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All Journal Journal of Marine Research Jurnal Akuatika Indonesia Acta Aquatica: Aquatic Sciences Journal Jurnal Aplikasi Teknologi Pangan Aquasains : Jurnal Ilmu Perikanan dan Sumberdaya Perairan Jurnal Ilmu Kelautan Kepulauan PENA AKUATIKA : JURNAL ILMIAH PERIKANAN DAN KELAUTAN MALLOMO: Journal of Community Service
Setyastuti, Aryanti Indah
Fisheries Science, Faculty Of Science And Technology, Nahdlatul Ulama University Of Purwokerto
Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Earth & Planetary Sciences Energy Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Social Sciences Other

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Antioxidant activity of corncob liquid smoke and traditional to smoked milkfish (Chanos chanos Forsk) during frozen storage Setyastuti, Aryanti Indah; Ayu, Rr. Nurina; Sarmin, Sarmin
Acta Aquatica: Aquatic Sciences Journal Acta Aquatica: Jurnal Ilmu Perairan, Vol. 9: No. 3 (December, 2022)
Publisher : Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/aa.v9i3.8778

Abstract

Smoking is the one of the efforts to maintain the quality of smoked fish. Phenol compounds in smoke can act as natural antioxidants to inhibit the lipid oxidation. Milkfish has a high lipid content after protein, that can undergo lipid oxidation during processing and storage. The aim of this study was to observe the effect of antioxidant activity on different smoking methods and storage time for 28 days at freezing temperature on the quality of smoked milkfish. Corn cob liquid smoke was used due to phenol content as an antioxidant. The design used in this study was a factorial completely randomized design which consisted of two factors. The first factor is the difference in smoking methods, corncob liquid smoke (Ac) and Traditional (Tr). While the second factor is the length of storage on day 0 (T0); day 14 (T14) and day 28 (T28). The test parameters observed were analysis of phenol content; PV; TBA; lipid content; and pH. The results of this study showed that different smoking methods and storage time at freezing temperature showed significant differences (P<0.05) on the phenol value; PV; TBA; lipid value; and pH of smoked milkfish. During storage, phenol value; lipid; and pH of smoked milkfish decreased. Meanwhile, the value of PV and TBA increased as a result of the lipid oxidation process so as to produce peroxide from detheorized fat. The PV and TBA values of smoked milkfish are still acceptable by consumers.Keywords: Antioxidant acticvity; Corncob liquid smoke; Milkfish; Traditional
Specific Growth Rate (SGR), Feed Conversion Ratio (FCR), and Survival Rate (SR) of Nile tilapia (Oreochromis niloticus) fed probiotics (Probio-7) with different concentrations sarmin, Sarmin; Setyastuti, Aryanti Indah; Yudistira, Denny indra; Prasetyo, Dwi Yanuar Budi
Acta Aquatica: Aquatic Sciences Journal Acta Aquatica, Vol. 12: No. 3 (December, 2025)
Publisher : Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/aa.v12i3.21970

Abstract

This study aims to examine the effect of probiotic (Probio-7) supplementation on the Specific Growth Rate (SGR), Feed Conversion Ratio (FCR), and Survival Rate (SR) of Nile tilapia (Oreochromis niloticus). The research was conducted from January to March 2025 at the UNU Purwokerto Laboratory. An experimental method was used with a completely randomized design (CRD), consisting of 4 treatments and 3 replications. The treatments were: P1 (feed without probiotics), P2 (feed with 8 ml/kg probiotic), P3 (feed with 10 ml/kg probiotic), and P4 (feed with 12 ml/kg probiotic). The fish used were Nile tilapia (Oreochromis niloticus) with an average length of 6.53±0.35 cm and an average weight of 2.28±0.02 g. Feed was given at 08:00 and 16:00 until satiation. Stocking density was 15 fish per container filled with 15 liters of water, and the maintenance lasted for 30 days. The feed used was commercial pellet feed supplemented with probiotics according to the treatment, containing 32% protein. The results showed that the addition of probiotics (Probio-7) had a significant effect (P<0.05) on Specific Growth Rate (SGR), Feed Conversion Ratio (FCR), and Survival Rate (SR). Treatment P4 had the highest SGR value of 2.08±0.03 g, the lowest FCR of 0.33±0.02, and the highest Survival Rate (SR) of 84±7%. Keywords: Feed Conversion Ratio; Tilapia; Probiotics; Survival Rate
Co-Authors Ags, Dwi Apriliani Any Kurniawati Any Kurniawati Any Kurniawati, Any Aulia Andhikawati Ayu, Nurina Ayu, Rr. Nurina Dewi Kresnasari Dewi Kresnasari Dewi Kresnasari Dwi Apriliani AGS Dwi Apriliani AGS, Dwi Fronthea Swastawati Gunawan Wibisono Kresnasari, Dewi M. Fajrun Najjah Al Fatich Nurina Ayu Prasetyo, Dwi Yanuar Budi Rahayu, Nur Laila Sarmin Sarmin Sarmin Sarmin Sarmin Sarmin Tri Winarni Agustini Y.S. Darmanto Yudhomenggolo Sastro Darmanto Yudistira, Denny indra