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All Journal Asian Journal of Aquatic Sciences
Yuana Nurulita
University Riau
Agriculture, Biological Sciences & Forestry

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SECONDARY METABOLITE CHARACTERISTIC OF HETEROTROPHIC BACTERIA PRODUCTION AS ANTIMICROBIA AT DIFFERENT SALINITY Nadya Apriyola; Feliatra Feliatra; Yuana Nurulita
Asian Journal of Aquatic Sciences Vol 3 No 2 (2020)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/ajoas.3.2.147-157

Abstract

This research was conducted from March-June 2019. The purpose of this study was to determine the characteristics of secondary metabolites prduced by of heterotrophic bacterial from sea water Sungai Kayu Ara Village, Siak Regency as an antimicrobial and to determine the storage time of these bacteria by measuring at the optimal growth time. Five bacterial secondary metabolite extracts used were B, C, D, and H (B. cereus) and J (V. fluvialis) obtained from the collection of Marine Microbiology Laboratory, Department of Marine Sciences, Faculty of Fisheries and Marine sciences, University of Riau. phytochemical test showed that extracts of isolates B, D, and H contained saponin compounds, while isolate J contained flavonoid compounds, however, all extracts contained alkaloid compounds. Antimicrobial test indicated that J extract inhibited A. Hydrophila at concentration 500 µg/ml but the extract could not inhibit V. algynolyticus and Pseudomonas sp concentrations determined. In the bacterial storage time test, the optimal growth of each bacterial concentration at was 7th day incubation and decreased on the 14th day.
Co-Authors F, Feliatra Nadya Apriyola