EXISTENCE OF LIGNIN IN SEAWEEDS AND THE SIGNIFICANCE
| Project/Area Number |
23654196
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Multi-year Fund |
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| Research Field |
Geochemistry/Astrochemistry
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| Research Institution | Soka University |
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Principal Investigator |
YAMAMOTO Shuichi 創価大学, 工学部・環境共生工学科, 教授 (20182628)
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| Project Period (FY) |
2011 – 2012
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| Project Status |
Completed (Fiscal Year 2012)
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| Budget Amount *help |
¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Fiscal Year 2012: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2011: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
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| Keywords | 海藻 / リグニン構造 / 熱化学分解法 / 陸起源有機物 / 海起源有機物 / TMAH法 / リグニン / バイオマーカー |
|---|
| Research Abstract |
Chemical analyses were conducted using about 30 species of brown, red and green algae in seaweeds by the alkaline hydrolysis and the thermochemolysis methods. Since lignin phenol was not detected by the former method, it became more certain that the lignin phenols included in seaweeds are bridged not by an ester bond but by an ether bond. By the latter method, p-coumaric acid was the most abundant in all seaweeds. This has suggested that seaweeds have the same lignin synthesis system as land vascular plants. Moreover, Sargassaceae of Fucales in the brown algae has a possibility of developing the lignin structure, because it was the most abundant of syringic acid.
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Report
(3 results)
Research Products
(45 results)
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[Journal Article] Characterization of Moderately Thermophilic Bacteria Isolated from Saline Hot Spring in Japan2011
Author(s)
Kawasaki, Y., Aoki, M., Makino, Y., Sakai, H., Tsuboi, Y., Ueda, J., Sonoda, K., Watanabe, K., Yamamoto, S. and Kurosawa, N.
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Journal Title
Microbiology Indonesia
Volume: 5
Pages: 56-60
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[Presentation] Contribution of coral-derived organic matters and POM as carbon sources for reef-zooplankton communities.2012
Author(s)
Nakatomi N., R. Nakajima, T. Yoshida, K. Sonoda, S. Yamamoto, B.H.R. Othman, K.Zaleha, A.W.M. Effendy, M.S. Noor Azhar and T. Toda
Organizer
Association for the Sciences of Limnology and Oceanography (ASLO), Ocean Sciences Meeting
Place of Presentation
Salt Lake City, Utah, USA
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[Presentation] Coral-mucus as a Possible Carbon Source for Zooplankton Communities in a Fringing Reef of Bidong Island, Malaysia through Bulk Stable Isotope Analysis2011
Author(s)
Nakatomi N., Nakajima R., Yoshida T., Sonoda K., Yamamoto S., Othman B.H.R., Zaleha K., Effendy A.W.M., Noor Azhar M.S. and Toda T.
Organizer
International Postgraduate Conference on Biotechnology (IPCB) 2011
Place of Presentation
Kuala Terengganu, Malaysia
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