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All Journal Jurnal Penelitian Perikanan Indonesia Journal of Marine and Coastal Science
Fransisca, Fida
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science Immunology & microbiology

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ANALISIS MUTU IKAN TEMBANG (Sardinella fimbriata) DI TEMPAT PELELANGAN IKAN (TPI) BULU, UPT PPP BULU, TUBAN, JAWA TIMUR Fransisca, Fida; Isroni, Wahyu; Sahidu, Adriana Monica
Jurnal Penelitian Perikanan Indonesia Vol 29, No 3 (2023): (September) 2023
Publisher : Politeknik Kelautan dan Perikanan Karawang, BRSDM KP.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/jppi.29.3.2023.%p

Abstract

Tembang fish (Sardinella fimbriata) is the dominant and economical fish catch at Technical Unit of Bulu Coastal Fisheries Port (CFP) and is delivered to Bulu Fish Auction Site (FAS) or known as TPI Bulu. Tembang fish has perishable food characteristics, so it is necessary to improve the quality of freshly caught fish by maximising handling methods, facilities, and sanitary hygiene. Fishermen in TPI Bulu still rarely apply cold chain to maintain fish quality and some use formalin because it is easily available and cheap. This study aims to determine the quality of tembang fish at TPI Bulu. Testing parameters include organoleptic test, pH test, TPC test, and formalin test. The results of the research on 90 tembang fish samples obtained an average organoleptic value of 7.00 and pH 6.16. The formalin test results were 32 samples (35.6%) positive for formalin and 58 samples (64.4%) negative for formalin. The average TPC test result was 4.7 x 105 CFU/gr. The results of the inspection of Good Fish Handling Methods (GFHM) 30% of the criteria were fulfilled and 70% of the criteria were not fulfilled.
Antioxidant Activity of Gracilaria verrucosa Extract in Body Lotion Formulation Fransisca, Fida; Mubarak, Ahmad Shofy; Mahasri, Gunanti
Journal of Marine and Coastal Science Vol. 15 No. 1 (2026): FEBRUARY
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jmcs.v15i1.84713

Abstract

Indonesia has a tropical climate with high year-round solar exposure, which increases the risk of oxidative stress and premature skin aging caused by ultraviolet radiation. Red seaweed Gracilaria verrucosa is known to contain bioactive compounds with potential antioxidant properties; however, its application as a substitute for synthetic antioxidants in cosmetic formulations remains limited. This study aimed to evaluate the antioxidant activity of G. verrucosa extract and its potential as an alternative to Butylated Hydroxytoluene (BHT) in body lotion formulations. Extraction was performed using 96% ethanol through maceration for 48 hours, resulting in an extract yield of 2.47%. The study employed an experimental method with a Completely Randomized Design consisting of five treatments, including a control without antioxidants (K0), BHT 0.1%, and G. verrucosa extract at concentrations of 3%, 5%, and 7%, with four replications. Phytochemical screening revealed the presence of alkaloids, flavonoids, saponins, phenolics, and steroids, while tannins were not detected. The IC₅₀ value of G. verrucosa extract was 63.57 ppm, indicating strong antioxidant activity. The IC₅₀ values of body lotion formulations were 1,266 ppm (K0), 137.77 ppm (BHT 0.1%), 175.95 ppm (EGV 3%), 131.82 ppm (EGV 5%), and 106.17 ppm (EGV 7%). The incorporation of G. verrucosa extract into body lotion exhibited antioxidant activity comparable to or higher than that of BHT 0.1%, indicating its potential as a safe and sustainable natural antioxidant for marine-based cosmetic formulations.
Co-Authors A. Shofy Mubarak Adriana Monica Sahidu Gunanti Mahasri Isroni, Wahyu