining at a time when eco-friendly practices are gaining popularity. As a result of reducing climatic and environmental concerns and its positive physical and psychological effects, the use of wood is predicted to rise in areas intimately connected to everyday living, such as wood furniture, wooden struc...
Original Article

Nov 25, 2022

Effect of Different Conditions of Sodium Chloride Treatment on the Characteristics of Kenaf Fiber Bundles

Tamaryska SETYAYUNITA, Ragil WIDYORINI, Sri Nugroho MARSOEM, Denny IRAWATI

J. Korean Wood Sci. Technol. 2022;50(6):392-403.
https://doi.org/10.5658/WOOD.2022.50.6.392

Currently, composite board manufacturing using natural fibers has the potential to expand owing to environmental awareness. To produce a composite board, treatment is required to improve the mechanical and physical properties of the natural fibers. In this study, sodium chloride (NaCl) was used for the chemical treatment. However, studies on chemical treatments using NaCl are limited. This study aimed to investigate the characteristics of kenaf fibers after NaCl treatment. The NaCl treatment concentrations were 1, 3, and 5 wt.% at room temperat...
Original Article

Nov 25, 2022

Investigation of Sound Absorption Ability of Acanthopanax senticosus Wastes

Eun-Suk JANG

J. Korean Wood Sci. Technol. 2022;50(6):404-413.
https://doi.org/10.5658/WOOD.2022.50.6.404

This study aims to investigate the sound absorption ability of Acanthopanax senticosus wastes as an eco-friendly sound-absorbing material. The sound absorption coefficient was examined with different heights of A. senticosus wastes filling (40, 60, 80, and 100 mm) in impedance tubes. The sound absorption peaks shifted to a lower frequency as the height of A. senticosus wastes inside the tubes increased. The sound absorption ability at filling heights of 80 and 100 mm was obtained as 0.3M and 0.5M grades, respectively, based on KS F 3503. The re...
Original Article

Nov 25, 2022

Evaluation of Anti-Asthmatic Activity of Essential Oils from the Lauraceae Family in Lipopolysaccharide (LPS)-Stimulated NCI-H292 Cells

Jiyoon YANG, Su-Yeon LEE, Hyunjeong NA, Soo-Kyeong JANG, Mi-Jin PARK

J. Korean Wood Sci. Technol. 2022;50(6):414-426.
https://doi.org/10.5658/WOOD.2022.50.6.414

The Lauraceae family has commercial uses, such as in the food, pharmaceutical, and perfume industries. This study was conducted to investigate anti-asthmatic activity of essential oils from the seven species in the Lauraceae family. The essential oils were extracted from the leaves of seven species, and the chemical composition was investigated by gas chromatography-mass spectrometry. The major constituents of essential oils differed depending on the species, even if they belonged to the same family. The main constituents were camphor (89.09%) ...
Original Article

Nov 25, 2022

Mechanical Properties of Cork Composite Boards Reinforced with Metal, Glass Fiber, and Carbon Fiber

Min-Seong CHA, So-Jeong YOON, Jin-Ho KWON, Hee-Seop BYEON, Han-Min PARK

J. Korean Wood Sci. Technol. 2022;50(6):427-435.
https://doi.org/10.5658/WOOD.2022.50.6.427

For effective applicability of reinforced cork, cork composites reinforced with metal, glass fiber, and carbon fiber were developed, and the effects of the reinforcing materials on the mechanical properties of cork composites were investigated. The bending moduli of elasticity (MOE) of cork composites were in the 32.7–35.9 MPa range, while the bending strength values were in the 1.62–1.73 MPa range. The strength performance decreased in the order cork-metal > cork-carbon fiber > cork-glass fiber. The bending MOEs were improved by 29%...
Original Article

Nov 25, 2022

Preparation and Characterization of Cellulose Nanofibrils from Lignocellulose Using a Deep Eutectic Solvent Followed by Enzymatic Treatment

Eun-Ah LEE, Song-Yi HAN, Gu-Joong KWON, Jeong-Ki KIM, Rajkumar BANDI, Ramakrishna DADIGALA, Ji-Soo PARK, Chan-Woo PARK, Seung-Hwan LEE

