POTENSI AKTIVITAS DARI EKSTRAK RUMPUT LAUT SARGASSUM CINEREUM TERHADAP BAKTERI PATOGEN ICE ICE PADA GRACILARIA VERRUCOSA

  • Nasmia Nasmia Staf PengajarProgram Sudi Akuakultur Fakultas Peternakan dan Perikanan Untad
  • Syahir Natsir Staf PengajarProgram Sudi Akuakultur Fakultas Peternakan dan Perikanan Untad
  • Eka Rosyida Staf Pengajar Jurusan Manajemen Fakultas Ekonomi Universitas Tadulako
Keywords: Gracilaria verrucosa, Sargassum cinereum, ice ice, antibakteri

Abstract

Keanekaragaman hayati yang melimpah di Indonesia sangat mendukung pengembangan tanaman potensial termasuk rumput laut yang dapat digunakan sebagai obat atau antibiotik. Beberapa jenis rumput laut seperti Sargassum cinereum memiliki keragaman produk metabolit sekunder dengan aktivitas antibakteri yang berbeda terhadap sel-sel uji. Penelitian bertujuan untuk mengetahui potensi akitivitas ekstrak rumput laut Sargassum cinereum terhadap bakteri patogen penyebab penyakit ice ice pada Gracilaria verrucosa dengan metode difusi agar. Penelitian ini diharapkan dapat menghasilkan senyawa antibakteri yang aman digunakan dan ramah lingkungan. Hasil penelitian menunjukkan bahwa bakteri yang patogen penyebab penyakit ice ice pada G.verrucosa yaitu Acinetobacter sp., Pseudomonas sp., dan Flavo-Cytophaga sp.  Hasil uji sidik ragam (ANOVA) memperlihatkan bahwa ekstrak air dari Sargassum cinereum  memiliki aktivitas antibakteri tertinggi terhadap Pseudomonas sp. (20,43 mm), Acinetobacter sp., (19,37 mm ), dan bakteri Flavo-Cythopaga (16,63 mm). Hasil isolasi senyawa menunjukkan bahwa ekstrak ini mengandung senyawa Flavonoid.

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