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Profil asam lemak minyak dari jeroan ikan nila dan mas dengan rasio pelarut yang berbeda: Fatty acid profiles of fish oil from tilapia and carp with different solvent ratio Suseno, Sugeng Heri; Pari, Rizfi Fariz; Ibrahim, Bustami; Ramadhan, Rizki Tri Kurnia; Listiana, Desi; Nurjannah, Farah; Adha, As Syaffa Amalia
Jurnal Pengolahan Hasil Perikanan Indonesia Vol. 26 No. 3 (2023): Jurnal Pengolahan Hasil Perikanan Indonesia 26 (3)
Publisher : Department of Aquatic Product Technology IPB University in collaboration with Masyarakat Pengolahan Hasil Perikanan Indonesia (MPHPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17844/jphpi.v26i3.45781

Abstract

Extraction of fish oil from the by-products of tilapia and carp can be achieved using an appropriate extraction process. The purpose of this study was to determine the proportion of acetone and fish oil solvents in relation to the oxidation parameters, iodine number, and concentration profile of omega-3 fatty acids present in tilapia and goldfish oil. This study utilized a completely randomized design, in which the treatment ratios of acetone and oil solvent were varied as 3:1, 4:1, 5:1, 6:1, and 7:1 (v/v). The following parameters were examined: the chemical composition, free amino acids, acid value, peroxide value, p-anisidine, total oxidation, iodine value, and fatty acid profile.The omega-3 levels in tilapia and carp were 1.20% and 1.53%, respectively. An Iodine Number Test was employed to identify the most effective solvent treatment, revealing a 5:1 (v/v) ratio as the optimal solution. The increase in the value of omega-3 in tilapia oil amounted to 1.76%, whereas that in carp oil increased from 0.78% to 2.96%, resulting in an average increase of 2.31%.
Peningkatan stabilitas oksidatif minyak mata tuna dengan metode purifikasi dan penambahan natural astaxanthin (NAst) : Improvement of oxidative stability of tuna eyes oil by purification methods and natural astaxanthin (NAst) addition Nurmaida, Nurmaida; Ibrahim, Bustami; Trilaksani, Wini
Jurnal Pengolahan Hasil Perikanan Indonesia Vol. 27 No. 2 (2024): Jurnal Pengolahan Hasil Perikanan Indonesia 27(2)
Publisher : Department of Aquatic Product Technology IPB University in collaboration with Masyarakat Pengolahan Hasil Perikanan Indonesia (MPHPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17844/jphpi.v27i2.48961

Abstract

Minyak ikan merupakan sumber nutrisi asam lemak tak jenuh ganda, khususnya eicosapentaenoic acid (EPA, C20:5 n-3) dan docosahexaenoic acid (DHA, C22:6 n-3) yang bermanfaat bagi kesehatan manusia. Mata tuna mengandung DHA yang tinggi dan unggul, sehingga dapat diolah menjadi minyak mata tuna. Kekurangan minyak mata tuna adalah mudah mengalami kerusakan oksidatif. Astaxanthin sebagai pigmen karotenoid memiliki aktivitas antioksidan kuat dan menghambat peroksidasi lipid penyebab kerusakan oksidatif. Tujuan penelitian ini menentukan konsentrasi terbaik penambahan astaxanthin pada minyak mata tuna hasil permurnianPemurnian minyak mata tuna dilakukan melalui netralisasi dengan NaOH 16oBe, dilanjutkan dengan bleaching menggunakan magnesol 5%. Minyak mata tuna hasil pemurnian, dicampur dengan astaxanthin kulit udang pada konsentrasi berbeda, yaitu 0; 0,2: 0,4: dan 0,6%. Parameter yang dianalisis meliputi asam lemak bebas, bilangan peroksida, bilangan p-anisidin, dan total oksidasi. Hasil penelitian menunjukkan bahwa purifikasi dengan netralisasi NaOH 16oBe dan bleaching magnesol 5% memiliki nilai asam lemak bebas 0,33±0,08%, bilangan peroksida 4,12±0,82 meq/kg, p-Anisidin 2,83±0,22 meq/kg, dan total oksidasi 11,08±1,62 meq/kg. Astaxanthin memiliki nilai IC50 14,14 ppm. Perlakuan penambahan astaxanthin terbaik adalah konsentrasi 0,6% dengan nilai asam lemak bebas 1,03±0,05%, bilangan peroksida 8,08±0,14 meq/kg, bilangan p-Anisidin 9,12±0,02 meq/kg; dan total oksidasi 25,29±0,31 meq/kg terkecil selama 60 hari penyimpanan. Purifikasi dan penambahan natural astaxanthin mampu memperbaiki kualitas mutu dan stabilitas minyak mata tuna selama penyimpanan.
Kinerja membran karagenan-PVA sebagai anode baterai fleksibel: Performance of carrageenan-pva membrane as anode for flexible battery Ibrahim, Bustami; Sumaryanto, Heru; Sriarsy, Nailus; Santosa, Zacky Arivaie
Jurnal Pengolahan Hasil Perikanan Indonesia Vol. 27 No. 12 (2024): Jurnal Pengolahan Hasil Perikanan Indonesia 27(12)
Publisher : Department of Aquatic Product Technology IPB University in collaboration with Masyarakat Pengolahan Hasil Perikanan Indonesia (MPHPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17844/jphpi.v27i12.57204

