Analisis Kelimpahan Dan Karakteristik Mikroplastik Pada Ikan Kerapu (Epinephelus Spp.) Di Pasar Ikan Pabean, Surabaya

Priyanto, Yusion Kartika Valentina (2026) Analisis Kelimpahan Dan Karakteristik Mikroplastik Pada Ikan Kerapu (Epinephelus Spp.) Di Pasar Ikan Pabean, Surabaya. Other thesis, Institut Teknologi Sepuluh Nopember.

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Abstract

Pencemaran mikroplastik di lingkungan perairan laut telah menjadi isu global yang berpotensi mengancam kesehatan biota akuatik dan manusia melalui rantai makanan. Ikan kerapu (Epinephelus spp.) merupakan salah satu ikan konsumsi bernilai ekonomis tinggi yang berpotensi terpapar mikroplastik akibat aktivitas antropogenik di lingkungan perairan. Penelitian ini bertujuan untuk mengetahui tingkat kelimpahan mikroplastik, mengidentifikasi tipe polimer, serta menganalisis karakteristik fisik mikroplastik berdasarkan bentuk, ukuran, dan warna pada ikan kerapu yang diperdagangkan di Pasar Ikan Pabean Surabaya. Sampel penelitian terdiri atas ikan kerapu berukuran besar dan kecil yang diperoleh dari Pasar Ikan Pabean Surabaya. Organ yang diamati meliputi saluran pencernaan, insang, dan daging. Identifikasi mikroplastik dilakukan melalui proses destruksi sampel menggunakan larutan KOH 10%, filtrasi, serta pengamatan menggunakan mikroskop stereo. Analisis tipe polimer dilakukan menggunakan metode Fourier Transform Infrared Spectroscopy (FTIR). Sampel penelitian terdiri atas ikan kerapu berukuran besar dan kecil yang diperoleh dari Pasar Ikan Pabean Surabaya. Organ yang diamati meliputi saluran pencernaan, insang, dan daging. Identifikasi mikroplastik dilakukan melalui proses destruksi sampel menggunakan larutan KOH 10%, filtrasi, serta pengamatan menggunakan mikroskop stereo. Analisis tipe polimer dilakukan menggunakan metode Fourier Transform Infrared Spectroscopy (FTIR). Hasil penelitian menunjukkan bahwa seluruh sampel ikan kerapu terkontaminasi mikroplastik. Jumlah mikroplastik pada ikan berukuran besar mencapai 147 partikel, lebih tinggi dibandingkan ikan berukuran kecil yang berjumlah 98 partikel. Mikroplastik ditemukan pada seluruh organ yang diamati dengan kelimpahan tertinggi pada saluran pencernaan. Karakteristik mikroplastik didominasi oleh bentuk fragmen, ukuran 1–40 μm, dan warna hitam. Hasil analisis FTIR menunjukkan bahwa mikroplastik memiliki kemiripan spektrum dengan kelompok polimer berbasis akrilat, yaitu polyacrylic acid dengan tingkat kecocokan sekitar 77–80%.
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Microplastic pollution in marine environments has become a global issue that has the potential to threaten the health of aquatic biota and humans through the food chain. Grouper (Epinephelus spp.) is a high-value fish that is potentially exposed to microplastics due to anthropogenic activities in the aquatic environment. This study aims to determine the level of microplastic abundance, identify polymer types, and analyze the physical characteristics of microplastics based on shape, size, and color in grouper fish traded at the Surabaya Pabean Fish Market. The research samples consisted of large and small grouper fish obtained from the Surabaya Pabean Fish Market. The organs observed included the digestive tract, gills, and flesh. Microplastic identification was carried out through a sample destruction process using a 10% KOH solution, filtration, and observation using a stereo microscope. Polymer type analysis was carried out using the Fourier Transform Infrared Spectroscopy (FTIR) method. The research samples consisted of large and small grouper fish obtained from the Surabaya Pabean Fish Market. The organs observed included the digestive tract, gills, and flesh. Microplastic identification was carried out through sample destruction using a 10% KOH solution, filtration, and observation using a stereo microscope. Polymer type analysis was carried out using the Fourier Transform Infrared Spectroscopy (FTIR) method. The results showed that all grouper samples were contaminated with microplastics. The number of microplastics in large fish reached 147 particles, higher than in small fish which amounted to 98 particles. Microplastics were found in all organs observed with the highest abundance in the digestive tract. The characteristics of microplastics were dominated by fragment form, a size of 1–40 μm, and black color. The results of the FTIR analysis showed that microplastics had spectral similarities with acrylate-based polymer groups, namely polyacrylic acid with a library match rate of around 77–80%.

Item Type:	Thesis (Other)
Uncontrolled Keywords:	Epinephelus spp., FTIR, Kelimpahan Mikroplastik, Pasar Ikan Pabean, Polimer ================================================================================================== Epinephelus spp., FTIR, Microplastic Abundance, Pabean Fish Market, Polymer
Subjects:	Q Science Q Science > QH Biology > QH301 Biology Q Science > QH Biology > QH541 Ecology
Divisions:	Faculty of Science and Data Analytics (SCIENTICS) > Biology > 46201-(S1) Undergraduate Thesis
Depositing User:	Yusion Kartika Valentina Priyanto
Date Deposited:	11 Aug 2026 08:48
Last Modified:	11 Aug 2026 08:48
URI:	http://repository.its.ac.id/id/eprint/143841

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