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All Journal JURNAL RISET DIWA BAHARI Jurnal Perikanan MARFIG: Journal of Fisheries and Marine Resource Management
Jawiana Saokani Sofyan
Institut Teknologi dan Bisnis Maritim Balik Diwa
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Immunology & microbiology

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EFFECT OF WASHING AND STORAGE METHODS ON THE QUALITY OF SEAWEED POWDER Ulva Sp. IN CV. LARS Arie Hijriyah; Tri Widayati Putri; Jawiana Saokani Sofyan; Zul Khairiyah
Journal of Fisheries and Marine Resource Management Volume 1, Issue 1, 2026
Publisher : Institut Teknologi dan Bisnis Maritim Balik Diwa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63249/marfig.v1i1.103

Abstract

Ulva sp. is a type of seaweed that has high potential as a sea vegetable with sufficient protein and economic value. This study aims to determine the effect of washing and storage methods on the quality of Ulva sp. powder in CV. Lars. The research was conducted using two washing methods (seawater and fresh water), two types of packaging (black plastic and aluminum foil), and storage time of 0, 15, and 30 days at room temperature. The parameters analyzed included moisture content, impurity content, color (CIELab model), and organoleptic test. The results show that washing with fresh water packaged in aluminum foil gives the best results in keeping moisture content low, maintaining its natural green color, and providing an acceptable taste and aroma. The average impurity level is below 1%, indicating that both washing methods are equally effective. The discoloration towards yellow occurs more often in washing using seawater. In conclusion, the combination of washing with fresh water and storage using aluminum foil packaging is the best treatment in maintaining the quality of Ulva sp powder. during storage
Penambahan Tepung Cangkang Kerang Simping (Placuna Placenta) Terhadap Peningkatan Kalsium, Fosfor dan Magnesium Pada Pakan Mutemainna Karim; Ardiansyah Ardiansyah; Jawiana Saokani Sofyan; Nursyahran Nursyahran
Jurnal Riset Diwa Bahari (JRDB) Volume 3, Issue 1, 2025
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LPPM) Institut Teknologi dan Bisnis Maritim Balik Diwa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63249/jrdb.v3i1.78

Abstract

This study aimed to evaluate the potential of scallop shell meal (Placuna placenta) as a natural mineral source to increase calcium (Ca), phosphorus (P), and magnesium (Mg) content in fish feed formulations. The study used an experimental design with four treatments of shell meal supplementation levels (0%, 10%, 20%, and 30%). Laboratory analysis showed that increasing the concentration of scallop shell meal significantly increased the levels of Ca and Mg in the feed, with the highest values being 92,656.67 µg/g and 2,006.03 µg/g, respectively, at the 30% treatment. Conversely, phosphorus levels decreased with increasing shell meal dosage. The results of the ANOVA test and Tukey's follow-up test showed significant differences (p<0.05) between treatments. This study proves that scallop shell meal can be used as an effective, inexpensive, and environmentally friendly natural mineral additive in fish feed, especially in supporting bone mineralization and energy metabolism
NUTRITIONAL ANALYSIS OF KOMO TUNJABI (Euthynnus affinis) SAMOSA FORTIFIED WITH SEAWEED Gracilaria sp. Jawiana Saokani Sofyan; Siti Atika Alwi; Harianti Harianti
Vol 15 No 1 (2025): JURNAL PERIKANAN
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jp.v15i1.1373

Abstract

Co-Authors Ardiansyah Ardiansyah Arie Hijriyah Harianti Harianti Mutemainna Karim Nursyahran, Nursyahran Siti Atika Alwi Tri Widayati Putri Zul Khairiyah