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KMID : 0903520070500040316
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Journal of the Korean Society of Agricultural Chemistry and Biotechnology
2007 Volume.50 No. 4 p.316 ~ p.320
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Phytotoxin Isolated from the Culture Broth of Chaetomium sp.
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Lim Chi-Hwan
Kim Mi-Young
Lee Jae-Won
Yun Bong-Sik
Baek Seung-Hwa
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Abstract
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Three phytotoxic compounds were isolated from the culture broth of Chaetomium sp. through silica gel column chromatography and HPLC (RP-18). Their chemical structures were elucidated as cha- etoglobosin F, chaetoglobosin C and chaetoglobosin E on the basis of instrumental analyses such as 1 H-NMR, 13 C-NMR, and HMQC. They inhibited the root growth of barnyard grass with the IC50 values of 66, 65, and 67 μg/ml, respectively.
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KEYWORD
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Chaetomium sp., phytotoxin, chaetoglobosin F, chaetoglobosin C, chaetoglobosin E
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