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Rahmadani, Thoy Batun Citra
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Journal : Journal of Fish Health

 1 
Identification of Flavonoid Content Extracted from Mangosteen Peel (Garcinia mangostana) Sourced from Mataram, West Nusa Tenggara Muahiddah, Nuri; Rahmadani, Thoy Batun Citra
Journal of Fish Health Vol. 4 No. 4 (2024): Journal of Fish Health
Publisher : Aquaculture Department, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jfh.v4i4.5925

Abstract

Mangosteen peel (Garcinia mangostana) is known for its high concentration of bioactive compounds, particularly flavonoids, which possess various health benefits such as antioxidant, anti-inflammatory, and antimicrobial properties. This study aims to identify and quantify the flavonoid content extracted from mangosteen peels sourced from Mataram, West Nusa Tenggara. Using ethanol as a solvent, the extraction process was carried out through maceration, followed by qualitative and quantitative analysis using Fourier Transform Infrared Spectroscopy (FT-IR). The FTIR analysis confirmed the presence of key functional groups associated with flavonoids, including hydroxyl (-OH), ether (C-O), and aromatic C=C groups. Quantitative analysis revealed a significant flavonoid content. Additionally, the extract showed potential antibacterial properties against Aeromonas hydrophila, suggesting its application as a natural antimicrobial agent.
Natural Feed Administration During Fattening Stage for the Growth of Mud Crabs (Scylla sp.) Under Different Rearing Systems Rahmadani, Thoy Batun Citra; Diamahesa, Wastu Ayu
Journal of Fish Health Vol. 4 No. 4 (2024): Journal of Fish Health
Publisher : Aquaculture Department, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jfh.v4i4.5930

Abstract

Mud crab (Scylla spp.) aquaculture holds significant potential in supporting food security, economic growth, and ecological balance. This study aims to summarize various findings related to critical factors in mud crab farming, such as feed types, rearing systems, and stocking density, and their impact on productivity, feed conversion ratio (FCR), and economic profitability. The review highlights that trash fish feed at 15% of body weight yields optimal growth and feed efficiency due to its high protein content. Feed diversification, including stingray and janitor fish, offers promising results with reduced costs. Various rearing systems are employed, ranging from cages and earthen ponds to advanced technologies such as Recirculating Aquaculture Systems (RAS). Small bamboo floating cages demonstrate superior outcomes in growth and survival rates (SR). Mangrove habitats significantly enhance crab growth, while silvofishery systems provide a sustainable farming alternative. Optimal stocking density, such as 4 crabs/m², balances growth and production. Additionally, Scylla serrata exhibits the best growth rate compared to other species, particularly males. Innovations like soft-shell farming technology add economic value to the product. Overall, the success of mud crab aquaculture depends on the optimal combination of feed, rearing systems, and environmental management. This review offers strategic insights for developing efficient, sustainable, and economically viable crab farming practices.
Effectiveness of Cinnamon (Cinnamomum burmannii) Leaf Extract on Growth and Meat Quality of Farmed Fish: A Review Rahmadani, Thoy Batun Citra; Mulyani, Laily Fitriani; Sumiana, I Kadek
Journal of Fish Health Vol. 5 No. 4 (2025): Journal of Fish Health
Publisher : Aquaculture Department, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jfh.v5i4.8974

