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논문 기본 정보

자료유형
학술저널
저자정보
Choi, In-Ho (School of Forest Resources, Chungbuk National University) Choi, Tae-Ho (School of Forest Resources, Chungbuk National University) Park, Youngki (Div. Biotechnology, Korea Forest Research Institute) Lee, Oh-Kyu (Div. Wood Chemistry & Microbiology, Korea Forest Research Institute) Kwon, Yeong-Han (National Arboretum) Kang, Ha-Young (Div. Wood Chemistry & Microbiology, Korea Forest Research Institute) Park, Il-Kwon (Div. Forest Insect Pests and Disease, Korea Forest Research Institute) Choi, Don-Ha (Div. Wood Chemistry & Microbiology, Korea Forest Research Institute) Shin, Sang-Chul (Div. Forest Insect Pests and Disease, Korea Forest Research Institute) Lee, Hak-Ju (Div. Wood Chemistry & Microbiology, Korea Forest Research Institute)
저널정보
한국목재공학회 목재공학(Journal of the Korean Wood Science and Technology) 목재공학 제34권 제2호
발행연도
2006.1
수록면
95 - 100 (6page)

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This study is to isolate bio-active compounds from Alnus firma and evaluate their antioxidant activity. Dried wood powder of A. firma was extracted by organic solvents and fractionated in the sequential extraction steps. The isolated compounds were characterized by EI-MS, $^{13}C-$ and $^1H-NMR$ including COSY, DEFT, HMQC, and HMBC. Antioxidant activities of the isolated compounds were evaluated by DPPH (1,1-diphenyl-2-picrylhydrazyl) free radical scavenging effect. From the wood of A. firma, three kinds of diarylheptanoids, alnusodiol (1), alnusonol (2) and alnusone (3), and gallic acid (4) were isolated. Among these four compounds, compound 1, 2, and 3 are isolated from A. firma for the first time. The antioxidant activity of gallic acid was 93.5% at the concentration of 100 ppm. This compound showed stronger antioxidant activity than those of other isolated compounds and the reference BHT (butylated hydroxytoluene).

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