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INDONESIA
Squalen Bulletin of Marine and Fisheries Postharvest and Biotechnology
ISSN : 20895690     EISSN : 24069272     DOI : -
Squalen publishes original and innovative research to provide readers with the latest research, knowledge, emerging technologies, postharvest, processing and preservation, food safety and environment, biotechnology and bio-discovery of marine and fisheries. The key focus of the research should be on marine and fishery and the manuscript should include a fundamental discussion of the research findings and their significance. Manuscripts that simply report data without providing a detailed interpretation of the results are unlikely to be accepted for publication in the journal.
Arjuna Subject : -
Articles 5 Documents
Search results for , issue "Vol 7, No 2 (2012): August 2012" : 5 Documents clear
IDENTIFICATION AND CULTIVATION OF MFW 23-08 ISOLATED FROM MARINE SPONGES FOR BIOACTIVE COMPOUND PRODUCTION Chasanah, Ekowati; Pratitis, Asri; Mangunwardoyo, Wibowo
Squalen, Buletin Pascapanen dan Bioteknologi Kelautan dan Perikanan Vol 7, No 2 (2012): August 2012
Publisher : Research and Development Center for Marine and Fisheries Product Processing and Biotechnol

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/squalen.v7i2.16

Abstract

Production of marine bioactive compound for commercial usage has been hampered due tothe problem of raw material supply. To overcome this, marine microbes especially those associatedwith the bioactive-compound producer biota, has been explored as bioactive sources, with severaladvantages such as shorter production time, cheaper production cost and avoiding over exploitationof marine biota sources. Previous research showed that fungi MFW 23-08 was one of the potentialisolates from Wakatobi sponges which produced bioactive compounds that was active againstbreast cancer cell line and as antioxidant. This study was intended to identify MFW 23-08 andoptimize the production of its bioactive compound through optimization of MFW 23-08 culture.Culture optimization was conducted using 3 liquid media, i.e. malt extract broth (MEB), glucosepeptone yeast (GPY), and minimal fungal media (MFM), and cultivation periods, i.e. 2, 4, 6, 8, and10 wk. Results revealed that MFW 23-08 crude extract of 2 wk-MFM cultivation, at the concentrationof 30 μg/ml, was able to retard 87% breast cancer (T47D) cell growth. While at concentration of100 μg/ml, the 6 wk. MEB cultivated extract was able to hamper free radicals (56%). However, thecrude extract from MFM media cultivation, in the concentration of 50 and 100 μg/ml was not able toinhibit Escherichia coli and Staphylococcus aureus growth. Based on molecular identificationusing ITS1-ITS4 primers, MFW 23-08 isolate was 99% similar to  Penicillium citrinum, P.griseofolvum and Penicillium  sp.
MICROBIOLOGICAL RISK ASSESSMENT OF FISHERY PRODUCT IN INDONESIA: A PROPOSED MODEL FOR THE RISK OF Vibrio parahaemolyticus IN SHRIMP Novalia Rachmawati; Radestya Triwibowo
Squalen, Buletin Pascapanen dan Bioteknologi Kelautan dan Perikanan Vol 7, No 2 (2012): August 2012
Publisher : Research and Development Center for Marine and Fisheries Product Processing and Biotechnol

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/squalen.v7i2.20

Abstract

Increasing fish consumption value should be supported by enhancing the safety and quality offish products. Microbiological level is most of importance since every food contains microorganismswhich could multiplicate due to temperature abuse and time delay during handling and processing.Risk assessment is a structurally and scientifically based approach aimed to protect consumerfrom risk (hazard) particularly microbiological hazard when consuming certain food. Microbiologicalrisk assessment of fishery products have not been structurally developed in Indonesia, eventhoughseveral initial data on hazard identification have been available. As an attempt to build an integratedrisk assessment, a model for microbiological risk of pathogenic  Vibrio parahaemolyticus inshrimp will be proposed in this article. The available data could be used as a starting point whileother required data could be collected in collaboration with other related institutions.
THE USE OF CHEMICAL ADDITIVES FOR FISHERIES PRODUCT PRESERVATION Mr Syamdidi
Squalen, Buletin Pascapanen dan Bioteknologi Kelautan dan Perikanan Vol 7, No 2 (2012): August 2012
Publisher : Research and Development Center for Marine and Fisheries Product Processing and Biotechnol

