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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 115 Documents
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Characteristics and Shelf Life of Pedada Fruit Leather (Sonneratia caseolaris) With the Addition of Sorbitol and Kappaphycus alvarezii Iftitah, Khairaniyatul; Saputra, Eka; Yuli Pujiastuti, Dwi
Journal of Marine and Coastal Science Vol. 14 No. 1 (2025): FEBRUARY
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jmcs.v14i1.57330

Abstract

Fruit leather is a traditional product from Turkey. Kappaphycus alvarezii and sorbitol in making fruit leather are needed to maintain the texture of the product during storage. Sorbitol has a hydrophilic -OH group that is able to bind water (humectant) andK. alvarezii can improve texture and the quality of fruit leather. This study was conducted to determine the effect of sorbitol andK. alvarezii addition on fruit leather characteristics and shelf life of pedada fruit leather products. This study used five treatments and three repetitions. The research parameters include the number of bacterial colonies using the Total Plate Count (TPC) method, nutritional content test, and organoleptic (sensory) test. Data analysis in this study used ANOVA one factor and Duncan's Multiple Range Test (DMRT) for quantitative data and Kruskal-Wallis test for qualitative data. The results showed that the samples with the number of bacterial colonies that met SNI 7388-2009 standards were only samples before treatment, 1 week, 2 weeks and 3 weeks of storage. The moisture content of each treatment met the standard of <25%. The results of panelist assessment showed that the shelf life of fruit leather products did not significantly affect (p>0.05) the organoleptic test aspects tested such as appearance, aroma, taste, and texture.
Analysis of Chromium (Cr) Heavy Metal Content in Sediments and Mangrove Roots Avicennia marina in the Wonorejo Mangrove Ecosystem Area Surabaya garin pratama, choirul; Prayogo, Prayogo; Isroni, Wahyu
Journal of Marine and Coastal Science Vol. 14 No. 1 (2025): FEBRUARY
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jmcs.v14i1.61755

Abstract

The mangrove area in Wonorejo is quite large and water sources from various areas have the potential to be sources of chromium. One of the mangrove species in this area is Avicennia marina. Avicennia marina plays an important role in reducing pollution. Based on this, a study was conducted to analyze the chromium content in sediment and roots of mangrove A. marina in the Wonorejo area. This study was descriptive with the stages of exploration, observation, and analysis, namely exploring and observing A. marina, taking samples in the field and analyzing samples in the laboratory. The subjects of this study were the roots and sediments of A. marina taken from two stations with three different points by determining the location using purposive random sampling. The chromium levels in the roots and sediments were tested using the Atomic Absorption Spectrophotometer (AAS) method. The data on Cr levels in roots and sediments were analyzed using quantitative descriptive statistics and analyzing the quality of sediments and roots of A. marina in the mangrove ecosystem with safe limit values. The results of this study are: 1) The Cr content in the sediment in the Jagir River was the highest at 1 mg/kg, while in the Afur River the highest was 0.82 mg/kg, 2) The Cr content in the roots of A. marina in the Jagir River is the highest at 2.8 mg/kg, while in the Afur River the highest is 2.5 mg/kg, and 3) The Cr content in the sediment has exceeded the safe threshold of 2.5 mg/kg and the Cr content in the roots has also exceeded the safe threshold of 0.05 mg/kg.
Enrichment of Rotifera with Lemuru Fish Fermentation on Growth and Survival Rate of Hybrid Grouper Larvae (Epinephelus sp.) Firmansyah, Muhammad Rizki; Harlim, Renaldo Pratama; Haniah Samara, Syifania; Nurmalia Dewi, Nina
Journal of Marine and Coastal Science Vol. 14 No. 1 (2025): FEBRUARY
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jmcs.v14i1.63363

