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All Journal Jurnal Akuakultur Sungai dan Danau JOURNAL OF INDONESIAN TROPICAL FISHERIES (JOINT-FISH) : Jurnal Akuakultur, Teknologi Dan Manajemen Perikanan Tangkap, Ilmu Kelautan
Wica Elvina
Universitas Prof. Dr. Hazairin, SH
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Social Sciences Other

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Pemanfaatan Limbah Sisik Ikan Nila dan Ikan Kakap Merah sebagai Kitosan Risnita Tri Utami; Wica Elvina; Dedi Pardiansyah; Yulfiperius Yulfiperius
Jurnal Akuakultur Sungai dan Danau Vol 8, No 2 (2023): Oktober
Publisher : Universitas Batangahari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/akuakultur.v8i2.176

Abstract

Fish scales are leftover fishery products that are not utilized optimally. Fish scales contain chemical compounds such as organic protein, namely chitin, which is a derivative of chitosan. Chitosan can be used in various sectors such as the food industry, health, agricultural and cosmetics. This study aims to extract chitosan from the scales of farmed and marine fish, as well as to determine the ratio of the yield of chitosan to types of marine fish and cultivated fish. This research was conducted from July to August 2023. The fish scale samples used were tilapia (cultivated fish) and snapper (sea-caught fish) obtained from the Traditional Market and Fish Auction Place in Bengkulu City. The process of making chitosan is carried out in the Laboratory of the Faculty of Agriculture, Prof. Dr. Hazairin, SH University. The process of extracting chitosan from fish scales goes through three stages, namely deproteination, demineralization and deacetylation. The results showed that the water, ash and protein content of fish scales were different, namely tilapia (19.05%; 20.15%; 53.01%) and snapper. (10.78%; 43.54%; 28.49). Results of Tilapia Chitosan. (13.22%) and snapper (7.74%). Several chitosan characteristics such as color, shape and odor meet commercial chitosan standards.
STUDI KERAPATAN DAN PENUTUPAN JENIS LAMUN DI PERAIRAN ENGGANO, BENGKULU Risnita Tri Utami; Wica Elvina; Yulfiperius Yulfiperius; Ayub Sugara; Ari Anggoro; Teddy Triandiza; La Ode Abdul Fajar Hasidu
JURNAL AKUAKULTUR, TEKNOLOGI DAN MANAJEMEN PERIKANAN TANGKAP, ILMU KELAUTAN Vol 6 No 2 (2023): JOINT-FISH - Jurnal Akuakultur, Teknologi Dan Manajemen Perikanan Tangkap, Ilmu K
Publisher : Fakultas Perikanan dan Ilmu Kelautan Universitas Muslim Indonesia Makassar, Sulawesi Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33096/joint-fish.v6i2.263

Abstract

Seagrass has an important role in coastal ecosystems. Seagrass is a primary producer and constituent of habitats and ecosystems that support life on coral reefs and mangroves or coastal land The distribution of seagrass in Indonesia is quite extensive, covering almost all water areas in Indonesia. Information regarding the distribution of seagrass in the waters of Enggano Island is still limited, so a study is needed to provide information regarding the distribution of seagrass in this area. This study aims to identify the types of seagrass and variations in their density and cover on Enggano Island, Bengkulu. This research was conducted in March 2022 in Kaana Village, Enggano, Bengkulu. Seagrass data collection method using purposive sampling method. Sampling was carried out at four stations, where each station was repeated three times. Seagrass was identified at the research location; its density and closure were calculated. Measurement of water quality is done in situ. The results of this study indicate that three species of seagrass were found, namely Enhalus acoroides, Cymodocea rotundata and Halodule uninervis. However, the types of C. rotundata and H. Uninervis were scattered in all research stations. The highest cover was found at station 1 with 86% cover while the lowest cover was found at station 3 with 16% cover. There are variations in composition and density at each research station, this shows that there is environmental influence and there is not an even distribution of seagrass in the area
Co-Authors Ari Anggoro Ayub Sugara Dedi Pardiansyah Hasidu, La Ode Abdul Fajar Risnita Tri Utami Teddy Triandiza Yulfiperius, Yulfiperius