Abstract

Energi listrik berperan penting dalam kehidupan manusia dan telah menjadi kebutuhan utama dalam aktivitas sehari-hari. Sumber energi listrik yang umum digunakan salah satunya adalah baterai, yang dikenal sebagai sumber energi yang fleksibel karena dapat dimanfaatkan di berbagai tempat dan situasi. Baterai mengandung berbagai bahan kimia yang berbahaya misalnya merkuri, mangan, timbel, nikel, litium, dan kadmium. Kebutuhan akan energi terbarukan dan teknologi penyimpanan yang ramah lingkungan sangat dibutuhkan untuk mengurangi dampak lingkungan. Penelitian ini bertujuan untuk menentukan rasio karagenan dan PVA terbaik berdasarkan kinerja membran karagenan-PVA sebagai anode organik dalam aplikasi baterai kertas. Metode yang digunakan meliputi persiapan membran dengan variasi rasio karagenan dan PVA, karakteristik membran, daya serap air, analisis gugus fungsi, kuat tarik, konduktivitas proton dan elektrisitas baterai kertas. Hasil penelitian menunjukkan bahwa membran dengan rasio 3:1 memberikan hasil terbaik dengan konduktivitas proton tertinggi sebesar 9,310-6 S/cm, daya serap air sebesar 93,91%, arus listrik tertinggi sebesar 0,008±0,001 mA, tegangan listrik tertinggi sebesar 0,24±0,02 V dan daya listrik tertinggi sebesar 0,0019±0,0004 mW. Hasil spektrum FTIR dari membran karagenan-PVA menunjukkan tidak terjadi reaksi kimia atau pembentukan gugus baru. Karagenan-PVA berpotensi menjadi bahan baterai fleksibel yang ramah lingkungan.
Pengaruh metode pengemasan ikan tongkol asap guna menghambat kemunduran mutu pada suhu ruang: Packaging method effect of smoked skipjack tuna to inhibit quality deterioration at room temperature Gustiningrum, Almalia Surya; Nurhayati, Tati; Ibrahim, Bustami
Jurnal Pengolahan Hasil Perikanan Indonesia Vol. 28 No. 3 (2025): Jurnal Pengolahan Hasil Perikanan Indonesia 28(3)
Publisher : Department of Aquatic Product Technology IPB University in collaboration with Masyarakat Pengolahan Hasil Perikanan Indonesia (MPHPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17844/jphpi.v28i3.61158