Abstract

The larvae of the cantang grouper have low survival and slow growth. Efforts to provide good larvae are by providing sufficient nutrition in feed, one of which is by enriching rotifers (Brachionus plicatilis). Rotifera is a zooplankton that contains 40% protein and 13–16% fat. The continuous supply of phytoplankton is difficult for mass production, so the fermentation of lemuru fish can be used as a solution because it contains quite high fat and protein. The purpose of this study is to determine the effect of rotifer enrichment with fermented lemuru fish on the growth and survival of cantang grouper larvae. This study used an experimental method with Completely Randomized Design with five treatments and four replications. The research parameters measured were GR (Growth Rate), SGR (Specific Growth Rate), absolute weight growth, absolute length growth, population growth, rotifer nutrient content test and water quality. The data was analyzed using ANOVA and further tests were carried out Duncan multiple range test. The application of Rotifera enriched by fermentation of lemuru fish had a significantly different effect (p<0.05) on the survival rate and larval growth of cantang grouper, as well as the increase in population and nutrient content of rotifers. The survival rate of cantang grouper larvae was 24%, the GR, SGR, absolute weight growth, and absolute length growth from this study were respectively 1.28 mg/day, 14%/day, 19.22 mg, and 1.93 mm. The growth rate of the Rotifera population increased by 31.2 ind/ml, the nutritional content of protein was 53.12%, and fat was 21.33%.The best dose concentration of enriched Rotifera with fermented lemuru fish is 800 ppm.
Food Composition of Little Tunny Euthynnus alletteratus (Rafinesque,1810) in the Marine Waters of Lattakia – Syria GALIYA, Mohamad; Eddin Laika, Hussam; Almajid, Zouher; Othman, Ranim
Journal of Marine and Coastal Science Vol. 14 No. 1 (2025): FEBRUARY
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jmcs.v14i1.65524

Abstract

The current research aims to study the diet of 275 individuals from Euthynnus alletteratus, caught in the marine waters of Lattakia Governorate for two years (19/10/2021 - 29/9/2023), using local fishing methods (gill nets, purse nets, fixed nets, and long lines). The results of the food spectrum showed a similarity in their feeding habits and behaviors, as they are carnivorous fish. The food spectrum consists of four taxonomic groups: Fish, Crustaceans, Molluscs, and Annelids. The species E. alletteratus fed on 18 food elements during the first year (2021-2022) and 28 food elements in the second year (2022-2023). Fish formed the first group, with seven species in the first year and 17 species in the second year. It is known that there were Crustaceans in 5 taxonomic groups: (Amphipoda, Decapoda, Stomatopoda, Euphausidae, Isopoda), Molluscs, and Polychaete. It has been also observed that individuals of E. alletteratus respond to seasonal changes in food availability, which reflect their adaptation ability to feed on the most abundant species in the environment. They fed on Crustaceans as their main prey in the Autumn (90%) and winter (97%), followed by fish in the Spring (67%) and Summer (69%), while Molluscs and Annelid enhanced their diet. This reflects the poor food base for fish in our marine environment.
Potential of Hairy Cockle’s (Anadara antiquata) Meat Extract as Antioxidant Compound Janitra, Hadyan; Triastuti, Juni; Sulmartiwi, Laksmi
Journal of Marine and Coastal Science Vol. 14 No. 1 (2025): FEBRUARY
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jmcs.v14i1.67252

Abstract

Free radicals are the main factor in causing cancer and the effects of other free radicals. The role of antioxidants is very important to ward off free radicals that come from outside such as exposure to air pollution and heavy metals. Potential antioxidant activity derived from animal sources is found in shellfish. It has been reported that some types of shellfish have bioactive components. The feather mussel (Anadara antiquata) is a mussel of the same genus as the blood mussel (A. granosa) so it is likely to have almost the same content, including its bioactive components. Initial research on the bioactive components of feather mussels and their activity as antioxidants has not been carried out, so it is necessary to conduct research to find out the bioactive components that have the potential to be antioxidant compounds. The purpose of this study is to determine the presence of bioactive components and antioxidant activity in feather mussel meat extract (A. antiquata). Determination of IC50 value and test of bioactive components in feather mussel meat extract using DPPH test method. The main parameter observed was the IC50 value from testing the antioxidant activity of the hairy cockle’s meat extract. The supporting parameters observed were the yield and presence of bioactive compounds from the hairy cockle’s meat extract (A. antiquata). The results showed that the yield of clam meat extract obtained was 8.57%. There are bioactive compounds in the form of alkaloid, flavonoid, steroid, and saponin in the extract of hairy cockle’s meat. The antioxidant activity of hairy cockle’s meat extract was included in the moderate category, 102.19 μg/mL.
Health Risk Assessment of Heavy Metals in Green Mussel (Perna viridis) and Oyster (Magallana bilineata) harvested in Northern Luzon, Philippines Cleah D. Benitez, Kathlene; Almagro, Allysa Ross; Jalyn S. Baldoza, Bernajocele; Bryan S. Perelonia, Karl; E. Tanyag, Bryan; Jann M. Quiambao, Jerick; M. Montojo, Ulysses
Journal of Marine and Coastal Science Vol. 14 No. 2 (2025): JUNE
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jmcs.v14i2.70052