J. Korean Wood Sci. Technol. 2022;50(6):436-447.
https://doi.org/10.5658/WOOD.2022.50.6.436

Lignocellulose nanofibrils (LCNFs) were prepared using a two-step deep eutectic solvent (DES) and enzymatic pretreatment followed by mechanical defibrillation, and we examined the effects of enzymatic pretreatment conditions on different characteristics of the LCNFs thus obtained. The LCNFs yielded using the two-step DES pretreatment (Enz-LCNF) exhibited a well-defibrillated entangled web-like structure with an average fiber diameter ranging from 15.7 to 20.4 nm. Furthermore, we found that the average diameter and filtration time of the Enz-LCN...
Original Article

Nov 25, 2022

Inhibition of Biofilm Formation in Yersinia enterocolitica by Edible Plant Extracts Including Polygoni Multiflori Radix

Youngseok HAM, Tae-Jong KIM

J. Korean Wood Sci. Technol. 2022;50(6):448-457.
https://doi.org/10.5658/WOOD.2022.50.6.448

Yersinia enterocolitica, which causes yersiniosis, is a bacterium that produces biofilms effectively. The inhibition of biofilm formation provides a method for preventing infections with Y. enterocolitica. In this study, the inhibitory activity of Y. enterocolitica biofilm formation was investigated in a library of 140 edible plant methanol extracts including forest products. It was identified that the biofilm formation could be inhibited by 12 extracts of plants, Agastachis Herba, Agrimoniae Herba, Diospyros kaki leaves, Elsholtziae Herba, Gin...
Original Article

Nov 25, 2022

Preference of Subterranean Termites among Community Timber Species in Bogor, Indonesia

Arinana ARINANA, Mohamad M. RAHMAN, Rachel E.G. SILABAN, Setiawan Khoirul HIMMI, Dodi NANDIKA

J. Korean Wood Sci. Technol. 2022;50(6):458-474.
https://doi.org/10.5658/WOOD.2022.50.6.458

Many methods have been explored to increase the palatability of pine (Pinus merkusii), the most common wood used for termite baiting. However, because of the undersupply of pine in Indonesia, it is crucial to vary the wood species for termite baiting and look for potential alternatives. Furthermore, various studies have shown that baiting time influences the intensity and pattern of termite attacks. Therefore, the present research aimed to study the preferences of subterranean termites and find the ideal baiting time among community wood specie...
Original Article

Nov 25, 2022

Conversion of Glucose and Xylose to 5-Hydroxymethyl furfural, Furfural, and Levulinic Acid Using Ethanol Organosolv Pretreatment under Various Conditions

Ki-Seob GWAK, Chae-Hwi YOON, Jong-Chan KIM, Jong-Hwa KIM, Young-Min CHO, In-Gyu CHOI

J. Korean Wood Sci. Technol. 2022;50(6):475-489.
https://doi.org/10.5658/WOOD.2022.50.6.475

The objective of this study was to understand the conversion characteristics of glucose and xylose using the major monosaccharide standards for lignocellulosic biomass. The acid-catalyzed organosolv pretreatment conducted using ethanol was significantly different from the acid-catalyzed process conducted in an aqueous medium. 5-hydroxymethylfurfural (5-HMF), levulinic acid and furfural were produced from glucose conversion. The maximum yield of 5-HMF was 5.5%, at 200°C, when 0.5% sulfuric acid was used. The maximum yield of levulinic acid wa...
Original Article

Nov 25, 2022

Mask Region-Based Convolutional Neural Network (R-CNN) Based Image Segmentation of Rays in Softwoods

Hye-Ji YOO, Ohkyung KWON, Jeong-Wook SEO

J. Korean Wood Sci. Technol. 2022;50(6):490-498.
https://doi.org/10.5658/WOOD.2022.50.6.490

The current study aimed to verify the image segmentation ability of rays in tangential thin sections of conifers using artificial intelligence technology. The applied model was Mask region-based convolutional neural network (Mask R-CNN) and softwoods (viz. Picea jezoensis, Larix gmelinii, Abies nephrolepis, Abies koreana, Ginkgo biloba, Taxus cuspidata, Cryptomeria japonica, Cedrus deodara, Pinus koraiensis) were selected for the study. To take digital pictures, thin sections of thickness 10–15 μm were cut using a microtome, and then stain...