Abstract

Ikan asap merupakan salah satu produk olahan perikanan yang digemari karena rasanya khas dan aromanya yang sedap spesifik. Proses pengasapan menggunakan teknik konvensional memiliki umur simpan yang lebih pendek. Penjualan ikan asap tanpa pengemasan memungkinkan terpaparnya mikrob dan kapang kontaminan yang dapat memengaruhi mutunya. Pengemasan dengan metode modified atmosphere packaging (MAP) dan pengemasan plastik vakum merupakan upaya memperpanjang umur simpan dan mempertahankan mutu ikan asap. Tujuan penelitian ini, yaitu menentukan metode pengemasan dan lama waktu penyimpanan terbaik ikan tongkol (Euthynus affinis) asap yang disimpan pada suhu ruang. Metode eksperimen rancangan acak lengkap faktorial (RALF) dilakukan pada penelitian ini dengan variabel perlakuan metode pengemasan plastik nonvakum, vakum, dan MAP) serta lama waktu penyimpanan (hari ke-0, 1, 2, dan 3). Hasil uji mutu ikan asap yang diproduksi pada sentra pengasapan ikan bengkorok bakteri (Salmonella spp., S. aureus, E. coli) dan benzo[a]piren memenuhi standar SNI 2725:2013. Hasil analisis histamin pada setiap perlakuan selama penyimpanan sesuai standar SNI ikan asap, yaitu ≤100 mg/kg dengan nilai terendah pada metode pengemasan MAP, yaitu 52,32 mg/kg. Hasil analisis kimia dan mikrob pada pengemasan MAP dan plastik vakum hingga hari terakhir penyimpanan memenuhi standar SNI 2725:2013, kadar air < 60%, log total mikrob < 4,7 log CFU/g, dan log total kapang < 2 log CFU/g.
PENGARUH PENAMBAHAN TRIPSIN TERHADAP KARAKTERISTIK SURIMI IKAN NILA MERAH (Oreochromis niloticus) Nurhayati, Tati; Ibrahim, Bustami; Abdullah, Asadatun; Nurjanah; Pamungkas, Irama Dramawanti
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 14 No. 2 (2022): Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jitkt.v14i2.33622

Abstract

Ikan nila memiliki daging yang berwarna putih sehingga sangat baik digunakan dalam pembuatan surimi. Dari segi tekstur surimi ikan nila memiliki tekstur daging yang agak padat yang menjadikan hasil akhir kamabokonya agak keras. Oleh sebab itu, perlu dilakukan penambahan enzim pada surimi ikan nila sehingga mendapatkan tekstur kamaboko lebih lembut. Penelitian ini bertujuan untuk menganalisis karakteristik surimi ikan nila merah dengan penambahan enzim tripsin yang diekstrak dari usus ikan. Metode yang digunakan yaitu rancangan percobaan sederhana dengan penambahan enzim tripsin 0%, 1%, 2%, 3% dan 4%. Parameter yang diamati yaitu analisis proksimat, protein larut garam (PLG), pH, derajat putih, particle size analysis (PSA), texture profile analysis (TPA), water holding capacity (WHC) dan analisis sensori. Berdasarkan hasil analisis, penambahan enzim tripsin mampu meningkatkan karakteristik dari surimi ikan nila merah. Hal tersebut dapat dilihat dari hasil parameter yang diukur yaitu pada chewiness, hardness, gummines, uji lipat dan uji gigit yang menunjukkan bahwa tekstur dari surimi ikan nila menjadi lebih baik serta lebih lembut.
Characteristics of DHA-rich masked tuna eye oil and its application in fortified lokum formulation: Characteristics of DHA-rich masked tuna eye oil and its application in fortified lokum formulation Suseno, Sugeng Heri; Trilaksani, Wini; Santoso, Joko; Ibrahim, Bustami; Santosa, Zacky Arivaie
Jurnal Pengolahan Hasil Perikanan Indonesia Vol. 28 No. 12 (2025): Jurnal Pengolahan Hasil Perikanan Indonesia 28(12)
Publisher : Department of Aquatic Product Technology IPB University in collaboration with Masyarakat Pengolahan Hasil Perikanan Indonesia (MPHPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17844/01dy9s27

