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Contact Name
Patmawati
Contact Email
patmawati@fpk.unair.ac.id
Phone
+6281331762733
Journal Mail Official
jmcs@fpk.unair.ac.id
Editorial Address
Departemen Kelautan Fakultas Perikanan dan Kelautan Unversitas Airlangga Kampus C Mulyorejo Surabaya 601115
Location
Kota surabaya,
Jawa timur
INDONESIA
Journal of Marine and Coastal Science
Published by Universitas Airlangga
ISSN : 23016159     EISSN : 25280678     DOI : http://dx.doi.org/10.20473/jmcs.v9i2.20064
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
Articles 5 Documents
Search results for , issue "Vol. 12 No. 2 (2023): JUNE" : 5 Documents clear
The Effect of Seaweed Extract (Gracilaria spp.) Towards the Freshness Quality Changes of Fresh Milkfish (Chanos chanos) During Cold Storage Putri, Chairunnisa Ramadhani; Subekti, Sri; yuli pujiastuti, dwi
Journal of Marine and Coastal Science Vol. 12 No. 2 (2023): JUNE
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jmcs.v12i2.42650

Abstract

Milkfish (Chanos chanos) is a type of fish that has high economic value and good nutrition but very easy to decay. People often use formaldehyde and preservatives synthesis of the other so that the fish is not quickly decay. Natural ingredients containing antibacterial compounds, one of which is Gracilaria spp, can be used as an alternative as a natural preservative. This study aims to determine the influence of seaweed extract (Gracilaria spp.) to change the freshness quality of the fish, milkfish (Chanos chanos) during cold storage. The design in this research is Completely Randomized Design (CRD) with four replications and two factors, the first factor is the concentration of seaweed extract 700, 600, 500 ppm, and control (without soaking). The second factor is the length of storage time for 0, 3, and 6 days. Analysis of data using Analysis of Variance (ANOVA) and continued with the Duncan's Multiple Distance Test to determine differences between treatments. The results showed that the extract of seaweed (Gracilaria spp.) at a concentration of 500 ppm, 600 ppm, and 700 ppm during cold storage significantly effect (p<0.05) to changes in the quality of freshness of the fish, milkfish (Chanos chanos). The best treatment was at a concentration of 700 ppm. Gracilaria spp extract solution with a concentration of 700 ppm can be used as an antibacterial and to maintain the fresh quality of milkfish based on the total number of bacteria, organoleptic tests and pH tests.
Bacteria Detection Salmonella sp. in Fish Meatball Products Sold in Some Traditional Markets in Surabaya Permata Jelita, Chelsea; Mahasri, Gunanti; saputra, Eka
Journal of Marine and Coastal Science Vol. 12 No. 2 (2023): JUNE
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jmcs.v12i2.44921

Abstract

Fish meatballs are processed fishery products that use minced fish meat or surimi of at least 40% mixed with flour, and other ingredients if needed, which undergo formation and cooking. In general, fish meat used is for example snapper, grouper and mackerel. This study aims to determine the detection of Salmonella sp. bacteria, fish balls sold in several traditional markets in the city of Surabaya and the calculation of Total Plate Count of processed fish balls circulating in several traditional markets in Surabaya. The research method used is a direct survey for sampling. The sampling location of fish balls was done intentionally or purposive sampling method. Analysis of the data to determine the Total Plate Count of Salmonella sp. bacteria in fish balls in several traditional markets in Surabaya, which is displayedin tabular form. The results showed that the detection of Salmonella sp. bacteria was positive in two samples out of a total of 10 samples. The results of the Total Plate Count (TPC) test for Salmonella sp. in the two different samples in the same area of West Surabaya, it was 2x105 CFU/gr for the first sample and 1x103 CFU/gr for the second sample.
Pre-treatment of Lobster Shell Using Hydrochloric Acid for Nanochitosan Production Safrina, Dyah; Ulfa Safitri, Anisa; Suptijah, Pipih; Fariz Pari, Rizfi
Journal of Marine and Coastal Science Vol. 12 No. 2 (2023): JUNE
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jmcs.v12i2.45883

