Influence of Hydrothermal Treatment on Hemicellulose Structure in Cryptomeria japonica
The influence of hydrothermal treatment (HTT) on the hemicellulose, i.e. glucomannan/galactoglucomannan (GM/GGM) and arabinoglucurono-xylan (AGX) in Japanese cedar was examined using mild temperatures (95 °C and 120 °C) for its kiln drying. Based on infrared spectra, only a slight change due to HTT...
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Format: | Article |
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North Carolina State University
2023-03-01
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Series: | BioResources |
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Online Access: | https://ojs.cnr.ncsu.edu/index.php/BRJ/article/view/22341 |
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author | Yoshikazu Mori Rensei Suzuki Kana Yamashita Makoto Kiguchi |
author_facet | Yoshikazu Mori Rensei Suzuki Kana Yamashita Makoto Kiguchi |
author_sort | Yoshikazu Mori |
collection | DOAJ |
description | The influence of hydrothermal treatment (HTT) on the hemicellulose, i.e. glucomannan/galactoglucomannan (GM/GGM) and arabinoglucurono-xylan (AGX) in Japanese cedar was examined using mild temperatures (95 °C and 120 °C) for its kiln drying. Based on infrared spectra, only a slight change due to HTT was observed in the hemicellulose chemical structure. The quantitative changes of the major chemical components including lignin, cellulose, and hemicellulose also exhibited slight differences among samples. However, the molecular chain-length composition of GM/GGM and AGX in the cell walls decreased clearly with HTT, as well as with an increase in temperature. Also, it was found that the strength of the interaction between cellulose and hemicellulose molecules such as GM/GGM and AGX in cell walls decreased depending on the increase in HTT temperature. These results showed that the polymeric structure of GM/GGM and AGX was degraded by hydrolysis at 95 °C of HTT and proceeded further at 120 °C of HTT. |
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institution | Directory Open Access Journal |
issn | 1930-2126 |
language | English |
last_indexed | 2024-03-13T03:08:08Z |
publishDate | 2023-03-01 |
publisher | North Carolina State University |
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spelling | doaj.art-b26bcb3ebbc643c285f5afb791c20adc2023-06-26T18:56:10ZengNorth Carolina State UniversityBioResources1930-21262023-03-0118232543266345Influence of Hydrothermal Treatment on Hemicellulose Structure in Cryptomeria japonicaYoshikazu Mori0Rensei Suzuki1Kana Yamashita2Makoto Kiguchi3College of Bioresource Sciences, Nihon UniversityCollege of Bioresource Sciences, Nihon UniversityForestry and Forest Products Research Institute, 1 Matsunosato, Tsukuba, Ibaraki 305-8687, JapanCollege of Bioresource Sciences, Nihon UniversityThe influence of hydrothermal treatment (HTT) on the hemicellulose, i.e. glucomannan/galactoglucomannan (GM/GGM) and arabinoglucurono-xylan (AGX) in Japanese cedar was examined using mild temperatures (95 °C and 120 °C) for its kiln drying. Based on infrared spectra, only a slight change due to HTT was observed in the hemicellulose chemical structure. The quantitative changes of the major chemical components including lignin, cellulose, and hemicellulose also exhibited slight differences among samples. However, the molecular chain-length composition of GM/GGM and AGX in the cell walls decreased clearly with HTT, as well as with an increase in temperature. Also, it was found that the strength of the interaction between cellulose and hemicellulose molecules such as GM/GGM and AGX in cell walls decreased depending on the increase in HTT temperature. These results showed that the polymeric structure of GM/GGM and AGX was degraded by hydrolysis at 95 °C of HTT and proceeded further at 120 °C of HTT.https://ojs.cnr.ncsu.edu/index.php/BRJ/article/view/22341arabinoglucuronoxylanglucomannanhydrothermal treatmenthemicellulosejapanese cedarinfrared spectroscopysize exclusion chromatography |
spellingShingle | Yoshikazu Mori Rensei Suzuki Kana Yamashita Makoto Kiguchi Influence of Hydrothermal Treatment on Hemicellulose Structure in Cryptomeria japonica BioResources arabinoglucuronoxylan glucomannan hydrothermal treatment hemicellulose japanese cedar infrared spectroscopy size exclusion chromatography |
title | Influence of Hydrothermal Treatment on Hemicellulose Structure in Cryptomeria japonica |
title_full | Influence of Hydrothermal Treatment on Hemicellulose Structure in Cryptomeria japonica |
title_fullStr | Influence of Hydrothermal Treatment on Hemicellulose Structure in Cryptomeria japonica |
title_full_unstemmed | Influence of Hydrothermal Treatment on Hemicellulose Structure in Cryptomeria japonica |
title_short | Influence of Hydrothermal Treatment on Hemicellulose Structure in Cryptomeria japonica |
title_sort | influence of hydrothermal treatment on hemicellulose structure in cryptomeria japonica |
topic | arabinoglucuronoxylan glucomannan hydrothermal treatment hemicellulose japanese cedar infrared spectroscopy size exclusion chromatography |
url | https://ojs.cnr.ncsu.edu/index.php/BRJ/article/view/22341 |
work_keys_str_mv | AT yoshikazumori influenceofhydrothermaltreatmentonhemicellulosestructureincryptomeriajaponica AT renseisuzuki influenceofhydrothermaltreatmentonhemicellulosestructureincryptomeriajaponica AT kanayamashita influenceofhydrothermaltreatmentonhemicellulosestructureincryptomeriajaponica AT makotokiguchi influenceofhydrothermaltreatmentonhemicellulosestructureincryptomeriajaponica |