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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
 1 
Search results for , issue "Vol. 13 No. 2 (2024): JUNE" : 5 Documents clear
Effect of Iota Carrageenan Addition on Physical, Chemical, and Hedonic Properties of Dumpling (Siomay) Skin Widyaningrum, Ratna; Saputra, Eka; Sulmartiwi, Laksmi
Journal of Marine and Coastal Science Vol. 13 No. 2 (2024): JUNE
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jmcs.v13i2.49916

Abstract

Dumpling skin is a processed food that is commonly used as a wrapper in the process of making dumplings or other processed foods. Generally, dumpling skins that are sold in the market are easily torn when processed. On the other hand, carrageenan has been widely used in the food industry as an emulsifier and gelling agent. This study aims to determine the effect of adding carrageenan to the physical, chemical and hedonic properties of siomay dumpling skin. This study used an experimental method and a completely randomized design (CRD) with four treatments and five replications. The results showed that the P0 treatment (without carrageenan) had the best hardness (4247%), springiness (12.03%), gumminess (3.85%), chewiness (3.33%), resilience (2.05%) compared to treat with the addition of carrageenan. Meanwhile, the best viscosity in P3 (addition of 70 g carrageenan) was 38.77%, and cohesiveness in treatment P2 (50 g carrageenan) was 0.94%). The treatment without the addition of carrageenan (P0) had a water content of 27.48%, carbohydrates (63.8%), and fiber 0.52%. Treatment P3 (carrageenan 70 g) had a protein content of 5.77% and fat of 1.35%. Meanwhile, treatment P1 (30 g carrageenan) had an ash content of 2.16%. The results of hedonic analysis showed that treatment P2 (50 g carrageenan) had the best appearance value of 6.25. The best aroma and taste in the treatment without the addition of carrageenan were 6.16 and 6.07 respectively. Meanwhile, the best texture of 6.14 was found in treatments P1 (30 g carrageenan) and P2 (50 g carrageenan).
The Effect of Adding Lindur Flour (Bruguiera gymnorrhiza) on Chemical Characteristic and Acceptability of Patin (Pangasius sp.) Basreng Zhenilla Mustika Berliana; Dewi Masithah, Endang; Nirmala, Dwitha
Journal of Marine and Coastal Science Vol. 13 No. 2 (2024): JUNE
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jmcs.v13i2.51323

Abstract

Fried fish balls (basreng) are a type of product modified through two processing processes, namely boiling and frying. Frying process can have an impact on health due to high oil absorption resulting in high fat content values. This can be overcome by providing low-fat ingredients, namely lindur fruit flour. Lindur fruit flour tends to have a high starch content, namely in the hydroxyl group. The presence of hydroxyl groups is able to bind the water content of the dough, thereby reducing water evaporation which can form product pores when frying. Binding water to the dough reduces excessive oil absorption in the product. This study was conducted to determine the effect of lindur flour (Bruguiera gymnorrhiza) on chemical characteristic and acceptability of patin (Pangasius sp.). The treatment used in this study was the addition of 0%, 5%, 10%, dan 15% lindur fruit flour in the fish basreng. The parameters in this study are proximate content test and organoleptic test. The results showed that the addition of lindur fruit flour (Bruguiera gymnorrhiza) made a significant difference in the resulting basreng products. Patin basreng was the addition of 5% lindur fruit flour (Bruguiera gymnorrhiza) is the best patin basreng by the nutrient content and dan is the most preferred treatment by the panelis. Patin basreng was the addition of 5% lindur fruit flour (Bruguiera gymnorrhiza) has nutritional component 44,91% water; 1,78% ash; 8,27% protein; 8,11% fat; and 36,92% carbohydrate.
Growth and Development of Stadia Artemia salina in Culture with Different Concentration of Bran Suspension Cahyani Prasetyawati, Fatimah; Shofy Mubarak, Ahmad; Setya Rahardja, Boedi
Journal of Marine and Coastal Science Vol. 13 No. 2 (2024): JUNE
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jmcs.v13i2.52455

