• 제목/요약/키워드: Dracaena cambodiana

검색결과 2건 처리시간 0.015초

Two New Flavonoids from Dragon's Blood of Dracaena cambodiana

  • Mei, Wen-Li;Luo, Ying;Wang, Hui;Shen, Hai-Yan;Zeng, Yan-Bo;Dai, Hao-Fu
    • Bulletin of the Korean Chemical Society
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    • 제34권6호
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    • pp.1791-1794
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    • 2013
  • Phytochemical investigation on dragon's blood of Dracaena cambodiana led to the discovery of two new flavonoid derivatives, cambodianin G (1) and cambodianin H (2). Their structures were elucidated on the basis of detailed spectroscopic analysis, including 1D and 2D NMR techniques and chemical methods. The two compounds were observed to exhibit antibacterial activities against Staphylococcus aureus, and compound 1 showed cytotoxicities against K562 and SGC-7901 cell lines.

베트남 캣바국립공원의 식생 (The Vegetation of the Catba national Park in Vietnam)

  • 김종원
    • The Korean Journal of Ecology
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    • 제21권2호
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    • pp.139-149
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    • 1998
  • The Catba national park (20$\circ$42'-20$\circ$54'N, 106$\circ$54'-107$\circ$09'E), which is a representative protected area in northeast Vietnam, was first investigated in terms of phytosociology of the Zurich-Montpellier School. 15 plant communities were identified from the seven vegetation types: Teetaria-Amoora gigantea community, Blechmum-Pitecellobium ferrugineum community, Impatiens-Dracaena cambodiana community, Rhizophora apiculata community, Avicenia marina community, Panicum repens community, Heterosmilax-Zanthoxylum nitidum community, Stachytarphyta jamaiensis-Bidens bipinnata community, microstegium vagans community, Dicranopteris linearis community, Randina-Sapium sebiferum community, Psidium gujava community, Elephantopus scaber community, and chirita aratformis community. Traditional pasturing and shifting agrie\culture by indigenous people in Catba national park were recognized as main disturbance regies, which have been far above sustainable levels. Ecological strategies for conservation and sustainable use on national park' ecosystem were proposed: (1) development of awareness program on sustainable life style of indigenous people, (2) establishment of multiple use module system of national park, (3) ecosystem monitoring of permanent ecological sites.

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