CURRENT ISSUE: Nov 2022, Vol. 50, No. 6

Original Article Investigation on the Awareness and Preference for Wood Culture to Promote the Values of Wood: III. Living Environment and Trend of Wood Utilization Yeonjung HAN, Myung Sun YANG, Sang-Min LEE J. Korean Wood Sci. Technol. 2022;50(6):375-391. https://doi.org/10.5658/WOOD.2022.50.6.375 HTML PDF PubReader	Original Article Effect of Different Conditions of Sodium Chloride Treatment on the Characteristics of Kenaf Fiber Bundles Tamaryska SETYAYUNITA, Ragil WIDYORINI, Sri Nugroho MARSOEM, Denny IRAWATI J. Korean Wood Sci. Technol. 2022;50(6):392-403. https://doi.org/10.5658/WOOD.2022.50.6.392 HTML PDF PubReader
Original Article Investigation of Sound Absorption Ability of Acanthopanax senticosus Wastes Eun-Suk JANG J. Korean Wood Sci. Technol. 2022;50(6):404-413. https://doi.org/10.5658/WOOD.2022.50.6.404 HTML PDF PubReader	Original Article Evaluation of Anti-Asthmatic Activity of Essential Oils from the Lauraceae Family in Lipopolysaccharide (LPS)-Stimulated NCI-H292 Cells Jiyoon YANG, Su-Yeon LEE, Hyunjeong NA, Soo-Kyeong JANG, Mi-Jin PARK J. Korean Wood Sci. Technol. 2022;50(6):414-426. https://doi.org/10.5658/WOOD.2022.50.6.414 HTML PDF PubReader
Original Article Mechanical Properties of Cork Composite Boards Reinforced with Metal, Glass Fiber, and Carbon Fiber Min-Seong CHA, So-Jeong YOON, Jin-Ho KWON, Hee-Seop BYEON, Han-Min PARK J. Korean Wood Sci. Technol. 2022;50(6):427-435. https://doi.org/10.5658/WOOD.2022.50.6.427 HTML PDF PubReader	Original Article Preparation and Characterization of Cellulose Nanofibrils from Lignocellulose Using a Deep Eutectic Solvent Followed by Enzymatic Treatment Eun-Ah LEE, Song-Yi HAN, Gu-Joong KWON, Jeong-Ki KIM, Rajkumar BANDI, Ramakrishna DADIGALA, Ji-Soo PARK, Chan-Woo PARK, Seung-Hwan LEE J. Korean Wood Sci. Technol. 2022;50(6):436-447. https://doi.org/10.5658/WOOD.2022.50.6.436 HTML PDF PubReader
Original Article Inhibition of Biofilm Formation in Yersinia enterocolitica by Edible Plant Extracts Including Polygoni Multiflori Radix Youngseok HAM, Tae-Jong KIM J. Korean Wood Sci. Technol. 2022;50(6):448-457. https://doi.org/10.5658/WOOD.2022.50.6.448 HTML PDF PubReader	Original Article Preference of Subterranean Termites among Community Timber Species in Bogor, Indonesia Arinana ARINANA, Mohamad M. RAHMAN, Rachel E.G. SILABAN, Setiawan Khoirul HIMMI, Dodi NANDIKA J. Korean Wood Sci. Technol. 2022;50(6):458-474. https://doi.org/10.5658/WOOD.2022.50.6.458 HTML PDF PubReader
Original Article Conversion of Glucose and Xylose to 5-Hydroxymethyl furfural, Furfural, and Levulinic Acid Using Ethanol Organosolv Pretreatment under Various Conditions Ki-Seob GWAK, Chae-Hwi YOON, Jong-Chan KIM, Jong-Hwa KIM, Young-Min CHO, In-Gyu CHOI J. Korean Wood Sci. Technol. 2022;50(6):475-489. https://doi.org/10.5658/WOOD.2022.50.6.475 HTML PDF PubReader	Original Article Mask Region-Based Convolutional Neural Network (R-CNN) Based Image Segmentation of Rays in Softwoods Hye-Ji YOO, Ohkyung KWON, Jeong-Wook SEO J. Korean Wood Sci. Technol. 2022;50(6):490-498. https://doi.org/10.5658/WOOD.2022.50.6.490 HTML PDF PubReader

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