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All Journal Lingua Didaktika: Jurnal Bahasa dan Pembelajaran Bahasa Jurnal Sosial Ekonomi Pertanian Jurnal Deformasi Jurnal Akuatika Indonesia Jurnal Ilmiah Peuradeun JFMR (Journal of Fisheries and Marine Research) JOURNAL OF CIVIL ENGINEERING, BUILDING AND TRANSPORTATION JURNAL PENDIDIKAN TAMBUSAI JATI (Jurnal Mahasiswa Teknik Informatika) 'Arabiyya: Jurnal Studi Bahasa Arab Jurnal Teknik Industri Terintegrasi (JUTIN) Abditeknika - Jurnal Pengabdian Kepada Masyarakat Silampari Journal Sport Jurnal Teknik Elektro Prosiding Konferensi Nasional PKM-CSR Journal Of Human And Education (JAHE) Indonesian Research Journal on Education Journal of Engineering Science and Technology Management Jurnal Manajemen Dakwah (J-MD) Sustainable Civil Building Management and Engineering Journal Jurnal Wicara Desa JES-TM Social and Community Service
M. Firdaus
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Journal : JFMR (Journal of Fisheries and Marine Research)

 1 
CHARACTERISTIC OF PROTEASE FROM CRUDE EXTRACT OF MARINE YEAST AND ITS ACTIVITY IN HYDROLIZING TRASH FISH PROTEIN Jaziri, Abdul Aziz; Sukoso, Mr.; Firdaus, M.
JFMR (Journal of Fisheries and Marine Research) Vol. 1 No. 2 (2017): JFMR
Publisher : Faculty of Fisheries and Marine Science, Brawijaya University, Malang, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jfmr.2017.001.02.5

Abstract

Marine yeast is uniceluller microorganism from group of fungi. Marine yeast was isolated from East Java Beach have potention of biotechnology in food section. Marine yeast as an agent in hydrolyzing trash fish protein to be able to increase nutrition value of amino acid. The researches of protease characteristic from marine yeast and its activity in hydrolizing protein are poorly demonstrated. Therefore, study on characteristic of protease from  marine yeast and its activity is important to overcome abundance of trash fish. The aim of this research  was to know protease characteristic of marine yeast and characteristic of trash fish protein hydrolysate. This study used exploration method. The result of this study were the protease characteristic from crude extraction of marine yeast showed that protein concentration value is 22.17 mg/L, protease activity is 21.50 mU/min/mL, Vmaks is 37.25 mmol/L/min and KM value is 2.3 × 103 mM. While the characterstic of trash fish protein hydrolysate is 22.35%, the total of amino acids is 1.32% and the molecular mass is 14.39 kDa. In addition, this study showed that protease activity from marine yeast extraction had low activity because protease extracted from marine yeast is crude extract. Keywords: marine yeast, protease, hydrolysis, trash fish protein
KARAKTERISTIK FISIKOKIMIA GELATIN KULIT IKAN AYAM-AYAM (Abaliste stellaris) DENGAN PRA-PERLAKUAN KONSENTRASI ASAM SITRAT Jazili, Abdul Aziz; Muyasyaroh, H.; Firdaus, M.
JFMR (Journal of Fisheries and Marine Research) Vol. 3 No. 2 (2019): JFMR
Publisher : Faculty of Fisheries and Marine Science, Brawijaya University, Malang, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jfmr.2019.003.02.8

Abstract

Gelatin merupakan protein berserat yang diperoleh melalui denaturasi parsial dari kolagen. Gelatin umumnya berasal dari kulit maupun tulang mamalia, seperti sapi dan babi. Namun, sumber gelatin tersebut beresiko terhadapat penyakit BSE dan FMD. Di sisi lain, bertentangan dengan aturan agama islam jika material gelatin didapatkan dari babi dan turunannya. Oleh karena itu,alternatif lain seperti dari limbah pengolahan ikan ayam-ayam yang berupa kulit berpotensi dieksplorasi karakteristik gelatinnya karena sangat sedikit sekali penelitian yang melaporkan gelatin dari kulit ikan ayam-ayam. Tujuan dari penelitian ini adalah mendapatkan karakteristik fisikokimia gelatin dari kulit ikan ayam-ayam (GKA). Metode yang digunakan adalah eksperimen dengan menggunakan rancangan acak lengkap (RAL), dengan pra-perlakuan perendaman asam sitrat (konsentrasi: 0,2 M; 0,4 M; dan 0,6 M). Hasil penelitian ini didapatkan bahwa  perbedaan pra-perlakuan pada ekstraksi gelatin dari kulit ikan ayam-ayam melalui perendaman asam sitrat dengan konsentrasi 0,2 M, 0,4 M, dan 0,6 M memberikan pengaruh nyata (P<0,05) pada nilai rendemen, viskositas, kekuatan gel, dan kadar lemak GKA. Sebaliknya, pra-perlakuan ekstraksi GKA dengan konsentrasi asam sitrat yang berbeda tidak memberikan pengaruh nyata (P>0,05) terhadap nilai pH, titik leleh, titik gel, kadar air, kadari protein, dan kadar abu. Sebagian besar karakteristik GKA memenuhi standar gelatin komersial, dan dapat dijadikan alternatif potensial sebagai gelatin halal.    
Co-Authors A.A. Ketut Agung Cahyawan W Abdul Aziz Jaziri, Abdul Aziz Abdul Hamid Adiguna Adiguna, Adiguna Adni, Nani Mazjiatul Adolf Bastian Afriyadi Ahab Mardianjah Amiwarti, Amiwarti Ashari, M. Fahmi AYU LESTARI Castrawijaya, Cecep Cholyubi Jusuf Elmustian, Elmustian Farooq, Hafiz Shuaib Firman Firman Gustriana, Etry Hadi Paramu Hengky Remora Herlinawati Herlinawati Herri Purwanto Hery Widijanto Ima Kusumanti Jazili, Abdul Aziz Jufrin Jufrin Khairunnisa, Arini Putri M. Al Muarif9 Maharani, Silky Sabella Mr. Sukoso, Mr. Mudi’ah, Nisrina Muliana, Lisma Rizka Muyasyaroh, H. Nur Istiqamah, Nur Nurhayati Nurhayati Pahrurozi Pranata, Agung Pratiwi, Maharrani Purnomo, Mareta Damayanti Raizul Amin Loa Mena Reffanda Kurniawan, Reffanda Rizal, Choirul Rizky, Ramanda Ruspiansyah Sari, Resy Kumala Setiobudi, Agus Sopian, Lalu Femi Ihsan Sri Andayani Sri Hardianti Suci - Lestari Suherman Suherman Sumianto Sumianto Supriatna, Edi Syahril Alzahri, Syahril Syahrul Ahmad Tanjung, Lailatul Syifa Urai Muhammad Esa Uyuni, Badrah Wibowo, Rachmad Satriyo Wiyoto Wiyoto, Wiyoto Yohannes Telaumbanua Yuanda, Rizwan Yuli Febrianti Yundari, Yundari