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Antibacterial activity of extracts from Zostera marina against pathogens of Apostichopus japonicus skin ulceration disease

Journal of Ocean University of China volume 9, pages 68–70 (2010)Cite this article

Abstract

The purpose of this study was to investigate the antibacterial activity of extracts from Zostera marina against the pathogens of Apostichopus japonicus skin ulceration disease. When 95% ethanol (v/v) solvent was used to extract Zostera marina at 50°C, aqueous extract (ZA) showed obvious bacteriostatic effects on the tested bacterial strains (inhibition halo diameters between 8.23 mm and 13.62 mm), whereas the ethyl acetate extract (ZE) was almost inactive. The minimal inhibitory concentration (MIC) of ZA against four pathogens were homogeneous at 12.8 g L−1. ZA components were analyzed by thin layer chromatography (TLC) assay and six fractions were obtained. In another study, the six fractions showed inhibitory effects against the tested bacteria while their functions seemed to counteract the ZA activity.

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Authors and Affiliations

  1. College of Marine Life Sciences, Ocean University of China, Qingdao, 266003, P. R. China

    Yang Liu, Guoliang Jiang & Zhiqiang Wu

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  1. Yang Liu
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  2. Guoliang Jiang
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  3. Zhiqiang Wu
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Correspondence to Guoliang Jiang.

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Liu, Y., Jiang, G. & Wu, Z. Antibacterial activity of extracts from Zostera marina against pathogens of Apostichopus japonicus skin ulceration disease. J. Ocean Univ. China 9, 68–70 (2010). https://doi.org/10.1007/s11802-010-0068-y

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  • DOI: https://doi.org/10.1007/s11802-010-0068-y

Key words

  • Zostera marina
  • Apostichopus japonicus skin ulceration disease
  • antibacterial activity