Abstract

Bivalves are a significant global food source due to their affordability, abundance, and nutritional value. However, urbanization and tourism introduce pollutants like heavy metals particularly cadmium (Cd), lead (Pb), and mercury (Hg), raising public health concerns. Bivalve samples are collected using convenience sampling during dry and wet seasons. Environmental water samples are also collected for comparative assessment of heavy metals. Using Graphite Furnace–Atomic Absorption Spectroscopy, heavy metal concentrations in edible tissues of bivalves were analyzed. Health risk assessments, including Lifetime Average Daily Dose (LADD), Hazard Quotient (HQ), and Carcinogenic Risk (CR), were evaluated following U.S. EPA and FAO/WHO. For green mussels the Cd levels averages to 0.0071 mg/kg for both seasons. On the other hand, Cd levels of oyster averages to 0.0298 mg/kg. Both bivalves show Pb and Hg concentrations less than the method detection limits of 0.0480 and 0.0173 mg/kg, respectively. These concentrations were within regulatory limits of Cd, Pb, and Hg set by EU Regulation 2023/915, i.e., 1, 1.5, and 0.5 mg/kg, respectively. LADD did not exceed the Provisional Tolerable Daily Intake, while HQ and CR values were below the threshold value of one, indicating no associated health risks. Hence the study can be used to formulate risk management measures and public health advisories. Furthermore, the study excluded other bivalve and univalve species endemic to the growing areas which highlights the need for risk assessment monitoring to ensure food safety.
Catfish (Pangasius hypophthalmus) Skin as a Nanocollagen Source: Impact of Extraction Time and Acetic Acid Concentration with Ultrasonication Assistance Carattri, Money; Shofy Mubarak, Ahmad; Sulmartiwi, Laksmi
Journal of Marine and Coastal Science Vol. 14 No. 2 (2025): JUNE
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jmcs.v14i2.72265

Abstract

Collagen extraction with high acetic acid can affect the characterization and damage the collagen structure, which then affects the level of temperature stability in collagen, so a combination method is needed to reduce the use of acetic acid in collagen extraction. Collagen extraction with a combination method with ultrasonication is more efficient and can help with these problems. Extraction of catfish skin collagen using a combination of acetic acid concentration and ultrasonication time can accelerate collagen extraction, reduce the use of acetic acid, and improve collagen structure. The aim of this study is to assess the potential of catfish (Pangasius hypophthalmus) skin as a nano collagen source through the combination of extraction time variation and acetic acid concentration under ultrasonication treatment. This study used a completely randomized design (CRD). Preparation of catfish skin collagen using acetic acid solvents with concentrations of 0.1 M and 0.2 M with ultrasonication times of 150 minutes and 200 minutes in four treatments with three repetitions. Analysis of statistical test data using Analysis of Variance (ANOVA) followed by Tukey's test. The results of this study indicate that the combination of varying acetic acid concentrations and ultrasonication times has a significant effect (P<0.05) on the collagen yield parameters from catfish skin. The highest yield was obtained with the treatment of 0.2 M acetic acid and 200 minutes of extraction time, resulting in a wet collagen yield of 85.18% and a dried collagen yield of 1.75%. The amino acid content consisted of 23.96% glycine and 17.40% proline. These findings demonstrate that catfish skin (P. hypophthalmus) has the potential to be developed as a raw material for nanocollagen development through variations in extraction time and acetic acid concentration using the ultrasonication method.
Collagen Extraction from Red Snapper (Lutjanus malabaricus) Scales via Hydroextraction: Toward Nanocollagen Development Mayangsari, Cholivia; Mahasri, Gunanti; Shofy Mubarak, Ahmad
Journal of Marine and Coastal Science Vol. 14 No. 2 (2025): JUNE
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jmcs.v14i2.72271

