NATURAL PRODUCT RESEARCH AND DEVELOPMENT ›› 2019, Vol. 31 ›› Issue (3): 450-454. doi: 10.16333/j.1001-6880.2019.3.013

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Secondary metabolites of an endophytic fungus Colletotrichum sp.SCSIO KcB3-2 isolated from Kandelia candel

DAI Yu1,2,LIN Xiu-ping1,PANG Xiao-yan1,2,LUO Xiao-wei1,2,SALENDRA Limbadri1,2,YANG Bin1,WANG Jun-feng1,ZHOU Xue-feng1,LIU Yong-hong1,2,3*   

  1. 1Guangdong Key Laboratory of Marine Materia Medica,South China Sea Institute of Oceanology,Chinese Academy of Sciences,Guangzhou 510301,China;2University of Chinese Academy of Sciences,Beijing 100049,China; 3South China Sea Bio-Resource Exploitation and Utilization Collaborative Innovation Center,Guangzhou 510275,China
  • Online:2019-04-02 Published:2019-04-02

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Abstract: The secondary metabolites of strain Colletotrichum sp.SCSIO KcB3-2,an endophytic fungus obtained from mangrove plant Kandelia candel,were investigated.The extracts were purified by comprehensive chromatography methods of silica gel column,ostade-cylsilane (ODS),and semipreparative HPLC.The structures of the compounds were elucidated by spectroscopic analysis,and comparison with the reported data.Fourteen compounds were obtained and identified as 4-hydroxybenzaldehyde (1),4-(2-hydroxyethyl)phenol (2),4-hydroxyphenethyl acetate (3),1-(4-hydroxyphenyl)ethane-1,2-diol (4),4-(2-hydroxy-1-methoxyethyl)phenol (5),1-phenylethane-1,2-diol (6),2-amino-3-phenylpropan-1-ol (7),methyl 2-(4-hydroxyphenyl)acetate (8),2-(2-hydroxyethyl)phenol (9),3-chlorogentisyl alcohol (10),4-hydroxymellein (11),diaporthin (12),cyclo-(L-Phe-L-Leu) (13),and cyclo-(D-Phe-L-Ile) (14),respectively.Compounds 3-14 were isolated from endophytic fungus obtained from mangrove plant Kandelia candel for the first time．

Key words: mangrove plant, Kandelia candel, endophytic fungus, secondary metabolites

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