Abstract

Tuna eye oil is a source of omega-3 fatty acids, particularly docosahexaenoic acid (DHA); however, its application in food products remains limited because of its strong fishy odor and high susceptibility to oxidation. This study aimed to determine the most effective masking treatment for tuna eye oil to reduce fishy odor and improve oxidative stability and sensory acceptance in fortified lokum. The study was conducted in three stages: (1) extraction of tuna eye oil using centrifugation, (2) oil masking with lemon or ginger oil at concentrations of 12.5, 25, and 37.5%, and (3) formulation of fortified lokum using the selected masked oil. The extracted oil exhibited a free fatty acid (FFA) content of 0.42%, peroxide value (PV) of 7.44 meq/kg, anisidine value (AnV) of 9.98 meq/kg, and total oxidation (TOTOX) value of 24.84 meq/kg. Masking with lemon oil or ginger oil at 37.5% reduced oxidation parameters (FFA 0.12–0.28%; PV 4.49–6.61 meq/kg; p-AnV 3.08–3.75 meq/kg; TOTOX 12.06–16.96 meq/kg), enhanced antioxidant activity (IC₅₀ 140.76–166.41), and preserved the fatty acid profile, with DHA accounting for 29–30% of the total fatty acids. Fortification of lokum with masked tuna eye oil increased fat, EPA, and DHA levels, accompanied by measurable reductions in hardness and chewiness. Overall, masking tuna eye oil with 37.5 % %lemon and ginger oils effectively improved oxidative stability, with lemon oil showing the most balanced performance in terms of oxidation parameters, antioxidant activity, and sensory acceptance of fortified lokum.
Synthesis of Chitosan and Ulva sp.-Based Hydrogel Beads as Bioadsorbents for Heavy Metal Removal of Pb and Cd Dyah Safrina Hardiningtyas; Faza Maulida; Bustami Ibrahim
Journal of Marine and Coastal Science Vol. 15 No. 2 (2026): JUNE
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jmcs.v15i2.90198

Abstract

Water pollution remains a critical global concern, with heavy metals such as lead (Pb) and cadmium (Cd) posing serious health and environmental risks. Adsorption using biobased materials has emerged as a sustainable solution for mitigating heavy metal contamination in water. Among various bioadsorbents, chitosan and seaweed (Ulva sp.) are notable for their abundance, environmental friendliness, and effectiveness in removing toxic metals. While chitosan and Ulva have been studied individually for their adsorption properties, research on their combined use in hydrogel beads is limited, especially when their compositional ratios are systematically varied. The present study seeks to address this gap by evaluating how the incorporation and proportion of Ulva affect the structural, functional, and adsorptive properties of chitosan-based hydrogel beads, with a specific focus on the simultaneous removal of Pb and Cd from water. Hydrogel beads were synthesized with different chitosan-to-Ulva ratios (U1 [1:0], U2 [1:0.1], and U3 [1:0.5]) and characterized for swelling behavior, gel fraction, and heavy metal adsorption capacity. Results show that adding Ulva to the chitosan matrix significantly enhances the bioadsorbent’s performance, especially at the highest tested ratio (U3), which achieved an average bead diameter of 3.7 ± 0.01 mm, high swelling, and stable gel fraction. Most importantly, U3 beads demonstrated superior removal efficiencies for both Pb and Cd, highlighting the synergistic effect of combining chitosan and Ulva. These findings suggest that chitosan–Ulva hydrogel beads are promising, eco-friendly bioadsorbents for remediating heavy metal-contaminated water and could play an important role in sustainable water treatment technologies.
Improvement of Microbial Fuel Cell Electricity Generating with Bacterial Isolate Implementation on Electrode in Liquid Waste of Pindang Fish Processing improvement of Microbial Fuel Cell Electricity Generating with Bacterial Isolate Implementation on Electrode in Liquid Waste of Pindang Fish Processing Bustami Ibrahim; Desniar; Rofi Muyassar
Journal of Clean Technology Vol. 3 No. 1 (2026): February 2026
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/joct.v3i1.34690

