NATURAL PRODUCT RESEARCH AND DEVELOPMENT ›› 2020, Vol. 32 ›› Issue (6): 1000-1005.doi: 10.16333/j.1001-6880.2020.6.013

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Secondary metabolites of Fusarium sambucinum B10.2 from Aconitum vilmorinianum Kom.

LUO Ping,SHU Yan,ZHU Li,DING Zhong-tao,CAI Le*   

  1. Functional Molecules Analysis and Biotransformation Key Laboratory of Universities in Yunnan Province;Key Laboratory of Medicinal Chemistry for Natural Resource,Ministry of Education;School of Chemical Science and Technology,Yunnan University, Kunming 650091,China

  • Online:2020-06-28 Published:2020-07-06

Abstract:

Ten compounds were obtained from Fusarium sambucinum B10.2,which was isolated from Aconitum vilmorinianum Kom.Their structures were identified as:cyclonerodiol (1),trichoderiol A (2),T-2 tetraol (3),sambacide (4),12β-acetoxy-4,4-dimethyl-24-methylene-5α-cholesta-8,14-diene-3β,11α-diol (5),bisphenol A (6),β-sitosterol (7),magnolin (8),indazole (9),uracil (10).Compounds 1-3,5-10 were isolated from this fungus for the first time,and 6 was first obtained from nature.The results of bioactivity assays showed that compound 4 could inhibit the growth of Escherichia coli with the minimum inhibitory concentration (MIC) of 32 μg/mL.Compounds 6 and 9 showed strong inhibitory activity against Staphylococcus aureus,and the MIC was 64 μg/mL,which was at the same grade as positive control.Compounds 2,3 and 4 exhibited moderate acetylcholinesterase (AChE) inhibitory effects.

Key words: Fusarium sambucinum, Aconitum vilmorinianum, secondary metabolites, antibacterial 

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