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All Journal AGRICOLA Akuatikisle: Jurnal Akuakultur, Pesisir dan Pulau-Pulau Kecil
Susilowati, Aryanti
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Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences Immunology & microbiology Veterinary

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Kondisi Kualitas Air Perairan Punagayya Dalam Menunjang Keberlanjutan Budidaya Rumput Laut (Kappaphycus alvarezii) Mulyawan, Ardi Eko; Hafid, Hasriyani; Hidayani, Mesalina Tri; Susilowati, Aryanti
AGRICOLA Vol 11 No 1 (2021): AGRICOLA
Publisher : Universitas Musamus, Merauke, Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35724/ag.v11i1.3594

Abstract

Punagaya waters are one of the seaweed cultivation locations in Jeneponto Regency. In 2005, a power plant was built at that location. This development has raised concerns, especially for seaweed farmers in the area. The sustainability of seaweed cultivation and production in Punagaya waters is primarily determined by the water quality and several other related aspects. The purpose of this study was to find information on the physical and chemical conditions of Punagaya waters used for seaweed cultivation after the construction of the power plant (PLTU) and the possibility of contamination of Plumbum (Pb) and Cadmium (Cd). Samples for physical and chemical measurements of seawater were carried out in-situ at the study site, while the chemical analysis of water in the form of nitrate, phosphate, plumbum (Pb) and cadmium (Cd) was carried out in the laboratory. The results showed that the physical and chemical conditions of the Punagaya waters used for seaweed cultivation after the PLTU construction were still within the permissible limits for seaweed cultivation. However, it needs to be aware of the high-temperature value. The value of heavy metals is still in the lower limit for cultivation for seaweed.
Shelf-life analysis of lawa mairo frozen as tradisional food from South Sulawesi Rasmini, Rasmini; Susilowati, Aryanti; Khairiyah, Zul
Akuatikisle: Jurnal Akuakultur, Pesisir dan Pulau-Pulau Kecil Vol 8, No 1 (2024)
Publisher : Sangia Research Media and Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29239/j.akuatikisle.8.1.43-47

Abstract

This study aims to determine the frozen shelf life of Lawa’ Mairo by analyzing the total plate number. This research was carried out in June 2022, the manufacture and testing of Lawa 'Mairo was carried out at the Laboratory of the Fishery Product Quality Application Center, Makassar, South Sulawesi. This research is classified as quantitative research with experimental method, with four treatments (storage time). Three lengths of frozen storage, namely 1 day, 3 days, and 5 days, as well as 0 days as control (fresh lawa' mairo). Data analysis used the t test to see the effect of storage time on microbial growth and the effect of sensory values on treatment. The results of this study indicate that the shelf life of frozen lawa' mairo from ALT testing that has been carried out is classified as safe for consumption. Lawa’ mairo can last as long as in cold or frozen conditions. Based on the t test, the storage time was declared to have a significant effect on microbial growth in frozen lawa' mairo products. The results of the sensory test on the hedonic scale showed that the panelists' preference level was highest on fresh lawa' mairo (0 days storage). Based on the panelists' assessment of frozen lawa' mairo, there was a change in taste due to an oxidation process during the storage period. Based on the t test performed, it is stated that it has a significant effect between the sensory values of the hedonic scale on the storage time (p<0.05).
Co-Authors Abbas, Bismirahma Ardi Eko Mulyawan Hafid, Hasriyani Hidayani, Mesalina Tri Khairiyah, Zul Putri, Tri Widayati Rasmini, Rasmini