Chemical constituents of Picea neoveitchii |
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| Authors: | Song Zhijun Chen Weiquan Du Xiaoying Zhang Heng Lin Lijing Xu Hanhong |
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| Institution: | a Key Laboratory of Natural Pesticides and Chemical Biology, South China Agricultural University, Guangzhou 510642, People’s Republic of China
b College of Agriculture, Yangtze University, Jingzhou, Hubei 434025, People’s Republic of China |
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| Abstract: | Four flavonoids, 5,7,4′-trihydroxy-3,8,-dimethoxy-6-C-methylflavone (1), 5,8,4′-trihydroxy-3,7-dimethoxy-6-C-methylflavone (2), 7-methoxy-6-C-methylkaempferol (3) and kaempferol-7-O-(2″-E-p-coumaroyl)-α-l-arabinofuranoside (4), together with 15 known compounds, were isolated from the twigs and leaves of Picea neoveitchii Mast. Their structures were elucidated on the basis of analyses of spectroscopic data. Compound 4 showed strong anti-fungal activity against Fusarium oxysporum whereas compounds 1-4 were all active against Rhizoctonia solani. |
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| Keywords: | Picea neoveitchii Pinaceae Chemical components C-Methylflavone Flavonoids Anti-fungal activities |
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