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/squalen.v7i2.18

Abstract

Preservation  is  a  common  practice  in  processed  food products  including  fisheries  product.The purpose of preservation in food  is not only maintain the quality of  food but also to prolong theshelf  life  of  food  itself. Preservatives  can be  divided  into  two  groups  i.e.  natural  and chemicalpreservatives.  The  chemical  preservatives  potentially used  in  fishery  industry  are  nitrite,  sulfurdioxide,  benzoic acid  and,  sorbic  acid.  These  preservatives  have  their  own characteristics  oninhibition of microorganisms. Food characteristic such  as  pH, and aw are  the  key  factors on theactivity of antimicrobial agent.
AN EMERGING MARINE BIOTECHNOLOGY: MARINE DRUG DISCOVERY Nurrahmi Dewi Fajarningsih
Squalen, Buletin Pascapanen dan Bioteknologi Kelautan dan Perikanan Vol 7, No 2 (2012): August 2012
Publisher : Research and Development Center for Marine and Fisheries Product Processing and Biotechnol

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/squalen.v7i2.19

Abstract

Marine natural resources offer an opportunity to discover a novel chemical diversity withinterest ing pharmacologically active compounds to treat many diseases such as cancer,inflammation, bacterial and parasitic infections, and many other diseases. Marine drug discoveryis a rising area in marine biotechnology. Several hits of marine-derived drug compounds wereapproved; two of them are Ziconotide and Trabectedin. In 2004, Ziconotide was approved as paintreatment drugs in the United States and Europe. Then, in 2007, Trabectedin was also approvedas anticancer drug in Europe. The main problem in marine drug discovery research is materialsupply problem. Up till now, strategies to overcome the problem are “Pharmaceutical aquaculture”of biologically active marine biota and chemical synthesis approach. Chemical synthesis approachis feasible solution to be used, especially when working with less complex structure of compounds.However, when working with structurally complex compounds where total or even semi synthesiswas very difficult to be provided, aquaculture can be a solution. Currently, the use of microbiology,biochemistry, genetic, bioinformatics, genomic and meta-genomic has been intensifying in orderto have a better result in marine natural product drug discovery. As chemical synthesis needs anexpensive investment of advanced technology and highly skilled human resources, thuspharmaceutical aquaculture is more practicable to overcome the material supply insufficiency inIndonesia. Up till now, many Indonesian marine bioprospectors have been working with culturablemarine microorganism to produce bioactive compounds and some others starting to work withgenomic and metagenomic-based drug discovery.
DEVELOPMENT OF REAL TIME POLYMERASE CHAIN REACTION FOR DETECTION OF Salmonella typhimurium AND Salmonella enteritidis IN FISH Tuti Hartati Siregar; Jennifer Elliman; Leigh Owens
Squalen, Buletin Pascapanen dan Bioteknologi Kelautan dan Perikanan Vol 7, No 2 (2012): August 2012
Publisher : Research and Development Center for Marine and Fisheries Product Processing and Biotechnol

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/squalen.v7i2.21

Abstract

Previously designed endpoint PCR has been adapted for use with real time PCR to detect the presence of Salmonella typhimurium and Salmonella enteritidis  in fish. Optimization of a standard curve in the presence of herring sperm DNA as background matrix indicated that the real time PCR highly efficient with the Pearson coefficient of determination (R2) value = 0.99937 and slope (M) value = -3.44. An enrichment method (overnight culture) significantly increased (p0.05) the sensitivity of real time PCR. Comparison of real time PCR and the conventional isolation method based on biochemical tests has been conducted. In terms of their sensitivity, real time PCR and the conventional methods are not significantly different in the level of confidence 95%. Both real time PCR with enrichment method and conventional biochemical method can detect the presence of Salmonella spp. in spiked sample. However the direct extraction method was only detecting the presence of Salmonella in higher concentration. While the sensitivity both conventional and real time PCR are similar, the real time PCR has an advantage to detect the pathogen qualitatively and quantitatively depending on processing method.

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