Journal of the Korean Wood Science and Technology

The Korean Society of Wood Science & Technology (한국목재공학회)
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Anatomical Characteristics of Three Korean Bamboo Species

국내산 대나무 3종의 해부학적 특성

  • Jeon, Woo-Seok (Department of Forest Biomaterials Engineering, College of Forest and Environmental Sciences, Kangwon National University) ;
  • Kim, Yun-Ki (Department of Forest Biomaterials Engineering, College of Forest and Environmental Sciences, Kangwon National University) ;
  • Lee, Ju-Ah (Department of Forest Biomaterials Engineering, College of Forest and Environmental Sciences, Kangwon National University) ;
  • Kim, Ah-Ran (Department of Forest Biomaterials Engineering, College of Forest and Environmental Sciences, Kangwon National University) ;
  • Darsan, Byantara (Department of Forest Biomaterials Engineering, College of Forest and Environmental Sciences, Kangwon National University) ;
  • Chung, Woo-Yang (Department of Wood Science and Engineering, College of Agriculture and Life Science. Chonnam National University) ;
  • Kim, Nam-Hun (Department of Forest Biomaterials Engineering, College of Forest and Environmental Sciences, Kangwon National University)
  • 전우석 (강원대학교 산림환경과학대학 산림바이오소재공학과) ;
  • 김윤기 (강원대학교 산림환경과학대학 산림바이오소재공학과) ;
  • 이주아 (강원대학교 산림환경과학대학 산림바이오소재공학과) ;
  • 김아란 (강원대학교 산림환경과학대학 산림바이오소재공학과) ;
  • ;
  • 정우양 (전남대학교 농업생명과학대학 임산공학과) ;
  • 김남훈 (강원대학교 산림환경과학대학 산림바이오소재공학과)
  • Received : 2017.11.28
  • Accepted : 2017.12.13
  • Published : 2018.01.25
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Abstract

Bamboo is one of the major biomass resources in the world. To obtain valuable information for effective use of bamboo resources in Korea, the anatomical characteristics of the commercial Korean bamboo species (Phyllostachys pubescens, Phyllostachys nigra, and Phyllostachys bambusoides) were analyzed. The structures in bamboo culm were observed by optical and scanning electron microscopy. Also the crystalline properties as relative crystallinity and crystallite width were measured by an X-ray diffraction method. The three Korean bamboo species had the vascular bundle type I with tylosoid in intercellular space. In the outer part of culm, vascular bundles showed denser spacing than inner part. The fiber length in outer part samples of the three bamboo species showed longer than inner part samples. Furthermore, the fiber length showed a significant difference between inner part and outer part in three bamboo species, showing the longest fiber length in Phyllostachys bambusoides. Phyllostachys pubescens showed the greatest diameter in vessel and parenchyma on cross section. Parenchyma cells in Phyllostachys pubescens and Phyllostachys bambusoides showed similar length and width in both radial and tangential sections. The relative crystallinity and crystallite width in outer part samples of the three bamboo species showed higher values than those in inner part samples, with the greatest values from Phyllostachys bambusoides.

본 연구에서는 주요 바이오매스 자원의 하나인 대나무의 효율적 활용을 위한 기초자료를 수집하기 위하여, 국내산 대나무 3종(맹종죽, 솜대 및 왕대)의 해부학적 특성을 광학현미경 및 주사전자현미경으로 비교 분석하였다. 또한 X선 회절법에 의해 셀룰로오스의 결정특성을 분석하였다. 횡단면 관찰 결과, 3종 모두 유관속 I형으로 종간 동일한 형태를 보였다. 또한 횡단면의 내측부에서 외측부로 갈수록 유관속의 출현빈도가 더 높았고, 유관속을 둘러싸고 있는 유관속초의 비율도 커졌다. 구성세포 치수 측정 결과, 섬유길이는 모든 종에서 외측부의 값이 내측부의 값보다 컸으며, 내측부와 외측부 모두 왕대의 섬유길이가 가장 길었다. 섬유길이의 유의성 검정 결과 3종 모두 내측부와 외측부간에 유의성이 나타났다. 횡단면에서 측정한 도관 직경 및 유세포 직경은 맹종죽의 값이 가장 컸으며, 방사 및 접선단면에서 측정한 유세포 길이 및 폭은 맹종죽과 왕대가 유사한 값을 나타냈고, 솜대가 가장 작았다. 셀룰로오스의 결정특성 분석 결과 상대결정화도 및 결정 폭은 외측부가 내측부에 비해 다소 높았으며, 왕대의 상대결정화도 및 결정 폭이 다른 2종에 비해 다소 높았다.

Keywords

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