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Patmawati
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Departemen Kelautan Fakultas Perikanan dan Kelautan Unversitas Airlangga Kampus C Mulyorejo Surabaya 601115
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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. 11 No. 3 (2022): SEPTEMBER" : 5 Documents clear
Determination and Application of Critical Control Points on Ebi Fry Production (Value Added Product) at PT. Jala Sembilan Semarang, Central Java Revanda Rizky Putraisya; Juni Triastuti
Journal of Marine and Coastal Science Vol. 11 No. 3 (2022): SEPTEMBER
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jmcs.v11i3.28674

Abstract

Java. The quality of ebi fry products is largely determined by the quality management of the company, one of it is the determination and application of the Critical Control Point (CCP). The purpose of this study is to determine the determination of CCP and the problems that occur in the application of CCP in the production of ebi fry at PT. Jala Sembilan Semarang, Central Java. This Field Work Practice is carried out at PT. Jala Sembilan which is located at Jalan Tugu Industri IV No. 3, Randu Garut, Tugu District, Semarang City, Central Java on December 30, 2019 to January 23, 2020. The working method used is a descriptive method with data collection including primary data and secondary data. Data collection can be done by means of active participation, observation, interviews, and literature review. Determination of CCP is done after analyzing the hazards in each production process flow. Ebi fry production at PT. Jala Sembilan has 2 CCPs, namely on package receiving and metal detecting. The application of CCP on the receipt of ebi fry packaging has been carried out by checking allergen labels. The application of CCP in metal detecting has encountered problems, namely the metal detector machine that has interference and is not sensitive so that every time the product is passed the alarm is always on.
Antibacterial Activity of Phyllophorus sp. Methanol Crude Extract on Vibrio alginolyticus and Vibrio harveyi Sapto Andriyono; Tatak Dwi Cahyono; Endang Dewi Masithah
Journal of Marine and Coastal Science Vol. 11 No. 3 (2022): SEPTEMBER
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jmcs.v11i3.37722

Abstract

Utilization of natural materials sourced from the sea is very promising. These natural ingredients can function as antibacterials that are useful in a number of fields. This study aims to explore the extract of sea cucumber Phylloporus sp. as an antibacterial agent for Vibrio alginoliticus and Vibrio harveyi. The diffusion method was carried out with three treatments of sea cucumber extract starting at doses of 500, 1000 and 1500 mg/L with three replications for each treatment. Positive control was antibiotic Chloramphenicol 100 mg/ml (0.01%) and negative control with dimethylsulfoxide (DMSO) 10%. The test results showed that sea cucumber extract was able to inhibit both types of bacteria, visible from the inhibition zone formed. In Vibrio alginoliticus bacteria, the average inhibition zone formed was 0.433 ± 0.0288. In bacteria, Vibrio harveyii was inhibited by sea cucumber extract with an average inhibition zone of 0.516 ± 0.104. Inhibition zone of sea cucumber extract Phylloporus sp. lower than Chloramphenicol which is a commercial antibacterial.
Influence of Brewing Time and Temperature on Antioxidant Activity of Pedada (Sonneratia caseolaris) Fruit Peel Extract as a Potential Functional Drink Muhammad Fauzan; Laksmi Sulmartiwi; Eka Saputra
Journal of Marine and Coastal Science Vol. 11 No. 3 (2022): SEPTEMBER
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jmcs.v11i3.38260

Abstract

Pedada (Sonneratia caseolaris) are plants that live in the mangrove ecosystem. The fruit of the pedada plant is round, has stemmed tip, base is wrapped by petal, non-toxic and edible. The flesh of the pedada fruit is used as syrup, but the peel is considered as waste. On the other hand, pedada fruit peel contains antioxidant activity compound, such as phenol, tannin, and flavonoid. A way to process the pedada fruit skin into a functional drink is required so that it has economic value. The purpose of this study was to determine the effect of different brewing temperatures and duration on the antioxidant activity of pedada (Sonneratia caseolaris) peels extract. The research method used was experimental with Factorial Completely Randomized Design (CRD) as the experimental design. The factors used are temperature (70○C, 85○C, and 100○C) and time (5, 10, and 15 minutes) with 3 replications. The main parameter observed was the extract’s antioxidant activity. Supporting parameters observed were water content, total phenolic content, and antioxidant activity of pedada fruit peel. Data analysis used was Two Way Analysis of Variance (Anova) and followed by Honest Significantly Difference (HSD) by 5%.The results showed that the increase in temperature and duration increased the antioxidant activity of the pedada fruit peel extract. The best treatment was obtained by 100○C treatment for 10 minutes which was not significantly different from 100○C treatment for 5 minutes and 85○C for 15 minutes. In addition, there was an increase in antioxidant activity of 12,10% from the best treatment compared to the control treatment.
Application of Modified Starch on Carrageenan-Based Bioplastic’s Cup From Eucheuma cottonii on Biodegradability and Water Resistance Teprin Ani Triani; Mochammad Amin Alamsjah; Dwi Yuli Pujiastuti
Journal of Marine and Coastal Science Vol. 11 No. 3 (2022): SEPTEMBER
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jmcs.v11i3.38285

Abstract

Polysaccharides from carrageenan have potential as bioplastics that is resistance to waters (hydrophobic), alsocan be improved by using modified starch. Modified starch is a material that can reduce the hydrophilic properties of bioplastics. The objectives of this study were to determine the effect of modified starch application on carrageenan-based bioplastic’s cup on biodegradability and water resistance and to determine the best bioplastic formulation for biodegradability and water resistance. This study was conducted using experimental methods in the biodegradation test and the resistance or swelling test. The experimental method in this study used a completely randomized design (CRD) at a significance level of 5% (α = 0.05). The results of this study indicate that the addition of high modified starch can increase the water resistance of bioplastics but the addition of high modified starch will result in slower biodegradability.        
Antibacterial Activity of Crude Extract Red Algae Eucheuma spinosum Against Staphylococcus epidermidis Bacteria Growth Nindhita Yusvantika; Rahayu Kusdarwati; Laksmi Sulmartiwi
Journal of Marine and Coastal Science Vol. 11 No. 3 (2022): SEPTEMBER
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jmcs.v11i3.38286

Abstract

The use of seaweed (Eucheuma spinosum) as a source of bioactive ingredients from algae has not been widely carried out, even though it has secondary metabolites that are thought to have antibacterial activity. The purpose of this study was to determine the inhibitory activity of the crude extract of red algae E. spinosum on the growth of Staphyloccus epidermidis bacteria in vitro. The working method used is an experimental and qualitative research design. Extraction of E. spinosum used maceration with 96% ethanol solvent and evaporated using a rotary evaporator to obtain a crude extract yield of 1.54%. The phytochemical screening test used thin layer chromatography and precipitation tests. The results of phytochemical screening showed that crude extract of Eucheuma spinosum contained alkaloids, flavonoids, terpenoids and saponins. These compounds are thought to have the potential to have antibacterial activity. The antibacterial test was based on a comparative study of the literature using the disc diffusion method (Kirby-Bauer test) with a positive control of Clindamycin 10μl/ml and a negative control of distilled water. Comparison of the literature on the results of the antibacterial activity test is thought to be effective for treating acne-causing bacteria, namely Staphylococcus epidermidis with an average inhibition of 26.5 mm (30 μl). The antibacterial activity is because seaweed contains secondary metabolites such as flavonoids, alkaloids, terpenoids, and saponins. The need for herbal therapy to treat diseases caused by Staphylococcus epidermidis bacteria to reduce bacterial resistance to antibiotics.

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