Abstract

The annual need for Artemia in Indonesia reaches 40-60 tons, but up to now 100% of this need is still imported. Various efforts have been made to produce Artemia cysts, but the main obstacle in cultivating Artemia to produce cysts is the availability of natural food, namely phytoplankton which can survive in high salinity. The use of organic materials such as bran can be a solution for feeding and can increase the density of Artemia, but excessive use of bran suspension in Artemia cultivation ponds can trigger a decrease in the quality of the water for the growth of Artemia. This research was conducted to determine the optimal concentration of bran feed for the growth and development of Artemia salina without compromising the water quality of the cultivation. The Artemia feed used in this study was a bran suspension enriched with lemuru fish oil (12 ml/L bran suspension). The bran feed concentration treatments in this study were 5 treatments sequentially, namely P1 to P5 with feed concentrations of 11, 18, 26.34, and 41 mg/L. Artemia salina cultivation in this study was carried out at an initial density of 50 ind/L with a salinity of 30 pptl. The research results showed that cultivating Artemia salina using bran suspension feed with different concentrations had an effect on the growth and development of Artemia salina. The best growth and development of Artemia results from cultivation using bran suspension feed with a concentration of 41 mg/L.
Optimal N/P Ratio of the Shrimp Culture Waste Fertilizer For Growth Rate of Spirulina platensis Widigdo, Syafrianur; Shofy Mubarak, Ahmad; Nurmalia Dewi, Nina
Journal of Marine and Coastal Science Vol. 13 No. 2 (2024): JUNE
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jmcs.v13i2.52460

Abstract

The cultivation of vaname shrimp produces waste with a high nutrient content. This waste can be used as fertilizer in microalgae culture like Sprulina platensis. However, the N / P ratio in shrimp culture waste is low, namely 5.5: 1, while the need for growth of blue-green algae ranges from 10:1 - 16:1. Therefore, it is necessary to regulate the N: P ratio in shrimp culture waste to match the needs of S. platensis. The purpose of this study was to determine the effect of different N / P ratios on shrimp culture waste fertilizer on the growth of S. plantesis. This study used a Completely Randomized Design (CRD) which was divided into 6 treatments with 3 replications, as P0: Walne fertilizer (N / P ratio 17: 1), P1: shrimp culture waste fertilizer enriched with urea (N / P ratio 5,5: 1), P2 with N/P ratio of 10.5: 1, P3 with N/P ratio of 15.5: 1, P4 with N/P ratio of 20.5: 1 and P5 with N/P ratio 25.5: 1. The parameters observed were density and growth rate of S. platensis and water quality namely: temperature, salinity, and pH. The data obtained were processed using Analysis of Variance (ANOVA) and continued with Duncan's multiple range test. The results of this study indicate that the application of shrimp culture waste fertilizer with different N/P ratios affect the population and growth rate of S. platensis. Shrimp culture waste fertilizer with a N: P ratio of 15.5: 1 (P3) is the best treatment for the growth of S. platensis because it produces the highest population and growth rate compared to the other treatments.
Bioaccumulation of Heavy Metals Lead, Copper, and Zinc in Mangrove Roots Avicennia marina, Water, and Sediment in Panceng Waters, Gresik, Jawa Timur Diyah Retnosari, Fenny; Andriyono, Sapto; Nurmalia Dewi, Nina
Journal of Marine and Coastal Science Vol. 13 No. 2 (2024): JUNE
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jmcs.v13i2.52524

Abstract

Panceng water is a coastal area that has quite a lot of activities, and this can trigger an increase in waste pollution. This polluting waste can cause an increase in the bioaccumulation of heavy metals in waters. Therefore, this research aims to obtain information on environmental management monitoring activities, such as water quality conditions by determining the concentration of heavy metals Pb, Cu and Zn in the roots of the Avicennia marina mangrove, water and sediment in Panceng Waters, Gresik. The method used was observation, examination of the heavy metals Pb, Cu, and Zn using ICP-MS, and the data was analyzed using quantitative descriptive methods. The results of the analysis of the concentration of the heavy metal Pb in the roots of the mangrove averaged 0.3 mg/kg, Cu 1.205 mg/kg and Zn 0.14 mg/kg. The concentration of heavy metals Pb in sediment was 5.49 mg/kg, Cu 15.7 mg/kg, and Zn 30.6 mg/kg. Meanwhile, the concentration of heavy metals Pb, Cu and Zn in sea water was not detected (ND). Overall water and sediment are still below the threshold. However, the concentration of heavy metals in the roots of the A. marina mangrove is relatively high, above the quality standards of Minister of Environment Decree No. 22 of 2021. Calculation of the level of heavy metal pollution based on Enrichment Factor (EF), Geo-Accmulation Index (Igeo) and Contamination factor (CF) values shows that the heavy metals Pb, Cu and Zn indicate levels of pollution and contamination that are still low to moderate. The Bio Concentration Factor (BCF) of A. marina in Panceng Waters, Gresik is included in the excluder category (BCF<1). The results of this research indicate that the A. marina mangrove can be developed as a phytoremediation agent because it is able to absorb and transfer heavy metals from the environment to other body tissues.

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