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All Journal Jurnal Pengelolaan Perairan International Journal of Science and Society (IJSOC)
Karim, Yusri
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Earth & Planetary Sciences Materials Science & Nanotechnology Social Sciences

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Nutrient Enrichment of Artemia salina Using the Bioencapsulation Method with Single Cell Protein Extract from Chlorella Vulgaris Saputra, Anugerah; Karim, Yusri; Zainuddin; Kuswanto, Hedi
International Journal of Science and Society Vol 7 No 1 (2025): International Journal of Science and Society (IJSOC)
Publisher : GoAcademica Research & Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54783/ijsoc.v7i1.1406

Abstract

Single Cell Protein (SCP) is a biotechnological product designed to enhance biomass or extract proteins and lipids from a given material. One of the methods to utilize single-cell protein is bioencapsulation. Bioencapsulation is a nutrient enrichment technique that involves adding specific substances to natural feed to improve its quality and quantity, thus enhancing its overall nutritional value. The single-cell protein used in this study is Chlorella vulgaris (C. vulgaris), while the bioencapsulation material or observed subject is Artemia salina (A. salina). This study aims to analyze the nutritional content based on the retention or absorption capacity of A. salina using the SCP bioencapsulation method from C. vulgaris and to determine the optimal SCP dosage for bioencapsulation in A. salina. The tested dosages in this study were 100 mg/L, 200 mg/L, 300 mg/L, and 0 mg/L (without SCP administration as a control). The results showed that the SCP retention value in A. salina was significantly different (P<0.05) across the tested dosage treatments. The highest retention value was observed at a dosage of 300 mg/L, with the highest retention of soluble protein and fat recorded at 85.65% and 0.27%, respectively. However, the overall results indicate that as the administered SCP dosage increases, the retention or absorption of SCP nutrients in A. salina also increases.
Kualitas Air Dan Kandungan Beberapa Logam Di Danau Unhas (Water Quality and Concentration of Metals in Lake Unhas) Yaqin, Khusnul; Karim, Yusri; Fachruddin, Liestiaty
Jurnal Pengelolaan Perairan Vol. 1 No. 1 (2018)
Publisher : Program Studi Manajemen Sumber Daya Perairan

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Abstract

Study on several metals in Lake Hasanuddin University (Unhas) has been conducted as a basis of management of the lake as an aquaculture activity. This study was performed by sampling of water, sediment and biota, such as fish.  The results revealed that the average of temperature 32.72 oC has exceeded the threshold of the quality standard.  The average of dissolved oxygen, ammonia, pH were 5.8 mg/l, 0.016 mg/l, and 7.72 respectively.  Consentrations of nitrate and phosphate were 0.39 and 0.28 mg / l, respectively. Concentrations of mercury (Hg), cadmium (Cd) and cobalts (Co) were not detected in water coloumn.  Arsenic (As) was detected in level that still allowed by the threshold of the quality standard.  Concentrations of chromium (Cr) and plumbum (Pb) have exceeded the threshold of the quality standard.  In sediment, Hg and As were not detected, but Cr was detected in level that not exceed the the threshold of the quality standard.  Conccentrations of Cd, Co and Pb detected exceed the threshold of the quality standard.  Silver barb (Barbonymus gonionotus) that live in the lake has been contaminated by As, Cd and Pb. Keywords: Lake Unhas, metals, aquaculture, Silver barb.
Co-Authors Fachruddin, Liestiaty KHUSNUL YAQIN Kuswanto, Hedi Saputra, Anugerah Zainuddin