Abstract

Abstract Microbial Fuel Cells (MFC) can generate electricity from organic substances which is converted to simply chemical component to discharge protons and electrons by microbial activity. Microbial Fuel Cell (MFC) is a technology that produces environmentally friendly energy because MFC in its use does not produce CO2 emissions.   Bacteria that is able to generate electricity grouped as exoelectrogen bacteria. Two kinds of bacteria has isolated from operating MFC with activated sludge need to find its performs which are Pediococcus acidilactici and Staphylococcus warneri. This study aims to determine the influence of sticking bacteria (Pediococcus acidilactici and Staphylococcus warneri) on electrode plates and the addition of activated sludge to increased electricity of MFC, reduce pollutant load from salt-boiled fish processing wastewater, and microbial density in electrode plates. This study has five stages, namely, bacterial cultivation, bacterial sticking on electrodes surface, activated sludge  acclimatization, MFC assembly, and electrical measurement. This study used four treatments namely, electrodes that bacteria do not attach with and without added activated sludge (KoL and Ko), electrodes attached with bacterial isolates (anodes with Pediococcus acidilactici and cathode with Staphylococcus warneri) with and without active sludge (AKL and AK). AKL treatment obtained the highest average electrity value with a voltage value of 0.31±0.02 V, an electric current value of 3.28±0.66 mA, and a power value of 1.15±0.25 mW. Pollutant loads in COD, BOD, and TAN parameters decreased by 57%, 38%, and 92%. The sticking bacteria on the electrodes surface with activated sludge added was able to increase the density of bacteria on the electrode plate.
Studi Karakteristik Mekanik dan Konduktivitas Ionik Batere Fleksibel Berbasis Membran Komposit Karaginan-PVA dengan Doping Silikon Dioksida (SiO2) Bustami Ibrahim; Wahyu Ramadhan; Theresia Limbong; Zacky Arivaie Santosa
Jurnal Teknologi Kimia Unimal Vol. 15 No. 1 (2026): Jurnal Teknologi Kimia Unimal - May 2026
Publisher : Chemical Engineering Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/jtku.v15i1.26750

