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All Journal Jurnal Akuakultur Indonesia Jurnal Riset Akuakultur Journal of Fish Health
Sumiana, I Kadek
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Agriculture, Biological Sciences & Forestry Environmental Science

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Journal : Journal of Fish Health

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The Effect of Crude Jackfruit (Artocarpus heterophyllus) Leaf Extract on Pseudomonas fluorescens Bacteria In Vitro Nilakandhi, Tania; Laily, Anggita Noer; Hidayati, Desy Amalia; Sumiana, I Kadek; Riyadi, Farid Mukhtar; Fauzi, Arini Resti
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.v5i4.8673

Abstract

Cultivation activities often experience obstacles due to bacterial disease attacks, one of which is caused by P. fluorescens bacteria. Commercial treatment efforts include the use of antibiotics, but this can cause bacterial resistance. Therefore, an alternative treatment that is more environmentally friendly but can still be used as medicine is needed, namely the use of natural ingredients such as jackfruit (A. heterophyllus) leaves. This study aims to determine the effect of crude jackfruit (A. heterophyllus) leaf extract on P. fluorescens bacteria in vitro. This study used an experimental method with a Completely Randomized Design (CRD) consisting of 5 treatments, 2 controls, and 3 replications. The control treatment consisted of a positive control (Tetracycline 30 ppm), and a negative control (only using disc paper), as well as 5 different extract dose treatments, namely treatment A (60 ppm), treatment B (120 ppm), treatment C (180 ppm), treatment D (240 ppm) and treatment E (300 ppm). The results of the study showed that the use of crude jackfruit (A. heterophyllus) leaf extract affected P. fluorescens bacteria. The relationship between the use of crude jackfruit (A. heterophyllus) leaf extract with different doses and the resulting inhibition zone showed a quadratic regression pattern with the equation y = -0.0001x2 + 0.05x + 6.327.
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.
Co-Authors Bagus Ansani Takwin DEDI JUSADI Desy Amalia Hidayati Fahtuhrohman, Adimas Bagus Fauzi, Arini Resti Julie Ekasari Laily, Anggita Noer Mia Setiawati Mulyani, Laily Fitriani Nilakandhi, Tania Rahmadani, Thoy Batun Citra Riyadi, Farid Mukhtar Suleman, Gabriella Augustine