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Use of mimosa (Mimosa pudica) leaf extract as an antibacterial for koi fish frys infected with Aeromonas hydrophila Ismarica, Ismarica; Ningsih, Vella Gustia; Dewiyanti, Irma; Arisa, Iko Imelda; Nuzlia, Cut; Dewi, Cut Dara; Humeira, Humeira
Depik Jurnal Ilmu Ilmu Perairan, Pesisir, dan Perikanan Vol 14, No 4 (2025): December 2025
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.14.4.46241

Abstract

This study evaluates the antibacterial potential of Mimosa pudica leaf extract for koi fry (Cyprinus carpio) infected with Aeromonas hydrophila. Specifically, it investigates the effects of immersion treatments at different concentrations, determines the optimal dose, and analyzes hematological responses. The research was conducted from December 2023 to January 2024 at the Fish Hatchery and Breeding Laboratory, Faculty of Marine and Fisheries, Syiah Kuala University. A Completely Randomized Design (CRD) was applied with six treatments A (negative control), B (positive control), C (Mimosa leaf extract 6%), D (Mimosa leaf extract 7%), E (Mimosa leaf extract 8%), and F (Mimosa leaf extract 9%) each with three replications. The results showed notable improvements in clinical symptoms of koi fry, including active swimming behavior, better feeding response, fading of red spots, reduced mucus production, normalized scales, absence of abdominal swelling, and restoration of normal eye color. ANOVA analysis of survival rate revealed a significant effect (P 0.05), with the highest survival observed in treatment F (86%) compared to treatment B (46%). In conclusion, Mimosa pudica leaf extract at a concentration of 9% (treatment F) provided the best results and can be recommended as a potential natural antibacterial for koi fry.Keywords:MimosaAeromonas hydrophilaKoi fishclinical symptoms
A Comprehensive Analysis of Metabolite Profile and Phytochemical Composition of Ulva lactuca Macroalgae From The Coast of Banda Aceh, Indonesia Akbar, Said Ali; Hasan, Muhammad; Afriani, Sari; Nuzlia, Cut; Zulfahmi, Ilham
Elkawnie Vol. 11 No. 2 (2025)
Publisher : Faculty of Science and Technology Universitas Islam Negeri Ar-Raniry

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/ekw.v11i2.25403

Abstract

Abstract: Marine macroalgae are known for their rich bioactive compounds, offering various pharmacological benefits. This research was conducted to analyze the phytochemical composition and metabolite profiles of Ulva lactuca, a marine macroalgae, along the coastal region of Banda Aceh, Indonesia. The research methodology encompassed three primary phases: assessment of antioxidant scavenging activity, determination of phytochemical composition, and in vivo metabolite profiling. The extract exhibited notable antioxidant activity, evidenced by its 47.22% inhibition rate. Spectral analysis via FTIR revealed prominent peaks at 1019 cm−1, 1654 cm−1, and 3352 cm−1, indicative of the presence of ethers, carbonyls, and hydroxyl groups, respectively. GC-MS analysis, coupled with a literature review, identified a total of 30 phytochemical compounds within Ulva lactuca, several of which possess significant bioactive properties with potential applications as antibacterial agents in both human and animal contexts. Consequently, Ulva lactuca demonstrates promising prospects as a source of antibacterial agents. The implications of this study suggest that Ulva lactuca could be developed as a natural alternative for antibacterial treatments, potentially reducing dependence on synthetic antibiotics in both healthcare and aquaculture industries. Abstrak: Makroalga dikenal karena kandungan senyawa bioaktifnya yang kaya, yang menawarkan berbagai manfaat farmakologis. Penelitian ini dilakukan untuk menganalisis komposisi fitokimia dan profil metabolit dari Ulva lactuca di sepanjang wilayah pesisir Banda Aceh, Indonesia. Metodologi penelitian mencakup tiga fase utama: penilaian aktivitas antioksidan, penentuan komposisi fitokimia, dan profil metabolit in vivo. Ekstrak menunjukkan aktivitas antioksidan yang signifikan, dibuktikan dengan tingkat inhibisi sebesar 47,22%. Analisis spektral menggunakan FTIR mengungkapkan puncak pada 1019 cm−1, 1654 cm−1, dan 3352 cm−1, yang menunjukkan adanya gugus eter, karbonil, dan hidroksi. Analisis GC-MS, yang dipadukan dengan tinjauan literatur, mengidentifikasi total 30 senyawa fitokimia dalam Ulva lactuca, beberapa di antaranya memiliki sifat bioaktif signifikan dengan potensi aplikasi sebagai agen antibakteri dalam konteks manusia dan hewan. Dengan demikian, Ulva lactuca menunjukkan prospek yang menjanjikan sebagai sumber agen antibakteri. Implikasi dari penelitian ini menunjukkan bahwa Ulva lactuca dapat dikembangkan sebagai alternatif alami untuk pengobatan antibakteri, yang berpotensi mengurangi ketergantungan pada antibiotik sintetis dalam industri kesehatan dan akuakultur.