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      Penapisan Senyawa Aktif Antibiofouling dan Antibiokorosi dari Organisme Laut Indonesia Menggunakan Analisis Spektroskopi NMR

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      Date
      2024
      Author
      Miftah, Jihan Azmi
      Hanif, Novriyandi
      Rachmania, Nisa
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      Abstract
      Industri maritim sebagai pendorong utama perdagangan global dan pertumbuhan ekonomi mengalami kerugian masif yang disebabkan oleh aktivitas biofouling dan biokorosi. Penelitian ini bertujuan menapis sejumlah 173 sampel lapisan EtOAc dan H2O organisme laut kategori toksisitas lemah hingga nontoksik terhadap serangkaian bioasai (antibakteri, antiquorum sensing, biosurfaktan, antibiofouling, dan antibiokorosi) dan analisis KLT serta NMR 1H. Sejumlah 15 dari total 173 sampel adalah aktif antibakteri terhadap Pseudomonas aeruginosa dan Staphylococcus aureus. Dari 15 sampel, 8 sampel berpotensi mengandung biosurfaktan. Di antara 8 sampel tersebut, 4 sampel adalah aktif sebagai inhibitor quorum sensing terhadap P. aeruginosa. Lapisan EtOAc tunikata (D1-I-0159-22E) memperlihatkan aktivitas terampuh terhadap asai antibiofouling (100 µg/mL, tidak ada kematian dan tidak ada pelekatan byssus) dan antibiokorosi (35 µg/mL, mpy 10,70±1,70). Analisis KLT dan NMR 1H menunjukkan keberadaan senyawa alkaloid dan terpenoid pada lapisan EtOAc tunikata, D1-I-0159-22E
       
      As the primary driver of global trade and economic growth, the maritime industry is experiencing massive losses caused by biofouling and biocorrosion activities. This research aims to screen a total of 173 samples of EtOAc and H2O layers of marine organisms with weak to non-toxic categories against a series of bioassays (antibacterial, antiquorum sensing, biosurfactant, antibiofouling, and antibiocorrosion) and TLC as well as 1H NMR analyses. Among the 173 total samples evaluated, 15 showed antibacterial activity against Pseudomonas aeruginosa and Staphylococcus aureus. Of the 15 samples, 8 potentially contained biosurfactant properties. Among these 8 samples, 4 were active as inhibitors of quorum sensing against P. aeruginosa. The EtOAc layer of tunicate (D1-I-0159-22E) exhibited the most potent activity in the antibiofouling (100 µg/mL, no death, and no byssus adhesion) and the antibiocorrosion (35 µg/mL, mpy 10.70±1.70) assays. TLC and 1H NMR analyses indicated the presence of alkaloid and terpenoid compounds in the EtOAc layer of tunicate, D1-I-0159-22E.
       
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      http://repository.ipb.ac.id/handle/123456789/155433
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      • UT - Chemistry [2295]

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