Abstract

AbstrakKemajuan teknologi di era digitalisasi telah mendorong kebutuhan baterai sebagai perangkat penyimpan energi. Baterai memiliki peran dalam menyediakan sumber daya untuk berbagai aplikasi pada perangkat elektronik yang semakin kompleks. Baterai konvensional cenderung memiliki dampak negatif bagi lingkungan karena menggunakan polimer sintesis yang tidak ramah lingkungan, seperti polietilen dan poliopropilen, serta menghasilkan limbah bahan, beracun, dan berbahaya (B3). Selain itu, baterai umumnya mengandung bahan kimia berbahaya seperti merkuri, mangan, timbel, nikel, litium, dan kadmium. Inovasi akan energi terbarukan dan teknologi terbarukan diperlukan untuk mengurangi kerusakan lingkungan. Penelitian ini bertujuan untuk menganalisis pengaruh penambahan silikon dioksida dengan menentukan rasio yang terbaik terhadap peningkatan elektrisitas serta kinerja baterai fleksibel berbasis karaginan-PVA. Metode yang digunakan meliputi persiapan membran dengan rasio yang bervariasi, karakteristik membran, analisis elektrisitas, analisis gugus fungsi FTIR, water uptake, konduktivitas proton, dan kuat tarik baterai fleksibel. Hasil analisis FTIR menunjukkan bahwa interaksi antar komponen bersifat fisik tanpa pembentukan gugus fungsi baru. Penambahan silikon dioksida tidak memberikan pengaruh signifikan pada seluruh parameter, akan tetapi dapat berperan dalam menjaga stabilitas mekanik dan konduktivitas ionik. Performa elektrik terbaik menghasilkan tegangan 0,25 V, arus 0,025 A, dan daya 5,7 mW. Karakteristik membran menunjukkan nilai water uptake tertinggi 56,8%, konduktivitas proton 8,81 x 10⁻⁶ S/cm, serta kuat tarik 5,39 MPa. Kombinasi rasio material yang seimbang menghasilkan membran baterai fleksibel dengan stabilitas struktural yang baik.AbstractTechnological progress in the digital era has increased the demand for batteries as energy-storage devices. Batteries play a key role in supplying power for increasingly complex electronic applications. Conventional batteries tend to have adverse environmental impacts because they rely on non-biodegradable synthetic polymers such as polyethylene and polypropylene and generate toxic and hazardous waste. They also commonly contain hazardous chemicals including mercury, manganese, lead, nickel, lithium, and cadmium. Innovation in renewable energy and sustainable technology is therefore needed to reduce environmental damage. This study analyses the effect of adding silicon dioxide and determines the optimum ratio for improving the electrical performance of carrageenan–PVA-based flexible batteries. The methods comprised membrane preparation at varying ratios, membrane characterisation, electrical analysis, FTIR functional-group analysis, water uptake, proton conductivity, and tensile strength testing. FTIR analysis showed that the interaction between components was physical, with no new functional groups formed. The addition of silicon dioxide did not significantly affect any parameter, but it contributed to maintaining mechanical stability and ionic conductivity. The best electrical performance produced a voltage of 0.25 V, a current of 0.025 A, and a power output of 5.7 mW. Membrane characterisation showed a maximum water uptake of 56.8%, a proton conductivity of 8.81 × 10⁻⁶ S/cm, and a tensile strength of 5.39 MPa. A balanced combination of material ratios produced a flexible battery membrane with good structural stability.
Co-Authors . Heriyanto . Prantommy . Uju . Uju Ade Komalasari Suhendar Adenia Cahyatie Aprillia Adha, As Syaffa Amalia Agus Muhamad Soleh Ahmad Zahid Aldo Reshwara Alvi Nur Yudistira Alvindo Chrisna Mukti Anna C. Erungan Arumsari, Theresia Puspita Asadatun Abdullah Aulia Andhikawati Bagus Sukma Agung Dadi Rochnadi Sukarsa DENNY SYAPUTRA Desniar - - Dewi Mutamimah Ella - Salamah Ernawati Ernawati ETI KURNIAWATI Farell Pramuja Faza Maulida Giri Rohmad Barokah Gustiningrum, Almalia Surya Henggu, Krisman Umbu Heru Sumaryanto Hijrah Amin Hirda Umayyah I Dewa Made Subrata Iffani Nabila Zain Iriani Setyaningsih Irma Irma Jannah, Arum Jayanti, Feby Dwi Joko Santoso Kurniawan, Farhan Kustiariyah Tarman Laode Muhamad Hazairin Nadia Linda Aryanti Listiana, Desi Maglory Siburian Mandela, Risco Mohammad Haryst Daryaly Muhamad Reza Fahlepi Muhammad Zaki Dama Nazihah, Nilna Tsabita Ninik Purbosari NONI DWI SARI Nur Shasqia Malewa Nurhaliza, Ghefira Nurjanah Nurjannah, Farah Nurmaida Nurmaida, Nurmaida Nurul - Hak Pamungkas, Irama Dramawanti Patmawati Patmawati Pipih Suptija Pipih Suptijah Pramesti, Nabilla Adhiany Prapti Pratiwi, Widya PUTUT TJAHYO WIDODO Ramadhan, Rahmat Agung Ramadhan, Rizki Tri Kurnia Ravellino Fahlepi Reni Lobo Ridho Orilda Rizfi Fariz Pari Rofi Muyassar Rudy Nistibaskara Safrina Dyah Hardiningtyas Santosa, Zacky Arivaie Setyarini, Dian Shabrina Itsnaini Oktafira Sita Permata Sari Slamet Hermanto Sriarsy, Nailus Steffen Sugeng Heri Suseno Swastikawati, Ayu Setiti syeila - rosmalawati TATI NURHAYATI Theresia Limbong Uju Uju Uju Uju Uju Uju Untung Sudadi Wahyu Ramadhan Wini - Trilaksani Yanti, Mudji Ana Yogaswara, Ghema Yulia Oktavia YULYA FITRIA Zacky Arivaie Santosa Zhalindri Noor Adjani