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Ginanjar Pratama
Jurusan Perikanan, Fakultas Pertanian, Universitas Sultan Ageng Tirtayasa, Serang, 42122, Indonesia
Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences Environmental Science

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Efektivitas Pemanenan Mikroalga (Spirulina platensis) dengan Metode Elektrokoagulasi menggunakan Tegangan yang Berbeda Aidil Fadli Ilhamdy; Ginanjar Pratama; Jumsurizal Jumsurizal; Raja Marwita Sari Putri; Darma Saputra
Jurnal Sumberdaya Akuatik Indopasifik Vol 5 No 4 (2021): November
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46252/jsai-fpik-unipa.2021.Vol.5.No.4.183

Abstract

Research on laboratory scale Spirulina platensis cultivation in Indonesia has developed quite a lot, however, several obstacles occur at harvest time, ranging from high prices and a very long time. Therefore this study aims to determine the effectiveness of the use of electrocoagulation in harvesting S. platensis using different voltage. The research phase included microalgae cultivation, electrocoagulation process, and harvesting of S. platensis, then continued with an analysis of biomass S. platensis, proximate composition, and water quality (pH, temperature, and Ferro (Fe) content). The treatment of electrocoagulation method harvesting of microalgae with voltages 0, 5, 10, and 15 volts (F0, F1, F2, and F3, respectively) were applied in this study. The best biomass harvested with electrocoagulation from F3 treatment was 6.05 gr/L. The proximate content of S. platensis with F0, F1, F2, and F3 treatments were moisture 24.58%, 12.32%, 15.36%, 17.8%, ash 26.56%, 22.42%, 26.53%, 34.99%, protein 34.24%, 30.26%, 25.81%, 21.67%, fat 1.27%, 0.86%, 1.65%, 0.65%, and carbohydrate 13.35%, 34.15%, 30.66%, 25.22%, respectively. The water quality result showed with, F0, F1, F2, and F3 treatments were pH 7, 7, 9, 8, temperature 32°C, 32°C, 32°C, 34°C, Ferro (Fe) 0.1 mg/L, 8.01 mg/L, 12.58 mg/L, 12.29 mg/L, respectively. The best treatment with electrocoagulation method harvesting was F3.
Karakteristik Produk Tradisional Ikan Tongkol Asap dari Kabupaten Natuna, Kabupaten Bintan dan Kota Tanjungpinang, Provinsi Kepulauan Riau Aidil Fadli Ilhamdy; Ismael Marasabessy; Raja Marwita Sari Putri; Lily Viruly; Yulia Oktavia; Ersti Yulika Sari; Jumsurizal Jumsurizal; Tetty Tetty; Ginanjar Pratama
Jurnal Sumberdaya Akuatik Indopasifik Vol 6 No 4 (2022): November
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46252/jsai-fpik-unipa.2022.Vol.6.No.4.200

Abstract

One of the typical traditional products from the Riau Islands is “ikan tongkol asap”. These products are spread in several cities and regencies in the Riau Islands Province. Some areas that are famous for producing “ikan tongkol asap” traditionally are Natuna Regency, Bintan Regency and Tanjungpinang City. This study aims to determine the characteristics of “ikan tongkol asap” products based on the type of fish used, chemical composition, and organoleptic assessment. The research was conducted descriptively by taking samples of “ikan tongkol asap” products from several entrepreneurs on Bintan Island (Bintan and Tanjungpinang) and Bunguran Island (Natuna). The research stages were carried out by identifying the fish raw materials used for “ikan tongkol asap” products, morphometric analysis, organoleptic/sensory analysis, and proximate analysis of the product. In this study, it was found that the raw materials used for smoked fish were Thunnus tonggol, Auxis thazard, Euthynnus affinis, and Katsuwonus pelamis. Morphometrically, the fish used were 43.50-46.25 cm in length, and 1.25-1.85 kg in weight. In the sensory analysis with the parameters of appearance, aroma, taste, and texture, the overall products from the three regions were not significantly different. Based on the proximate analysis, each smoked fish product has its own value from each region with crude protein values ​​ranging from 34.04-45.28%. The sensory and proximate are in accordance with the SNI 2723:2013, except for the moisture content of "ikan tongkol asap" E. affinis from Tanjungpinang City and T. tonggol from Bintan Regency.
Co-Authors Darma Saputra Jumsurizal Jumsurizal Lily Viruly Marasabessy, Ismael R. Marwita Sari Putri T. Ersti Yulika Sari Tetty Tetty Yulia Oktavia