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Journal of Marine and Coastal Science
Published by Universitas Airlangga
ISSN : 23016159     EISSN : 25280678     DOI : http://dx.doi.org/10.20473/jmcs.v9i2.20064
Core Subject : Science, Agriculture, Social,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science Immunology & microbiology
The Journal of Marine and Coastal Science is a scientific journal that publishes articles related to marine science and coastal management, including seafood nutrition, marine microbiology, marine biotechnology, coastal management, and marine biodiversity research
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Perairan
Articles 5 Documents
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Search results for , issue "Vol. 11 No. 1 (2022): FEBRUARY" : 5 Documents clear
Critical Control Point (CCP) on Freezing Hairtail Fish (Trichiurus savala) in PT Pan Putra Samudra, Rembang, Central Java Muhammad Dzaky; Eka Saputra
Journal of Marine and Coastal Science Vol. 11 No. 1 (2022): FEBRUARY
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jmcs.v11i1.33823

Abstract

Hairtail fish (Trichiurus savala) is potential to have a rapid deterioration due to the high water and protein content in the body of the fish. One of the efforts to prevent or slow down the deterioration of layur fish is by freezing treatment. The freezing process also cannot be completely avoided from the emergence of potential hazards, therefore a way to prevent or suppress potential hazards is needed by applying the Critical Control Point (CCP). The descriptive method with data collection including primary and secondary data was used in this study. The freezing process of layur fish at PT Pan Putra Samudra starts from receiving, sorting, weighting, labelling, washing, wrapping with plastic and arranging in cartons, freezing, packaging, and frozen storage. The stages determined as CCP in the freezing of layur fish are in the sorting stage. At the sorting stage, quality checking is performed including organoleptic and microbiological tests. It also checks physical hazards such as hooks and nets. The sorting stage is determined as CCP because in the next stage it cannot prevent or reduce the potential danger that exists in fish. Fish that have gone through quality checking and exceeding the threshold will be put in a special fish reject basket.
Distribution of Eels (Anguilla sp.) in the Timang Tideng River, Alor Regency, NTT Lora Sisilia Malailehi; Ade Y.H Lukas; Priyo Santoso
Journal of Marine and Coastal Science Vol. 11 No. 1 (2022): FEBRUARY
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jmcs.v11i1.33824

Abstract

Eel (Anguilla sp.) is a fish that is classified as having a high economic value, with the level of distribution in almost all of Indonesia. The Timang Tideng River is one of the rivers located in the village of Kamaifui, Alor Regency, but until now, there has been no scientific report on the distribution of eel (Anguilla sp.) in the Timang Tideng River, Alor Regency, NTT. This study aims to determine the type and size of eel found in the Timang Tideng River. The research was conducted from March to April 2021 at three observation stations. Eel fishing is done at night considering its nocturnal nature. The fishing gear used is fishing rods and chicken stomachs as bait. Measurements of physical and chemical parameters of the waters were carried out simultaneously during the fishing process including temperature, pH, and current speed. The results showed that there were two types of eel in the Timang Tideng River, namely A. marmorata as many as 24 individuals and A. celebesensis as many as 1 individual. The eels found were in the yellow eel phase, with a total length range of 40-72 cm and a total weight ranging from 126-994 g.
The Effect of Giving Citric Acid with Different Concentration on The Level of Heavy Metal Lead (Pb) in Meat Green Mussel (Perna viridis) Ernawati Ernawati; Nina Nurmalia Dewi; Juni Triastuti
Journal of Marine and Coastal Science Vol. 11 No. 1 (2022): FEBRUARY
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jmcs.v11i1.33825

Abstract

Green mussel (Perna viridis) is a fishery food that is often consumed by the community because the price is relatively affordable. This animal has the potential to be used because it has a large population, but one of the problems in Indonesian waters, especially Kenjeran Beach, is that it contains Pb metal. Consuming green mussels with Pb levels will interfere with body health, so it is necessary to take action to reduce the Pb metal content in green mussels, one of which is using citric acid. The purpose of this study was to determine the effect of soaking green mussel meat in citric acid with different concentrations on the reduction of Pb heavy metal levels. This research is a laboratory experimental with a Completely Randomized Design (CRD) consisting of 4 different treatments of immersion concentration in citric acid (0 , 0.21 , 0.25 and 0.29 M). The results showed that the immersion of green mussel meat in citric acid with concentrations of 0.21 , 0.25 and 0.29 M had a significant effect on the reduction of heavy metal lead (Pb) after immersion in citric acid at a concentration of 0.29 M is 0.1120 ppm, 0.25 M is 0.1167 ppm and 0.21 M is 0.1160 ppm. Soaking green mussels in citric acid with different concentrations did not affect the yield value of green mussel meat.
Assessing Carrying Capacity of Marine Aquaculture in Pangkil Island, Bintan, Indonesia Dedy Kurniawan; Wahyudin Wahyudin; Dwi Septiani; Aidil Fadli Ilhamdy; Jumsurizal Jumsurizal; Aulia Rahman; Ulia Fahmi; T Ersti Yulikasari
Journal of Marine and Coastal Science Vol. 11 No. 1 (2022): FEBRUARY
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jmcs.v11i1.33826

Abstract

Pangkil is a small island in Indonesia with huge fisheries production where the majority of citizens' livelihoods are fisherman. The decline of fisheries catch production has led to aquaculture activity increasing year by year. Environmental conditions are the most important consideration for marine aquaculture sites. The aims of the present study are to estimation of the carrying capacity in Pangkil island water for marine aquaculture. The study was carried out in January 2020 at 30 locations. To describe the environmental condition, 30 samples were collected to analyse the physical, chemical, and biological parameters. To estimate the carrying capacity, suitability index was applied. The result showed that 57.13% of environmental conditions have very suitable for marine aquaculture (sea cage) in Pangkil Island, while 42.87% is only quite appropriate. Based on the result, Pangkil Island water has high potential for marine aquaculture in the future.
Antimicrobial Activity of Nanochitosan Shrimp Shell as a Hands Sanitizer Safrina Dyah Hardiningtyas; Dona Fradilla Bahri; Pipih Suptijah
Journal of Marine and Coastal Science Vol. 11 No. 1 (2022): FEBRUARY
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jmcs.v11i1.33821

Abstract

Chitosan is a biopolymer that can be extracted from crustaceans, such as shrimp shells. Chitosan is widely used in various fields, such as pharmaceuticals, food, and cosmetics because it is biodegradable, non-toxic, and has antibacterial activity. Nanochitosan is a dosage form based on nanotechnology which has more reactive properties. The purpose of this study was to characterize chitosan and nanochitosan and evaluate the effectiveness of nanochitosan as an antibacterial in hand sanitizer. The tests carried out included analysis of the functional group of chitosan with FTIR, particle size analysis with particle size analyzer, morphological analysis of nanochitosan with SEM, and analysis of the effectiveness of hand sanitizers. The test chitosan used had a degree of deacetylation of 85.94%. The particle size distribution of nanochitosan was 140.94 nm with a polydispersion intensity (PDI) of 0.5830. The results of the antibacterial effectiveness test of nanochitosan as a hand sanitizer showed that the higher the concentration of nanochitosan used, the total bacterial colonies would decrease. The concentration of 2000 ppm nanochitosan can reduce 93.4% of bacterial colonies on probandus hands, and this activity is known to be not significantly different from commercial hand sanitizers.

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