Abstract

Lobster shells are a by-product that can be used as a raw material for making chitin and chitosan. However, lobster shells contain a high amount of minerals that cover the chitin polymer on the shell. This chitin can be converted into chitosan by deacetylation process. Efforts that can be made to increase the efficiency of the chitosan extraction process from lobster shells are by pre-treatment using hydrochloric acid. The purpose of this study was to determine the pre-treatment time of lobster shells with hydrochloric acid and to produce nanochitosan from lobster shells. The results of this study indicate that the pretreatment time has a significant effect on the yield value of chitosan. The highest yield of chitosan was produced from the acid pre-treatment with a soaking time of 120 hours with a value of 15,6%. The quality of lobster chitosan from the best treatment has met the quality requirements based on SNI. Nanochitosan was successfully synthesized by ionic gelation method with a particle size of 357,76 nm and spherical shape based on SEM photos. Lobster nanochitosan has the potential to be applied in various fields, such as food, agriculture,and biomedical.
Analysis of Fish Consumption Pattern of People in Jombang District, East Java, during Pandemic and Endemic Covid-19 Rahmawati, Rahmawati; Sanjaya, Yushinta Aristina; Asih, Sri Alam Syah Lihan Candra; Putri, Ardita; Putri, Rinjani Eko; Ayuningtyas, Diella Trisna; Mulyani, Dwi
Journal of Marine and Coastal Science Vol. 12 No. 2 (2023): JUNE
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jmcs.v12i2.45924

Abstract

Fishery resources are a good source of food for human health. The fisheries sector plays a role in food security, not only as a complement but also plays a role in fulfilling food, nutrition, and protein sources, as well as people's income. Food security is closely related to the continuity of fish supply to meet people's needs. In this study the method used was survey method with the type of research used was descriptive research with a quantitative approach and data collection techniques in this study by conducting a survey using a questionnaire. The low consumption of fish in the community is caused by a lack of public knowledge about information on the nutritional content and benefits of consuming fish. The survey results stated that 89.3% of the respondents already knew the benefits of fish and the remaining 10.7% did not know the benefits of fish. As much as 85.4% of the people of Jombang District, East Java, get fish by buying it themselves at traditional markets with 80.6% liking fresh fish products and 19.4% liking processed fish products. As many as 79.6% of the people of Jombang District, East Java consider the quality of fish before buying fish; 45.6% stated that the ease of obtaining fish was their consideration in buying fish; and 50.5% stated price as their consideration in buying fish. As many as 83.5% of respondents stated that there was no difference in fish consumption patterns before and after the pandemic era. After the pandemic, people's frquency in consuming fish has increased, although not significantly. This is possibly due to the start of a sense of public awareness of the body's nutritional needs after the pandemic era.
Potency of Cellulolytic Bacteria in Ulva lactuca from Ujung Genteng Beach, Sukabumi, Indonesia Pari, Rizfi Fariz; Hardiningtyas, Safrina Dyah; Supraba, Ranula
Journal of Marine and Coastal Science Vol. 12 No. 2 (2023): JUNE
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jmcs.v12i2.46102

Abstract

Fishery Ulva lactuca is a potential green seaweed species that causes green tides and has not been utilized. U. lactuca has the potency to attract cellulolytic bacteria due to its high carbohydrate content. U. lactuca is commonly found on the southern seacoast of Java Island, one of which is Ujung Genteng Beach, Sukabumi, Indonesia. In this research, we investigated the potential of cellulolytic bacteria from U. lactuca. Sources of bacteria are coming from the environment, the surface of the seaweed, and inside the seaweed (endophytes). To be able to determine the origin of the potential bacteria, the total plate count (TPC) was calculated with treatment without washing, washing with distilled water, and washing with a combination of distilled water and alcohol. From these bacteria, cellulolytic activity was tested using CMC media and morphological characterization. The most bacteria were found in the treatment without washing, as much as 7.48 Log Cfu/ml. The washing process reduced the TPC to 5.88 and 5.7 Log Cfu/ml in the treatment of washing with distilled water and washing with a combination of distilled water and alcohol, so that endophytic bacteria were obtained. The bacterial isolate with the highest cellulolytic potential was UW 1(1)1 5A1 from the non-washing treatment with a cellulolytic index of 2.25. These Gram-positive bacteria were in the form of filamentous lobates with a matte cream color with cocci-shaped cells. Meanwhile, the potential endophytic bacteria were Gram-positive coccus bacteria UW 3(1)1.2 with a cellulolytic index of 0.85. Both isolates have the potency to degrade cellulose.

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