Abstract

Generally, collagen is isolated using acid, base and enzymatic hydrolysis methods. However, this has the constraint of the length of time for the release of procollagen to produce collagen. Acetic acid hydrolysis combined with the hydroextraction method is one alternative to produce quality collagen. The use of acetic acid in the extraction of red snapper scales (Lutjanus malabaricus) will produce H+ ions to release procollagen in the raw material. The study aims to evaluate the potential of red snapper (L. malabaricus) scales as a collagen source through the hydroextraction method for the development of nanocollagen formulations. This study used a completely randomized design (CRD). Isolation of red snapper scales collagen using acetic acid solvent concentrations of 1 M; 1.5 M and 2 M with a hydrolysis time of 2 hours and hydroextraction for 2 hours with three repetitions. The parameters observed in this study were the proximate of collagen raw materials, collagen yield, and collagen amino acids. The data analysis results were tested statistically using Analysis of Variance (ANOVA) followed by Tukey's further test. The best result of collagen isolation from red snapper (L. malabaricus) scales was achieved using 2 M acetic acid hydrolysis combined with hydroextraction. This study demonstrated that the combination of different acetic acid concentrations with hydroextraction had a significant effect (P<0.05) on collagen yield parameters. The amino acid content consisted of 22.37% glycine and 12.45% proline. These findings indicate that red snapper (L. malabaricus) scales have the potential to be developed as a raw material for nanocollagen developments.
Formulation of Gel Peel-Off Salt Mask with a Combination Sargassum duplicatum Extract Against Propionibacterium acnes Halimatus Sa'diyah; Subekti, Sri; Amin Alamsjah, Mochammad
Journal of Marine and Coastal Science Vol. 14 No. 2 (2025): JUNE
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jmcs.v14i2.72660

Abstract

Acne is a facial skin problem that can be caused by a Propionibacterium acnes infection. A peel-off gel mask is a cosmetic product that is usually used to treat facial skin problems. Peel-off gel masks can be formulated with a mixture of natural ingredients such as salt and seaweed. Sargassum duplicatum is a type of brown seaweed that is rich in bioactive compounds such as flavonoids, terpenoids, and saponins, which can support skin beauty. The combination of salt and S. duplicatum extract can be formulated in the form of a peel-off gel mask to meet pharmaceutical requirements. The aim of this research is to determine the effect of salt concentration in each treatment and to determine the optimum salt concentration that can inhibit P. acnes in peel-off gel mask preparations with a combination of S. duplicatum extract. This research used a Completely Randomised Design (CRD) consisting of four treatments. The treatments consisted of different salt concentrations of 0%, 10%, 15%, and 20%. The parameters in this research are antibacterial effectiveness, organoleptics, and pH. Research data was analysed using Analysis of Variance (ANOVA). The research results showed that the use of salt in the peel-off gel mask formulation had an effect on the inhibition zone against P. acnes, the panellists' organoleptic acceptability, and the pH value. The antibacterial activity test showed that there was inhibitory power against P. acnes bacteria in salt concentration of 20% and an inhibition zone of 13.5 mm. The organoleptic test results showed good acceptance from the panellists for each treatment. The pH test results showed that all treatments met SNI 16-4399-1966 with an average pH value of 5.8 - 6.6.
Characterization of Chitosan Edible Film by Addition of Salt Solution as an Antibacterial Zhanifathul Abhidah, Noer Rahmah; Sulmartiwi, Laksmi; Amin Alamsjah, Mochammad
Journal of Marine and Coastal Science Vol. 14 No. 2 (2025): JUNE
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jmcs.v14i2.73018

Abstract

Edible film is a type of bioplastic in the form of a thin layer that can be consumed along with food products. It functions as a barrier to O₂ and CO₂ and helps control dissolved substances by reducing moisture, respiration, and oxidation rates without altering food components. To enhance its functionality, edible film can be fortified with active substances such as natural antimicrobials—one of which is salt, known for its ability to inhibit bacterial growth. This research is important in the development of bioplastics as it offers an environmentally friendly solution for food packaging, reducing reliance on conventional plastics and chemical preservatives. The study aims to analyze the effect of adding salt solution (0%, 2%, 4%, and 6%) on the microbiological and physical characteristics of chitosan-based edible film. Physical data were analyzed using a one-factor Completely Randomized Design (CRD), followed by ANOVA and Duncan’s Multiple Range (DMRT) tests. The results showed that chitosan edible film could inhibit Staphylococcus aureus with an inhibition zone diameter of 4.88 mm, categorized as weak antibacterial activity. The physical characteristics of the film showed significant variations, with thickness ranging from 0.062–0.074 mm, tensile strength from 1.127–1.822 MPa, and elongation from 115.7–120.3%. Overall, chitosan edible film with added salt solution met the Japanese International Standard JIS Z-1707, indicating its potential as a safer and more environmentally friendly food packaging material.Keywords: Antibacterial, edible film, salt, chitosan, quality

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