Aspergicin, a new antibacterial alkaloid produced by mixed fermentation of two marine-derived mangrove epiphytic fungi

Chemistry of Natural Compounds - Tập 47 - Trang 767-769 - 2011
Feng Zhu1, Guangying Chen2, Xin Chen1, Meizhen Huang1, Xueqin Wan3
1Department of Chemistry and Chemical Engineering, Foshan University, Foshan, P. R. China
2Hainan Provincial Key Laboratory of Tropical Pharmaceutical Herb Chemistry, School of Chemistry & Chemical Engineering, Hainan Normal University, Haikou, P. R. China
3School of Medical Science, Foshan University, Foshan, P. R. China

Tóm tắt

A new alkaloid designated as aspergicin (1), together with a previous secondary metabolite, neoaspergillic acid (2), and a common compound, ergosterol (3), were isolated from the mixed cultured mycelia of two marine-derived mangrove epiphytic Aspergillus sp. fungi. Extensive application of 1D and 2D NMR techniques was made to characterize the structure and to establish the 1H and 13 C assignments of compound 1. In the antibacterial assays, both compounds 1 and 2 showed significant antibacterial activity against some selected Gram bacteria.

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