Abstract

Aquaculture continues to expand globally, requiring natural and sustainable feed additives to enhance fish growth and meat quality. Cinnamon (Cinnamomum burmannii) leaf extract contains diverse bioactive compounds, including cinnamaldehyde, flavonoids, polyphenols, and terpenoids, which possess antioxidant, antimicrobial, and growth-promoting properties. This review aims to summarize scientific evidence on the effectiveness of cinnamon leaf extract in improving growth performance and meat quality of farmed fish. A systematic literature review was conducted by analyzing 41 scientific publications obtained from Google Scholar, ProQuest, and Elsevier. The reviewed studies consistently showed that supplementation of cinnamon leaf extract or powder at doses ranging from 0.25–1% in fish feed enhances growth parameters such as Specific Growth Rate, feed efficiency, protein retention, and biomass in species including barramundi, Nile tilapia, common carp, and striped catfish. In addition, the extract significantly improves meat quality by reducing body and meat fat content, enhancing texture, increasing protein levels, and improving sensory attributes such as taste and fillet color. These improvements are attributed to the metabolic, antioxidant, and lipid-modulating mechanisms of the phytochemicals present in cinnamon leaves. Overall, cinnamon leaf extract demonstrates strong potential as a natural, environmentally friendly feed additive that supports both productivity and product quality in modern aquaculture systems.
Optimizing Binder Type and Concentration to Enhance Stability and Acceptability of Pasta Feed for Swamp Eel (Monopterus albus) Abidin, Zaenal; Lumbessy, Salnida Yuniarti; Diniarti, Nanda; Alim, Sahrul; Rahmadani, Thoy Batun Citra; Arfatunnisa
Journal of Fish Health Vol. 5 No. 4 (2025): Journal of Fish Health
Publisher : Aquaculture Department, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jfh.v5i4.9112

Abstract

Feed stability is a crucial factor in aquaculture, as it affects both the physical integrity of the feed and its acceptance by aquatic species. For Monopterus albus (swamp eel), maintaining feed stability while ensuring palatability is vital for optimal growth and health. This study aimed to evaluate the effects of different binder types and concentrations on the stability and acceptability of pasta feed for Monopterus albus (swamp eel). Seven binders—gelatin, gluten, CMC, chitosan, alginate, guargum, and carrageenan—were tested at 0%, 10%, 15%, and 20% concentrations using a completely randomized design. Feed disintegration and breakdown times, along with feeding behavior, were analyzed using non-parametric tests. Gelatin, CMC, and chitosan significantly improved feed stability (p < 0.05), maintaining cohesion for over 40 minutes. Gelatin at 10% concentration yielded optimal results, balancing water resistance and palatability. Behavioral observations showed that gelatin-based feeds were most preferred, with increased feeding frequency and consumption. When combined with natural attractants such as worms and snails, gelatin feeds enhanced intake rates. These outcomes indicate that protein-based binders, particularly gelatin, offer superior mechanical and nutritional advantages compared to polysaccharide alternatives. Gelatin’s dual role as a binder and nutritional enhancer provides a promising strategy for sustainable aquaculture feed development.
Co-Authors A Rahman Abidin, Z Affandi, Rangga I. Ahmad Ahmad Amanda, Salsabila Andre Rachmat Scabra Angga, Prayogi Dwina Anggara, Lalu Imam Anggraini, Irika Devi Arfat, Arfat Arfatunnisa Asmahwati, Asmahwati Asri, Yuliana Auliah, Jami'atul Ayu Diamahesa, Wastu Badrun Badrun Bagus Dwi Hari Setyono Dewi Putri Lestari, Dewi Putri Diamahesa, Wastu A. Diamahesa, Wastu Ayu Diniariwisan, Damai Dwiyanti, Septiana Elsa Sabathini Fadiya Astiarini Fariq Azhar Insani Jati Surya Juniyastuti, Sri Indah Kaswadi, Hendri Laila Sahira Nur Laily Fitriani Lalu Imam Anggara Lili Indiria Ganadi Lumbessy, Salnida Yuniarti Lumbessy, Salnida Yuniati Marno, Septhian Muhammad Junaidi Muhammad Marzuki Muhammad Sumsanto Mulyani, Laily Fitriani Murtiningsih, Sustanti Naban, Sulthon Hamid Faros Nada, Qothrun Nanda Diniarti Nunik Cokrowati Nuri Muahiddah Nursadilah Pebriata, M. Nurdian Rangga Idris Affandi Retno Palupi Rismayanti Rismayanti Rusman Rusman Sabathini, Elsa Sahrul Alim Saomadia, Baiq T. Setyono, Bagus D. H. Sukartono sukriadi sukriadi Sumiana, I Kadek Syawalina Fitria Taslim, Muhammad Titi Indrawati, Titi Yatin, Nur Zaenal Abidin